1340 lines
70 KiB
C++
1340 lines
70 KiB
C++
//*************************************************************************
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// Lattice Boltzmann Simulator for Single Phase Flow in Porous Media
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// James E. McCLure
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//*************************************************************************
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#include <stdio.h>
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#include <iostream>
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#include <fstream>
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#include <string.h>
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#include <mpi.h>
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#include <stdlib.h>
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using namespace std;
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//*************************************************************************
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// MRT implementation of the LBM using CUDA
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//*************************************************************************
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//*************************************************************************
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//*************************************************************************
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extern "C" void dvc_AllocateDeviceMemory(void** address, size_t size);
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//*************************************************************************
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extern "C" void dvc_CopyToDevice(void* dest, void* source, size_t size);
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//*************************************************************************
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extern "C" void dvc_Barrier();
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//*************************************************************************
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extern "C" void dvc_InitD3Q19(int nblocks, int nthreads, int S, char *ID,
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double *f_even, double *f_odd, int Nx, int Ny, int Nz);
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//*************************************************************************
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extern "C" void dvc_SwapD3Q19( int nblocks, int nthreads, int S,
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char *ID, double *f_even, double *f_odd, int Nx, int Ny, int Nz);
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//*************************************************************************
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extern "C" void dvc_MRT( int nblocks, int nthreads, int S,
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char *ID, double *f_even, double *f_odd, double rlxA, double rlxB,
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double Fx, double Fy, double Fz, int Nx, int Ny, int Nz);
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//*************************************************************************
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extern "C" void dvc_PackDist(int grid, int threads, int q, int *SendList, int start,
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int sendCount, double *sendbuf, double *Dist, int N);
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//*************************************************************************
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extern "C" void dvc_UnpackDist(int grid, int threads, int q, int Cqx, int Cqy, int Cqz, int *RecvList, int start,
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int recvCount, double *recvbuf, double *Dist, int Nx, int Ny, int Nz);
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//*************************************************************************
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inline void PackID(int *list, int count, char *sendbuf, char *ID){
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// Fill in the phase ID values from neighboring processors
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// This packs up the values that need to be sent from one processor to another
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int idx,n;
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for (idx=0; idx<count; idx++){
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n = list[idx];
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sendbuf[idx] = ID[n];
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}
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}
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//*************************************************************************
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inline void UnpackID(int *list, int count, char *recvbuf, char *ID){
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// Fill in the phase ID values from neighboring processors
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// This unpacks the values once they have been recieved from neighbors
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int idx,n;
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for (idx=0; idx<count; idx++){
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n = list[idx];
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ID[n] = recvbuf[idx];
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}
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}
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//*************************************************************************
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int main(int argc, char **argv)
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{
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//*****************************************
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// ***** MPI STUFF ****************
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//*****************************************
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// Initialize MPI
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int rank,nprocs;
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MPI_Init(&argc,&argv);
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MPI_Comm comm = MPI_COMM_WORLD;
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MPI_Comm_rank(comm,&rank);
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MPI_Comm_size(comm,&nprocs);
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// parallel domain size (# of sub-domains)
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int nprocx,nprocy,nprocz;
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int iproc,jproc,kproc;
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int sendtag,recvtag;
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//*****************************************
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// MPI ranks for all 18 neighbors
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//**********************************
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int rank_x,rank_y,rank_z,rank_X,rank_Y,rank_Z;
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int rank_xy,rank_XY,rank_xY,rank_Xy;
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int rank_xz,rank_XZ,rank_xZ,rank_Xz;
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int rank_yz,rank_YZ,rank_yZ,rank_Yz;
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//**********************************
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MPI_Request req1[18],req2[18];
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MPI_Status stat1[18],stat2[18];
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//**********************************
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//!!!!!!!!!!! Random debugging communications!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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// rank_X = rank+1;
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// if (!(rank_X < nprocs)) rank_X-=nprocs;
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// rank_x = rank-1;
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// if (rank_x < 0) rank_x +=nprocs;
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// rank_y = rank_z = rank_xy = rank_Xy = rank_xz = rank_Xz = rank_yz = rank_Yz = rank_x;
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// rank_Y = rank_Z = rank_XY = rank_xY = rank_XZ = rank_xZ = rank_YZ = rank_yZ = rank_X;
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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// int deviceCount;
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// cudaGetDeviceCount(&deviceCount);
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// int device = 1;
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// if (rank==0) printf("Number of devices = %i \n", deviceCount);
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// if (rank==0) printf("Current device is = %i \n", device);
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// cudaSetDevice(device);
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// BGK Model parameters
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string FILENAME;
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unsigned int nBlocks, nthreads;
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int timestepMax, interval;
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double tau,Fx,Fy,Fz,tol;
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// Domain variables
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int Nx,Ny,Nz;
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int i,j,k,n;
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if (rank==0){
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ifstream input("MRT.in");
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input >> FILENAME; // name of the input file
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input >> Nz; // number of nodes (x,y,z)
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input >> nBlocks;
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input >> nthreads;
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input >> tau; // relaxation time
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input >> Fx; // External force components (x,y,z)
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input >> Fy;
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input >> Fz;
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input >> timestepMax; // max no. of timesteps
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input >> interval; // error interval
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input >> tol; // error tolerance
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ifstream domain("Domain.in");
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domain >> nprocx;
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domain >> nprocy;
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domain >> nprocz;
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}
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// **************************************************************
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// Broadcast simulation parameters from rank 0 to all other procs
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MPI_Barrier(comm);
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//.................................................
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MPI_Bcast(&Nz,1,MPI_INT,0,comm);
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MPI_Bcast(&nBlocks,1,MPI_INT,0,comm);
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MPI_Bcast(&nthreads,1,MPI_INT,0,comm);
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MPI_Bcast(&tau,1,MPI_DOUBLE,0,comm);
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MPI_Bcast(&Fx,1,MPI_DOUBLE,0,comm);
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MPI_Bcast(&Fy,1,MPI_DOUBLE,0,comm);
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MPI_Bcast(&Fz,1,MPI_DOUBLE,0,comm);
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MPI_Bcast(×tepMax,1,MPI_INT,0,comm);
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MPI_Bcast(&interval,1,MPI_INT,0,comm);
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MPI_Bcast(&tol,1,MPI_DOUBLE,0,comm);
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MPI_Bcast(&nprocx,1,MPI_INT,0,comm);
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MPI_Bcast(&nprocy,1,MPI_INT,0,comm);
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MPI_Bcast(&nprocz,1,MPI_INT,0,comm);
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//.................................................
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MPI_Barrier(comm);
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// **************************************************************
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double rlx_setA = 1.f/tau;
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double rlx_setB = 8.f*(2.f-rlx_setA)/(8.f-rlx_setA);
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if (nprocs != nprocx*nprocy*nprocz){
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printf("Fatal error in processor number! \n");
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printf("nprocx = %i \n",nprocx);
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printf("nprocy = %i \n",nprocy);
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printf("nprocz = %i \n",nprocz);
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}
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if (rank==0){
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printf("tau = %f \n", tau);
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printf("Set A = %f \n", rlx_setA);
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printf("Set B = %f \n", rlx_setB);
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printf("Force(x) = %f \n", Fx);
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printf("Force(y) = %f \n", Fy);
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printf("Force(z) = %f \n", Fz);
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printf("Sub-domain size = %i x %i x %i\n",Nz,Nz,Nz);
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}
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MPI_Barrier(comm);
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kproc = rank/(nprocx*nprocy);
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jproc = (rank-nprocx*nprocy*kproc)/nprocx;
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iproc = rank-nprocx*nprocy*kproc-nprocz*jproc;
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//..........................................
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// set up the neighbor ranks
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=1;
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j+=0;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_X = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i-=1;
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j+=0;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_x = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=0;
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j+=1;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_Y = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=0;
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j-=1;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_y = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=0;
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j+=0;
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k+=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-= nprocy;
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if (!(k<nprocz)) k-= nprocz;
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rank_Z = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=0;
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j+=0;
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k-=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-= nprocy;
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if (!(k<nprocz)) k-= nprocz;
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rank_z = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=1;
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j+=1;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_XY = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i-=1;
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j-=1;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_xy = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=1;
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j-=1;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_Xy = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i-=1;
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j+=1;
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k+=0;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_xY = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=1;
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j+=0;
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k+=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_XZ = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i-=1;
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j+=0;
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k-=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_xz = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i-=1;
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j+=0;
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k+=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_xZ = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=1;
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j+=0;
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k-=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_Xz = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=0;
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j+=1;
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k+=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_YZ = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=0;
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j-=1;
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k-=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_yz = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k =kproc;
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i+=0;
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j-=1;
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k+=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_yZ = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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i=iproc; j=jproc; k=kproc;
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i+=0;
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j+=1;
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k-=1;
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if (i<0) i+=nprocx;
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if (j<0) j+=nprocy;
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if (k<0) k+=nprocz;
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if (!(i<nprocx)) i-= nprocx;
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if (!(j<nprocy)) j-=nprocy;
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if (!(k<nprocz)) k-=nprocz;
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rank_Yz = k*nprocx*nprocy+j*nprocx+i;
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//..........................................
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Nz += 2;
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Nx = Ny = Nz; // Cubic domain
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int N = Nx*Ny*Nz;
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int dist_mem_size = N*sizeof(double);
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// unsigned int nBlocks = 32;
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// int nthreads = 128;
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int S = N/nthreads/nBlocks;
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// unsigned int nBlocks = N/nthreads + (N%nthreads == 0?0:1);
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// dim3 grid(nBlocks,1,1);
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if (rank==0) printf("Number of blocks = %i \n", nBlocks);
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if (rank==0) printf("Threads per block = %i \n", nthreads);
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if (rank==0) printf("Sweeps per thread = %i \n", S);
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if (rank==0) printf("Number of nodes per side = %i \n", Nx);
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if (rank==0) printf("Total Number of nodes = %i \n", N);
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//.......................................................................
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if (rank == 0) printf("Read input media... \n");
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//.......................................................................
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char LocalRankString[8];
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char LocalRankFilename[40];
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sprintf(LocalRankString,"%05d",rank);
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sprintf(LocalRankFilename,"%s%s","ID.",LocalRankString);
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printf("Local File Name = %s \n",LocalRankFilename);
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// .......... READ THE INPUT FILE .......................................
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char value;
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char *id;
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id = new char[N];
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int sum = 0;
|
|
// double porosity;
|
|
//.......................................................................
|
|
ifstream PM(LocalRankFilename,ios::binary);
|
|
for (k=0;k<Nz;k++){
|
|
for (j=0;j<Ny;j++){
|
|
for (i=0;i<Nx;i++){
|
|
n = k*Nx*Ny+j*Nx+i;
|
|
id[n] = 0;
|
|
}
|
|
}
|
|
}
|
|
for ( k=1;k<Nz-1;k++){
|
|
for ( j=1;j<Ny-1;j++){
|
|
for ( i=1;i<Nx-1;i++){
|
|
PM.read((char *) (&value), sizeof(value));
|
|
n = k*Nx*Ny+j*Nx+i;
|
|
id[n] = value;
|
|
if (value > 0) sum++;
|
|
}
|
|
}
|
|
}
|
|
PM.close();
|
|
// printf("File porosity = %f\n", double(sum)/N);
|
|
//...........................................................................
|
|
MPI_Barrier(comm);
|
|
if (rank == 0) cout << "Domain set." << endl;
|
|
//...........................................................................
|
|
// Write the communcation structure into a file for debugging
|
|
char LocalCommFile[40];
|
|
sprintf(LocalCommFile,"%s%s","Comm.",LocalRankString);
|
|
FILE *CommFile;
|
|
CommFile = fopen(LocalCommFile,"w");
|
|
fprintf(CommFile,"rank=%d, ",rank);
|
|
fprintf(CommFile,"i=%d,j=%d,k=%d :",iproc,jproc,kproc);
|
|
fprintf(CommFile,"x=%d, ",rank_x);
|
|
fprintf(CommFile,"X=%d, ",rank_X);
|
|
fprintf(CommFile,"y=%d, ",rank_y);
|
|
fprintf(CommFile,"Y=%d, ",rank_Y);
|
|
fprintf(CommFile,"z=%d, ",rank_z);
|
|
fprintf(CommFile,"Z=%d, ",rank_Z);
|
|
fprintf(CommFile,"xy=%d, ",rank_xy);
|
|
fprintf(CommFile,"XY=%d, ",rank_XY);
|
|
fprintf(CommFile,"xY=%d, ",rank_xY);
|
|
fprintf(CommFile,"Xy=%d, ",rank_Xy);
|
|
fprintf(CommFile,"xz=%d, ",rank_xz);
|
|
fprintf(CommFile,"XZ=%d, ",rank_XZ);
|
|
fprintf(CommFile,"xZ=%d, ",rank_xZ);
|
|
fprintf(CommFile,"Xz=%d, ",rank_Xz);
|
|
fprintf(CommFile,"yz=%d, ",rank_yz);
|
|
fprintf(CommFile,"YZ=%d, ",rank_YZ);
|
|
fprintf(CommFile,"yZ=%d, ",rank_yZ);
|
|
fprintf(CommFile,"Yz=%d, ",rank_Yz);
|
|
fprintf(CommFile,"\n");
|
|
fclose(CommFile);
|
|
//...........................................................................
|
|
|
|
// Set up MPI communication structures
|
|
if (rank==0) printf ("Setting up communication control structures \n");
|
|
//......................................................................................
|
|
// Get the actual D3Q19 communication counts (based on location of solid phase)
|
|
// Discrete velocity set symmetry implies the sendcount = recvcount
|
|
int sendCount_x, sendCount_y, sendCount_z, sendCount_X, sendCount_Y, sendCount_Z;
|
|
int sendCount_xy, sendCount_yz, sendCount_xz, sendCount_Xy, sendCount_Yz, sendCount_xZ;
|
|
int sendCount_xY, sendCount_yZ, sendCount_Xz, sendCount_XY, sendCount_YZ, sendCount_XZ;
|
|
sendCount_x = sendCount_y = sendCount_z = sendCount_X = sendCount_Y = sendCount_Z = 0;
|
|
sendCount_xy = sendCount_yz = sendCount_xz = sendCount_Xy = sendCount_Yz = sendCount_xZ = 0;
|
|
sendCount_xY = sendCount_yZ = sendCount_Xz = sendCount_XY = sendCount_YZ = sendCount_XZ = 0;
|
|
//......................................................................................
|
|
for (k=0; k<Nz; k++){
|
|
for (j=0; j<Ny; j++){
|
|
for (i=0; i<Nx; i++){
|
|
// Check the phase ID
|
|
if (id[k*Nx*Ny+j*Nx+i] != 0){
|
|
// Counts for the six faces
|
|
if (i==1) sendCount_x++;
|
|
if (j==1) sendCount_y++;
|
|
if (k==1) sendCount_z++;
|
|
if (i==Nx-2) sendCount_X++;
|
|
if (j==Ny-2) sendCount_Y++;
|
|
if (k==Nz-2) sendCount_Z++;
|
|
// Counts for the twelve edges
|
|
if (i==1 && j==1) sendCount_xy++;
|
|
if (i==1 && j==Ny-2) sendCount_xY++;
|
|
if (i==Nx-2 && j==1) sendCount_Xy++;
|
|
if (i==Nx-2 && j==Ny-2) sendCount_XY++;
|
|
|
|
if (i==1 && k==1) sendCount_xz++;
|
|
if (i==1 && k==Nz-2) sendCount_xZ++;
|
|
if (i==Nx-2 && k==1) sendCount_Xz++;
|
|
if (i==Nx-2 && k==Nz-2) sendCount_XZ++;
|
|
|
|
if (j==1 && k==1) sendCount_yz++;
|
|
if (j==1 && k==Nz-2) sendCount_yZ++;
|
|
if (j==Ny-2 && k==1) sendCount_Yz++;
|
|
if (j==Ny-2 && k==Nz-2) sendCount_YZ++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//......................................................................................
|
|
int *sendList_x, *sendList_y, *sendList_z, *sendList_X, *sendList_Y, *sendList_Z;
|
|
int *sendList_xy, *sendList_yz, *sendList_xz, *sendList_Xy, *sendList_Yz, *sendList_xZ;
|
|
int *sendList_xY, *sendList_yZ, *sendList_Xz, *sendList_XY, *sendList_YZ, *sendList_XZ;
|
|
//......................................................................................
|
|
// send buffers
|
|
sendList_x = new int [sendCount_x];
|
|
sendList_y = new int [sendCount_y];
|
|
sendList_z = new int [sendCount_z];
|
|
sendList_X = new int [sendCount_X];
|
|
sendList_Y = new int [sendCount_Y];
|
|
sendList_Z = new int [sendCount_Z];
|
|
sendList_xy = new int [sendCount_xy];
|
|
sendList_yz = new int [sendCount_yz];
|
|
sendList_xz = new int [sendCount_xz];
|
|
sendList_Xy = new int [sendCount_Xy];
|
|
sendList_Yz = new int [sendCount_Yz];
|
|
sendList_xZ = new int [sendCount_xZ];
|
|
sendList_xY = new int [sendCount_xY];
|
|
sendList_yZ = new int [sendCount_yZ];
|
|
sendList_Xz = new int [sendCount_Xz];
|
|
sendList_XY = new int [sendCount_XY];
|
|
sendList_YZ = new int [sendCount_YZ];
|
|
sendList_XZ = new int [sendCount_XZ];
|
|
if (rank==0) printf ("Preparing the sendlists \n");
|
|
//......................................................................................
|
|
// Populate the send list
|
|
sendCount_x = sendCount_y = sendCount_z = sendCount_X = sendCount_Y = sendCount_Z = 0;
|
|
sendCount_xy = sendCount_yz = sendCount_xz = sendCount_Xy = sendCount_Yz = sendCount_xZ = 0;
|
|
sendCount_xY = sendCount_yZ = sendCount_Xz = sendCount_XY = sendCount_YZ = sendCount_XZ = 0;
|
|
for (k=0; k<Nz; k++){
|
|
for (j=0; j<Ny; j++){
|
|
for (i=0; i<Nx; i++){
|
|
// Local value to send
|
|
n = k*Nx*Ny+j*Nx+i;
|
|
if (id[n] != 0){
|
|
// Counts for the six faces
|
|
if (i==1) sendList_x[sendCount_x++]=n;
|
|
if (j==1) sendList_y[sendCount_y++]=n;
|
|
if (k==1) sendList_z[sendCount_z++]=n;
|
|
if (i==Nx-2) sendList_X[sendCount_X++]=n;
|
|
if (j==Ny-2) sendList_Y[sendCount_Y++]=n;
|
|
if (k==Nz-2) sendList_Z[sendCount_Z++]=n;
|
|
// Counts for the twelve edges
|
|
if (i==1 && j==1) sendList_xy[sendCount_xy++]=n;
|
|
if (i==1 && j==Ny-2) sendList_xY[sendCount_xY++]=n;
|
|
if (i==Nx-2 && j==1) sendList_Xy[sendCount_Xy++]=n;
|
|
if (i==Nx-2 && j==Ny-2) sendList_XY[sendCount_XY++]=n;
|
|
|
|
if (i==1 && k==1) sendList_xz[sendCount_xz++]=n;
|
|
if (i==1 && k==Nz-2) sendList_xZ[sendCount_xZ++]=n;
|
|
if (i==Nx-2 && k==1) sendList_Xz[sendCount_Xz++]=n;
|
|
if (i==Nx-2 && k==Nz-2) sendList_XZ[sendCount_XZ++]=n;
|
|
|
|
if (j==1 && k==1) sendList_yz[sendCount_yz++]=n;
|
|
if (j==1 && k==Nz-2) sendList_yZ[sendCount_yZ++]=n;
|
|
if (j==Ny-2 && k==1) sendList_Yz[sendCount_Yz++]=n;
|
|
if (j==Ny-2 && k==Nz-2) sendList_YZ[sendCount_YZ++]=n;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
MPI_Barrier(comm);
|
|
if (rank==0) printf ("SendLists are ready on host\n");
|
|
//......................................................................................
|
|
// Use MPI to fill in the recvCounts form the associated processes
|
|
int recvCount_x, recvCount_y, recvCount_z, recvCount_X, recvCount_Y, recvCount_Z;
|
|
int recvCount_xy, recvCount_yz, recvCount_xz, recvCount_Xy, recvCount_Yz, recvCount_xZ;
|
|
int recvCount_xY, recvCount_yZ, recvCount_Xz, recvCount_XY, recvCount_YZ, recvCount_XZ;
|
|
//......................................................................................
|
|
//**********************************************************************************
|
|
// Fill in the recieve counts using MPI
|
|
sendtag = recvtag = 3;
|
|
MPI_Send(&sendCount_x,1,MPI_INT,rank_X,sendtag,comm);
|
|
MPI_Recv(&recvCount_X,1,MPI_INT,rank_x,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_X,1,MPI_INT,rank_x,sendtag,comm);
|
|
MPI_Recv(&recvCount_x,1,MPI_INT,rank_X,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_y,1,MPI_INT,rank_Y,sendtag,comm);
|
|
MPI_Recv(&recvCount_Y,1,MPI_INT,rank_y,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_Y,1,MPI_INT,rank_y,sendtag,comm);
|
|
MPI_Recv(&recvCount_y,1,MPI_INT,rank_Y,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_z,1,MPI_INT,rank_Z,sendtag,comm);
|
|
MPI_Recv(&recvCount_Z,1,MPI_INT,rank_z,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_Z,1,MPI_INT,rank_z,sendtag,comm);
|
|
MPI_Recv(&recvCount_z,1,MPI_INT,rank_Z,recvtag,comm,MPI_STATUS_IGNORE);
|
|
|
|
MPI_Send(&sendCount_xy,1,MPI_INT,rank_XY,sendtag,comm);
|
|
MPI_Recv(&recvCount_XY,1,MPI_INT,rank_xy,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_XY,1,MPI_INT,rank_xy,sendtag,comm);
|
|
MPI_Recv(&recvCount_xy,1,MPI_INT,rank_XY,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_Xy,1,MPI_INT,rank_xY,sendtag,comm);
|
|
MPI_Recv(&recvCount_xY,1,MPI_INT,rank_Xy,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_xY,1,MPI_INT,rank_Xy,sendtag,comm);
|
|
MPI_Recv(&recvCount_Xy,1,MPI_INT,rank_xY,recvtag,comm,MPI_STATUS_IGNORE);
|
|
|
|
MPI_Send(&sendCount_xz,1,MPI_INT,rank_XZ,sendtag,comm);
|
|
MPI_Recv(&recvCount_XZ,1,MPI_INT,rank_xz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_XZ,1,MPI_INT,rank_xz,sendtag,comm);
|
|
MPI_Recv(&recvCount_xz,1,MPI_INT,rank_XZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_Xz,1,MPI_INT,rank_xZ,sendtag,comm);
|
|
MPI_Recv(&recvCount_xZ,1,MPI_INT,rank_Xz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_xZ,1,MPI_INT,rank_Xz,sendtag,comm);
|
|
MPI_Recv(&recvCount_Xz,1,MPI_INT,rank_xZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
|
|
MPI_Send(&sendCount_yz,1,MPI_INT,rank_YZ,sendtag,comm);
|
|
MPI_Recv(&recvCount_YZ,1,MPI_INT,rank_yz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_YZ,1,MPI_INT,rank_yz,sendtag,comm);
|
|
MPI_Recv(&recvCount_yz,1,MPI_INT,rank_YZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_Yz,1,MPI_INT,rank_yZ,sendtag,comm);
|
|
MPI_Recv(&recvCount_yZ,1,MPI_INT,rank_Yz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Send(&sendCount_yZ,1,MPI_INT,rank_Yz,sendtag,comm);
|
|
MPI_Recv(&recvCount_Yz,1,MPI_INT,rank_yZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Barrier(comm);
|
|
//**********************************************************************************
|
|
//......................................................................................
|
|
int *recvList_x, *recvList_y, *recvList_z, *recvList_X, *recvList_Y, *recvList_Z;
|
|
int *recvList_xy, *recvList_yz, *recvList_xz, *recvList_Xy, *recvList_Yz, *recvList_xZ;
|
|
int *recvList_xY, *recvList_yZ, *recvList_Xz, *recvList_XY, *recvList_YZ, *recvList_XZ;
|
|
//......................................................................................
|
|
// recv buffers
|
|
recvList_x = new int [recvCount_x];
|
|
recvList_y = new int [recvCount_y];
|
|
recvList_z = new int [recvCount_z];
|
|
recvList_X = new int [recvCount_X];
|
|
recvList_Y = new int [recvCount_Y];
|
|
recvList_Z = new int [recvCount_Z];
|
|
recvList_xy = new int [recvCount_xy];
|
|
recvList_yz = new int [recvCount_yz];
|
|
recvList_xz = new int [recvCount_xz];
|
|
recvList_Xy = new int [recvCount_Xy];
|
|
recvList_Yz = new int [recvCount_Yz];
|
|
recvList_xZ = new int [recvCount_xZ];
|
|
recvList_xY = new int [recvCount_xY];
|
|
recvList_yZ = new int [recvCount_yZ];
|
|
recvList_Xz = new int [recvCount_Xz];
|
|
recvList_XY = new int [recvCount_XY];
|
|
recvList_YZ = new int [recvCount_YZ];
|
|
recvList_XZ = new int [recvCount_XZ];
|
|
//......................................................................................
|
|
//......................................................................................
|
|
// Use MPI to fill in the appropriate values for recvList
|
|
// Fill in the recieve lists using MPI
|
|
sendtag = recvtag = 4;
|
|
MPI_Isend(sendList_x, sendCount_x,MPI_INT,rank_X,sendtag,comm,&req1[0]);
|
|
MPI_Irecv(recvList_X, recvCount_X,MPI_INT,rank_x,recvtag,comm,&req2[0]);
|
|
MPI_Isend(sendList_X, sendCount_X,MPI_INT,rank_x,sendtag,comm,&req1[1]);
|
|
MPI_Irecv(recvList_x, recvCount_x,MPI_INT,rank_X,recvtag,comm,&req2[1]);
|
|
MPI_Isend(sendList_y, sendCount_y,MPI_INT,rank_Y,sendtag,comm,&req1[2]);
|
|
MPI_Irecv(recvList_Y, recvCount_Y,MPI_INT,rank_y,recvtag,comm,&req2[2]);
|
|
MPI_Isend(sendList_Y, sendCount_Y,MPI_INT,rank_y,sendtag,comm,&req1[3]);
|
|
MPI_Irecv(recvList_y, recvCount_y,MPI_INT,rank_Y,recvtag,comm,&req2[3]);
|
|
MPI_Isend(sendList_z, sendCount_z,MPI_INT,rank_Z,sendtag,comm,&req1[4]);
|
|
MPI_Irecv(recvList_Z, recvCount_Z,MPI_INT,rank_z,recvtag,comm,&req2[4]);
|
|
MPI_Isend(sendList_Z, sendCount_Z,MPI_INT,rank_z,sendtag,comm,&req1[5]);
|
|
MPI_Irecv(recvList_z, recvCount_z,MPI_INT,rank_Z,recvtag,comm,&req2[5]);
|
|
|
|
MPI_Isend(sendList_xy, sendCount_xy,MPI_INT,rank_XY,sendtag,comm,&req1[6]);
|
|
MPI_Irecv(recvList_XY, recvCount_XY,MPI_INT,rank_xy,recvtag,comm,&req2[6]);
|
|
MPI_Isend(sendList_XY, sendCount_XY,MPI_INT,rank_xy,sendtag,comm,&req1[7]);
|
|
MPI_Irecv(recvList_xy, recvCount_xy,MPI_INT,rank_XY,recvtag,comm,&req2[7]);
|
|
MPI_Isend(sendList_Xy, sendCount_Xy,MPI_INT,rank_xY,sendtag,comm,&req1[8]);
|
|
MPI_Irecv(recvList_xY, recvCount_xY,MPI_INT,rank_Xy,recvtag,comm,&req2[8]);
|
|
MPI_Isend(sendList_xY, sendCount_xY,MPI_INT,rank_Xy,sendtag,comm,&req1[9]);
|
|
MPI_Irecv(recvList_Xy, recvCount_Xy,MPI_INT,rank_xY,recvtag,comm,&req2[9]);
|
|
|
|
MPI_Isend(sendList_xz, sendCount_xz,MPI_INT,rank_XZ,sendtag,comm,&req1[10]);
|
|
MPI_Irecv(recvList_XZ, recvCount_XZ,MPI_INT,rank_xz,recvtag,comm,&req2[10]);
|
|
MPI_Isend(sendList_XZ, sendCount_XZ,MPI_INT,rank_xz,sendtag,comm,&req1[11]);
|
|
MPI_Irecv(recvList_xz, recvCount_xz,MPI_INT,rank_XZ,recvtag,comm,&req2[11]);
|
|
MPI_Isend(sendList_Xz, sendCount_Xz,MPI_INT,rank_xZ,sendtag,comm,&req1[12]);
|
|
MPI_Irecv(recvList_xZ, recvCount_xZ,MPI_INT,rank_Xz,recvtag,comm,&req2[12]);
|
|
MPI_Isend(sendList_xZ, sendCount_xZ,MPI_INT,rank_Xz,sendtag,comm,&req1[13]);
|
|
MPI_Irecv(recvList_Xz, recvCount_Xz,MPI_INT,rank_xZ,recvtag,comm,&req2[13]);
|
|
|
|
MPI_Isend(sendList_yz, sendCount_yz,MPI_INT,rank_YZ,sendtag,comm,&req1[14]);
|
|
MPI_Irecv(recvList_YZ, recvCount_YZ,MPI_INT,rank_yz,recvtag,comm,&req2[14]);
|
|
MPI_Isend(sendList_YZ, sendCount_YZ,MPI_INT,rank_yz,sendtag,comm,&req1[15]);
|
|
MPI_Irecv(recvList_yz, recvCount_yz,MPI_INT,rank_YZ,recvtag,comm,&req2[15]);
|
|
MPI_Isend(sendList_Yz, sendCount_Yz,MPI_INT,rank_yZ,sendtag,comm,&req1[16]);
|
|
MPI_Irecv(recvList_yZ, recvCount_yZ,MPI_INT,rank_Yz,recvtag,comm,&req2[16]);
|
|
MPI_Isend(sendList_yZ, sendCount_yZ,MPI_INT,rank_Yz,sendtag,comm,&req1[17]);
|
|
MPI_Irecv(recvList_Yz, recvCount_Yz,MPI_INT,rank_yZ,recvtag,comm,&req2[17]);
|
|
MPI_Waitall(18,req1,stat1);
|
|
MPI_Waitall(18,req2,stat2);
|
|
MPI_Barrier(comm);
|
|
//......................................................................................
|
|
double *sendbuf_x, *sendbuf_y, *sendbuf_z, *sendbuf_X, *sendbuf_Y, *sendbuf_Z;
|
|
double *sendbuf_xy, *sendbuf_yz, *sendbuf_xz, *sendbuf_Xy, *sendbuf_Yz, *sendbuf_xZ;
|
|
double *sendbuf_xY, *sendbuf_yZ, *sendbuf_Xz, *sendbuf_XY, *sendbuf_YZ, *sendbuf_XZ;
|
|
double *recvbuf_x, *recvbuf_y, *recvbuf_z, *recvbuf_X, *recvbuf_Y, *recvbuf_Z;
|
|
double *recvbuf_xy, *recvbuf_yz, *recvbuf_xz, *recvbuf_Xy, *recvbuf_Yz, *recvbuf_xZ;
|
|
double *recvbuf_xY, *recvbuf_yZ, *recvbuf_Xz, *recvbuf_XY, *recvbuf_YZ, *recvbuf_XZ;
|
|
//......................................................................................
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_x, 5*sendCount_x*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_X, 5*sendCount_X*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_y, 5*sendCount_y*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_Y, 5*sendCount_Y*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_z, 5*sendCount_z*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_Z, 5*sendCount_Z*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_xy, sendCount_xy*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_xY, sendCount_xY*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_Xy, sendCount_Xy*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_XY, sendCount_XY*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_xz, sendCount_xz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_xZ, sendCount_xZ*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_Xz, sendCount_Xz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_XZ, sendCount_XZ*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_yz, sendCount_yz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_yZ, sendCount_yZ*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_Yz, sendCount_Yz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &sendbuf_YZ, sendCount_YZ*sizeof(double)); // Allocate device memory
|
|
//......................................................................................
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_x, 5*recvCount_x*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_X, 5*recvCount_X*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_y, 5*recvCount_y*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_Y, 5*recvCount_Y*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_z, 5*recvCount_z*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_Z, 5*recvCount_Z*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_xy, recvCount_xy*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_xY, recvCount_xY*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_Xy, recvCount_Xy*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_XY, recvCount_XY*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_xz, recvCount_xz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_xZ, recvCount_xZ*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_Xz, recvCount_Xz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_XZ, recvCount_XZ*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_yz, recvCount_yz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_yZ, recvCount_yZ*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_Yz, recvCount_Yz*sizeof(double)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &recvbuf_YZ, recvCount_YZ*sizeof(double)); // Allocate device memory
|
|
//......................................................................................
|
|
int *dvcSendList_x, *dvcSendList_y, *dvcSendList_z, *dvcSendList_X, *dvcSendList_Y, *dvcSendList_Z;
|
|
int *dvcSendList_xy, *dvcSendList_yz, *dvcSendList_xz, *dvcSendList_Xy, *dvcSendList_Yz, *dvcSendList_xZ;
|
|
int *dvcSendList_xY, *dvcSendList_yZ, *dvcSendList_Xz, *dvcSendList_XY, *dvcSendList_YZ, *dvcSendList_XZ;
|
|
//......................................................................................
|
|
int *dvcRecvList_x, *dvcRecvList_y, *dvcRecvList_z, *dvcRecvList_X, *dvcRecvList_Y, *dvcRecvList_Z;
|
|
int *dvcRecvList_xy, *dvcRecvList_yz, *dvcRecvList_xz, *dvcRecvList_Xy, *dvcRecvList_Yz, *dvcRecvList_xZ;
|
|
int *dvcRecvList_xY, *dvcRecvList_yZ, *dvcRecvList_Xz, *dvcRecvList_XY, *dvcRecvList_YZ, *dvcRecvList_XZ;
|
|
//......................................................................................
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_x, sendCount_x*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_X, sendCount_X*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_y, sendCount_y*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_Y, sendCount_Y*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_z, sendCount_z*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_Z, sendCount_Z*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_xy, sendCount_xy*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_xY, sendCount_xY*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_Xy, sendCount_Xy*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_XY, sendCount_XY*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_xz, sendCount_xz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_xZ, sendCount_xZ*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_Xz, sendCount_Xz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_XZ, sendCount_XZ*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_yz, sendCount_yz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_yZ, sendCount_yZ*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_Yz, sendCount_Yz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcSendList_YZ, sendCount_YZ*sizeof(int)); // Allocate device memory
|
|
//......................................................................................
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_x, recvCount_x*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_X, recvCount_X*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_y, recvCount_y*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_Y, recvCount_Y*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_z, recvCount_z*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_Z, recvCount_Z*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_xy, recvCount_xy*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_xY, recvCount_xY*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_Xy, recvCount_Xy*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_XY, recvCount_XY*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_xz, recvCount_xz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_xZ, recvCount_xZ*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_Xz, recvCount_Xz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_XZ, recvCount_XZ*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_yz, recvCount_yz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_yZ, recvCount_yZ*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_Yz, recvCount_Yz*sizeof(int)); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &dvcRecvList_YZ, recvCount_YZ*sizeof(int)); // Allocate device memory
|
|
//......................................................................................
|
|
if (rank==0) printf ("Prepare to copy send/recv Lists to device \n");
|
|
dvc_CopyToDevice(dvcSendList_x,sendList_x,sendCount_x*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_X,sendList_X,sendCount_X*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_y,sendList_y,sendCount_y*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_Y,sendList_Y,sendCount_Y*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_z,sendList_z,sendCount_z*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_Z,sendList_Z,sendCount_Z*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_xy,sendList_xy,sendCount_xy*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_XY,sendList_XY,sendCount_XY*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_xY,sendList_xY,sendCount_xY*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_Xy,sendList_Xy,sendCount_Xy*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_xz,sendList_xz,sendCount_xz*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_XZ,sendList_XZ,sendCount_XZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_xZ,sendList_xZ,sendCount_xZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_Xz,sendList_Xz,sendCount_Xz*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_yz,sendList_yz,sendCount_yz*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_YZ,sendList_YZ,sendCount_YZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_yZ,sendList_yZ,sendCount_yZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcSendList_Yz,sendList_Yz,sendCount_Yz*sizeof(int));
|
|
//......................................................................................
|
|
dvc_CopyToDevice(dvcRecvList_x,recvList_x,recvCount_x*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_X,recvList_X,recvCount_X*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_y,recvList_y,recvCount_y*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_Y,recvList_Y,recvCount_Y*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_z,recvList_z,recvCount_z*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_Z,recvList_Z,recvCount_Z*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_xy,recvList_xy,recvCount_xy*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_XY,recvList_XY,recvCount_XY*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_xY,recvList_xY,recvCount_xY*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_Xy,recvList_Xy,recvCount_Xy*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_xz,recvList_xz,recvCount_xz*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_XZ,recvList_XZ,recvCount_XZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_xZ,recvList_xZ,recvCount_xZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_Xz,recvList_Xz,recvCount_Xz*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_yz,recvList_yz,recvCount_yz*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_YZ,recvList_YZ,recvCount_YZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_yZ,recvList_yZ,recvCount_yZ*sizeof(int));
|
|
dvc_CopyToDevice(dvcRecvList_Yz,recvList_Yz,recvCount_Yz*sizeof(int));
|
|
//......................................................................................
|
|
// Fill in the phase ID from neighboring processors
|
|
char *sendID_x, *sendID_y, *sendID_z, *sendID_X, *sendID_Y, *sendID_Z;
|
|
char *sendID_xy, *sendID_yz, *sendID_xz, *sendID_Xy, *sendID_Yz, *sendID_xZ;
|
|
char *sendID_xY, *sendID_yZ, *sendID_Xz, *sendID_XY, *sendID_YZ, *sendID_XZ;
|
|
char *recvID_x, *recvID_y, *recvID_z, *recvID_X, *recvID_Y, *recvID_Z;
|
|
char *recvID_xy, *recvID_yz, *recvID_xz, *recvID_Xy, *recvID_Yz, *recvID_xZ;
|
|
char *recvID_xY, *recvID_yZ, *recvID_Xz, *recvID_XY, *recvID_YZ, *recvID_XZ;
|
|
// send buffers
|
|
sendID_x = new char [sendCount_x];
|
|
sendID_y = new char [sendCount_y];
|
|
sendID_z = new char [sendCount_z];
|
|
sendID_X = new char [sendCount_X];
|
|
sendID_Y = new char [sendCount_Y];
|
|
sendID_Z = new char [sendCount_Z];
|
|
sendID_xy = new char [sendCount_xy];
|
|
sendID_yz = new char [sendCount_yz];
|
|
sendID_xz = new char [sendCount_xz];
|
|
sendID_Xy = new char [sendCount_Xy];
|
|
sendID_Yz = new char [sendCount_Yz];
|
|
sendID_xZ = new char [sendCount_xZ];
|
|
sendID_xY = new char [sendCount_xY];
|
|
sendID_yZ = new char [sendCount_yZ];
|
|
sendID_Xz = new char [sendCount_Xz];
|
|
sendID_XY = new char [sendCount_XY];
|
|
sendID_YZ = new char [sendCount_YZ];
|
|
sendID_XZ = new char [sendCount_XZ];
|
|
//......................................................................................
|
|
// recv buffers
|
|
recvID_x = new char [recvCount_x];
|
|
recvID_y = new char [recvCount_y];
|
|
recvID_z = new char [recvCount_z];
|
|
recvID_X = new char [recvCount_X];
|
|
recvID_Y = new char [recvCount_Y];
|
|
recvID_Z = new char [recvCount_Z];
|
|
recvID_xy = new char [recvCount_xy];
|
|
recvID_yz = new char [recvCount_yz];
|
|
recvID_xz = new char [recvCount_xz];
|
|
recvID_Xy = new char [recvCount_Xy];
|
|
recvID_xZ = new char [recvCount_xZ];
|
|
recvID_xY = new char [recvCount_xY];
|
|
recvID_yZ = new char [recvCount_yZ];
|
|
recvID_Yz = new char [recvCount_Yz];
|
|
recvID_Xz = new char [recvCount_Xz];
|
|
recvID_XY = new char [recvCount_XY];
|
|
recvID_YZ = new char [recvCount_YZ];
|
|
recvID_XZ = new char [recvCount_XZ];
|
|
//......................................................................................
|
|
sendtag = recvtag = 7;
|
|
PackID(sendList_x, sendCount_x ,sendID_x, id);
|
|
PackID(sendList_X, sendCount_X ,sendID_X, id);
|
|
PackID(sendList_y, sendCount_y ,sendID_y, id);
|
|
PackID(sendList_Y, sendCount_Y ,sendID_Y, id);
|
|
PackID(sendList_z, sendCount_z ,sendID_z, id);
|
|
PackID(sendList_Z, sendCount_Z ,sendID_Z, id);
|
|
PackID(sendList_xy, sendCount_xy ,sendID_xy, id);
|
|
PackID(sendList_Xy, sendCount_Xy ,sendID_Xy, id);
|
|
PackID(sendList_xY, sendCount_xY ,sendID_xY, id);
|
|
PackID(sendList_XY, sendCount_XY ,sendID_XY, id);
|
|
PackID(sendList_xz, sendCount_xz ,sendID_xz, id);
|
|
PackID(sendList_Xz, sendCount_Xz ,sendID_Xz, id);
|
|
PackID(sendList_xZ, sendCount_xZ ,sendID_xZ, id);
|
|
PackID(sendList_XZ, sendCount_XZ ,sendID_XZ, id);
|
|
PackID(sendList_yz, sendCount_yz ,sendID_yz, id);
|
|
PackID(sendList_Yz, sendCount_Yz ,sendID_Yz, id);
|
|
PackID(sendList_yZ, sendCount_yZ ,sendID_yZ, id);
|
|
PackID(sendList_YZ, sendCount_YZ ,sendID_YZ, id);
|
|
//......................................................................................
|
|
MPI_Sendrecv(sendID_x,sendCount_x,MPI_CHAR,rank_X,sendtag,
|
|
recvID_X,recvCount_X,MPI_CHAR,rank_x,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_X,sendCount_X,MPI_CHAR,rank_x,sendtag,
|
|
recvID_x,recvCount_x,MPI_CHAR,rank_X,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_y,sendCount_y,MPI_CHAR,rank_Y,sendtag,
|
|
recvID_Y,recvCount_Y,MPI_CHAR,rank_y,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_Y,sendCount_Y,MPI_CHAR,rank_y,sendtag,
|
|
recvID_y,recvCount_y,MPI_CHAR,rank_Y,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_z,sendCount_z,MPI_CHAR,rank_Z,sendtag,
|
|
recvID_Z,recvCount_Z,MPI_CHAR,rank_z,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_Z,sendCount_Z,MPI_CHAR,rank_z,sendtag,
|
|
recvID_z,recvCount_z,MPI_CHAR,rank_Z,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_xy,sendCount_xy,MPI_CHAR,rank_XY,sendtag,
|
|
recvID_XY,recvCount_XY,MPI_CHAR,rank_xy,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_XY,sendCount_XY,MPI_CHAR,rank_xy,sendtag,
|
|
recvID_xy,recvCount_xy,MPI_CHAR,rank_XY,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_Xy,sendCount_Xy,MPI_CHAR,rank_xY,sendtag,
|
|
recvID_xY,recvCount_xY,MPI_CHAR,rank_Xy,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_xY,sendCount_xY,MPI_CHAR,rank_Xy,sendtag,
|
|
recvID_Xy,recvCount_Xy,MPI_CHAR,rank_xY,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_xz,sendCount_xz,MPI_CHAR,rank_XZ,sendtag,
|
|
recvID_XZ,recvCount_XZ,MPI_CHAR,rank_xz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_XZ,sendCount_XZ,MPI_CHAR,rank_xz,sendtag,
|
|
recvID_xz,recvCount_xz,MPI_CHAR,rank_XZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_Xz,sendCount_Xz,MPI_CHAR,rank_xZ,sendtag,
|
|
recvID_xZ,recvCount_xZ,MPI_CHAR,rank_Xz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_xZ,sendCount_xZ,MPI_CHAR,rank_Xz,sendtag,
|
|
recvID_Xz,recvCount_Xz,MPI_CHAR,rank_xZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_yz,sendCount_yz,MPI_CHAR,rank_YZ,sendtag,
|
|
recvID_YZ,recvCount_YZ,MPI_CHAR,rank_yz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_YZ,sendCount_YZ,MPI_CHAR,rank_yz,sendtag,
|
|
recvID_yz,recvCount_yz,MPI_CHAR,rank_YZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_Yz,sendCount_Yz,MPI_CHAR,rank_yZ,sendtag,
|
|
recvID_yZ,recvCount_yZ,MPI_CHAR,rank_Yz,recvtag,comm,MPI_STATUS_IGNORE);
|
|
MPI_Sendrecv(sendID_yZ,sendCount_yZ,MPI_CHAR,rank_Yz,sendtag,
|
|
recvID_Yz,recvCount_Yz,MPI_CHAR,rank_yZ,recvtag,comm,MPI_STATUS_IGNORE);
|
|
//......................................................................................
|
|
UnpackID(recvList_x, recvCount_x ,recvID_x, id);
|
|
UnpackID(recvList_X, recvCount_X ,recvID_X, id);
|
|
UnpackID(recvList_y, recvCount_y ,recvID_y, id);
|
|
UnpackID(recvList_Y, recvCount_Y ,recvID_Y, id);
|
|
UnpackID(recvList_z, recvCount_z ,recvID_z, id);
|
|
UnpackID(recvList_Z, recvCount_Z ,recvID_Z, id);
|
|
UnpackID(recvList_xy, recvCount_xy ,recvID_xy, id);
|
|
UnpackID(recvList_Xy, recvCount_Xy ,recvID_Xy, id);
|
|
UnpackID(recvList_xY, recvCount_xY ,recvID_xY, id);
|
|
UnpackID(recvList_XY, recvCount_XY ,recvID_XY, id);
|
|
UnpackID(recvList_xz, recvCount_xz ,recvID_xz, id);
|
|
UnpackID(recvList_Xz, recvCount_Xz ,recvID_Xz, id);
|
|
UnpackID(recvList_xZ, recvCount_xZ ,recvID_xZ, id);
|
|
UnpackID(recvList_XZ, recvCount_XZ ,recvID_XZ, id);
|
|
UnpackID(recvList_yz, recvCount_yz ,recvID_yz, id);
|
|
UnpackID(recvList_Yz, recvCount_Yz ,recvID_Yz, id);
|
|
UnpackID(recvList_yZ, recvCount_yZ ,recvID_yZ, id);
|
|
UnpackID(recvList_YZ, recvCount_YZ ,recvID_YZ, id);
|
|
//.....................................................................................
|
|
// Once the ID is saved, free memory allocated to the buffers (no longer needed)
|
|
//......................................................................................
|
|
free(sendID_x); free(sendID_X); free(sendID_y); free(sendID_Y); free(sendID_z); free(sendID_Z);
|
|
free(sendID_xy); free(sendID_XY); free(sendID_xY); free(sendID_Xy);
|
|
free(sendID_xz); free(sendID_XZ); free(sendID_xZ); free(sendID_Xz);
|
|
free(sendID_yz); free(sendID_YZ); free(sendID_yZ); free(sendID_Yz);
|
|
free(recvID_x); free(recvID_X); free(recvID_y); free(recvID_Y); free(recvID_z); free(recvID_Z);
|
|
free(recvID_xy); free(recvID_XY); free(recvID_xY); free(recvID_Xy);
|
|
free(recvID_xz); free(recvID_XZ); free(recvID_xZ); free(recvID_Xz);
|
|
free(recvID_yz); free(recvID_YZ); free(recvID_yZ); free(recvID_Yz);
|
|
//......................................................................................
|
|
if (rank==0) printf ("Devices are ready to communicate. \n");
|
|
MPI_Barrier(comm);
|
|
|
|
//...........device phase ID.................................................
|
|
if (rank==0) printf ("Copying phase ID to device \n");
|
|
char *ID;
|
|
dvc_AllocateDeviceMemory((void **) &ID, N); // Allocate device memory
|
|
// Copy to the device
|
|
dvc_CopyToDevice(ID, id, N);
|
|
//...........................................................................
|
|
|
|
if (rank==0) printf ("Allocating distributions \n");
|
|
//......................device distributions.................................
|
|
double *f_even,*f_odd;
|
|
//...........................................................................
|
|
dvc_AllocateDeviceMemory((void **) &f_even, 10*dist_mem_size); // Allocate device memory
|
|
dvc_AllocateDeviceMemory((void **) &f_odd, 9*dist_mem_size); // Allocate device memory
|
|
//...........................................................................
|
|
|
|
if (rank==0) printf("Setting the distributions, size = : %i\n", N);
|
|
//...........................................................................
|
|
dvc_InitD3Q19(ID,f_even,f_odd,Nx,Ny,Nz,nBlocks,nthreads,S);
|
|
//...........................................................................
|
|
|
|
//...........................................................................
|
|
// Grids used to pack faces on the GPU for MPI
|
|
int faceGrid,edgeGrid,packThreads;
|
|
packThreads=512;
|
|
edgeGrid=1;
|
|
faceGrid=Nx*Ny/packThreads;
|
|
//...........................................................................
|
|
|
|
int timestep = 0;
|
|
if (rank==0) printf("No. of timesteps: %i \n", timestepMax);
|
|
|
|
//.......create a stream for the LB calculation.......
|
|
// cudaStream_t stream;
|
|
// cudaStreamCreate(&stream);
|
|
|
|
//.......create and start timer............
|
|
double starttime,stoptime,cputime;
|
|
MPI_Barrier(comm);
|
|
starttime = MPI_Wtime();
|
|
// Old cuda timer is below
|
|
// cudaEvent_t start, stop;
|
|
// float time;
|
|
// cudaEventCreate(&start);
|
|
// cudaEventCreate(&stop);
|
|
// cudaEventRecord( start, 0 );
|
|
//.........................................
|
|
|
|
sendtag = recvtag = 5;
|
|
|
|
//************ MAIN ITERATION LOOP ***************************************/
|
|
while (timestep < timestepMax){
|
|
//...................................................................................
|
|
dvc_PackDist(faceGrid,packThreads,1,dvcSendList_x,0,sendCount_x,sendbuf_x,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,4,dvcSendList_x,sendCount_x,sendCount_x,sendbuf_x,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,5,dvcSendList_x,2*sendCount_x,sendCount_x,sendbuf_x,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,6,dvcSendList_x,3*sendCount_x,sendCount_x,sendbuf_x,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,7,dvcSendList_x,4*sendCount_x,sendCount_x,sendbuf_x,f_even,N);
|
|
//...Packing for X face(faceGrid,packThreads,1,7,9,11,13)................................
|
|
dvc_PackDist(faceGrid,packThreads,0,dvcSendList_X,0,sendCount_X,sendbuf_X,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,3,dvcSendList_X,sendCount_X,sendCount_X,sendbuf_X,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,4,dvcSendList_X,2*sendCount_X,sendCount_X,sendbuf_X,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,5,dvcSendList_X,3*sendCount_X,sendCount_X,sendbuf_X,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,6,dvcSendList_X,4*sendCount_X,sendCount_X,sendbuf_X,f_odd,N);
|
|
//...Packing for y face(faceGrid,packThreads,4,8,9,16,18).................................
|
|
dvc_PackDist(faceGrid,packThreads,2,dvcSendList_y,0,sendCount_y,sendbuf_y,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,4,dvcSendList_y,sendCount_y,sendCount_y,sendbuf_y,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,4,dvcSendList_y,2*sendCount_y,sendCount_y,sendbuf_y,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,8,dvcSendList_y,3*sendCount_y,sendCount_y,sendbuf_y,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,9,dvcSendList_y,4*sendCount_y,sendCount_y,sendbuf_y,f_even,N);
|
|
//...Packing for Y face(faceGrid,packThreads,3,7,10,15,17).................................
|
|
dvc_PackDist(faceGrid,packThreads,1,dvcSendList_Y,0,sendCount_Y,sendbuf_Y,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,3,dvcSendList_Y,sendCount_Y,sendCount_Y,sendbuf_Y,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,5,dvcSendList_Y,2*sendCount_Y,sendCount_Y,sendbuf_Y,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,7,dvcSendList_Y,3*sendCount_Y,sendCount_Y,sendbuf_Y,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,8,dvcSendList_Y,4*sendCount_Y,sendCount_Y,sendbuf_Y,f_odd,N);
|
|
//...Packing for z face(faceGrid,packThreads,6,12,13,16,17)................................
|
|
dvc_PackDist(faceGrid,packThreads,3,dvcSendList_z,0,sendCount_z,sendbuf_z,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,6,dvcSendList_z,sendCount_z,sendCount_z,sendbuf_z,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,6,dvcSendList_z,2*sendCount_z,sendCount_z,sendbuf_z,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,8,dvcSendList_z,3*sendCount_z,sendCount_z,sendbuf_z,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,8,dvcSendList_z,4*sendCount_z,sendCount_z,sendbuf_z,f_odd,N);
|
|
//...Packing for Z face(faceGrid,packThreads,5,11,14,15,18)................................
|
|
dvc_PackDist(faceGrid,packThreads,2,dvcSendList_Z,0,sendCount_Z,sendbuf_Z,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,5,dvcSendList_Z,sendCount_Z,sendCount_Z,sendbuf_Z,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,7,dvcSendList_Z,2*sendCount_Z,sendCount_Z,sendbuf_Z,f_even,N);
|
|
dvc_PackDist(faceGrid,packThreads,7,dvcSendList_Z,3*sendCount_Z,sendCount_Z,sendbuf_Z,f_odd,N);
|
|
dvc_PackDist(faceGrid,packThreads,9,dvcSendList_Z,4*sendCount_Z,sendCount_Z,sendbuf_Z,f_even,N);
|
|
//...Pack the xy edge (edgeGrid,packThreads,8)................................
|
|
dvc_PackDist(edgeGrid,packThreads,4,dvcSendList_xy,0,sendCount_xy,sendbuf_xy,f_even,N);
|
|
//...Pack the Xy edge (edgeGrid,packThreads,9)................................
|
|
dvc_PackDist(edgeGrid,packThreads,4,dvcSendList_Xy,0,sendCount_Xy,sendbuf_Xy,f_odd,N);
|
|
//...Pack the xY edge (edgeGrid,packThreads,10)................................
|
|
dvc_PackDist(edgeGrid,packThreads,5,dvcSendList_xY,0,sendCount_xY,sendbuf_xY,f_even,N);
|
|
//...Pack the XY edge (edgeGrid,packThreads,7)................................
|
|
dvc_PackDist(edgeGrid,packThreads,3,dvcSendList_XY,0,sendCount_XY,sendbuf_XY,f_odd,N);
|
|
//...Pack the xz edge (edgeGrid,packThreads,12)................................
|
|
dvc_PackDist(edgeGrid,packThreads,6,dvcSendList_xz,0,sendCount_xz,sendbuf_xz,f_even,N);
|
|
//...Pack the xZ edge (edgeGrid,packThreads,14)................................
|
|
dvc_PackDist(edgeGrid,packThreads,7,dvcSendList_xZ,0,sendCount_xZ,sendbuf_xZ,f_even,N);
|
|
//...Pack the Xz edge (edgeGrid,packThreads,13)................................
|
|
dvc_PackDist(edgeGrid,packThreads,6,dvcSendList_Xz,0,sendCount_Xz,sendbuf_Xz,f_odd,N);
|
|
//...Pack the XZ edge (edgeGrid,packThreads,11)................................
|
|
dvc_PackDist(edgeGrid,packThreads,5,dvcSendList_XZ,0,sendCount_XZ,sendbuf_XZ,f_odd,N);
|
|
//...Pack the xz edge (edgeGrid,packThreads,12)................................
|
|
dvc_PackDist(edgeGrid,packThreads,6,dvcSendList_xz,0,sendCount_xz,sendbuf_xz,f_even,N);
|
|
//...Pack the xZ edge (edgeGrid,packThreads,14)................................
|
|
dvc_PackDist(edgeGrid,packThreads,7,dvcSendList_xZ,0,sendCount_xZ,sendbuf_xZ,f_even,N);
|
|
//...Pack the Xz edge (edgeGrid,packThreads,13)................................
|
|
dvc_PackDist(edgeGrid,packThreads,6,dvcSendList_Xz,0,sendCount_Xz,sendbuf_Xz,f_odd,N);
|
|
//...Pack the XZ edge (edgeGrid,packThreads,11)................................
|
|
dvc_PackDist(edgeGrid,packThreads,5,dvcSendList_XZ,0,sendCount_XZ,sendbuf_XZ,f_odd,N);
|
|
//...Pack the yz edge (edgeGrid,packThreads,16)................................
|
|
dvc_PackDist(edgeGrid,packThreads,8,dvcSendList_yz,0,sendCount_yz,sendbuf_yz,f_even,N);
|
|
//...Pack the yZ edge (edgeGrid,packThreads,18)................................
|
|
dvc_PackDist(edgeGrid,packThreads,9,dvcSendList_yZ,0,sendCount_yZ,sendbuf_yZ,f_even,N);
|
|
//...Pack the Yz edge (edgeGrid,packThreads,17)................................
|
|
dvc_PackDist(edgeGrid,packThreads,8,dvcSendList_Yz,0,sendCount_Yz,sendbuf_Yz,f_odd,N);
|
|
//...Pack the YZ edge (edgeGrid,packThreads,15)................................
|
|
dvc_PackDist(edgeGrid,packThreads,7,dvcSendList_YZ,0,sendCount_YZ,sendbuf_YZ,f_odd,N);
|
|
//...................................................................................
|
|
|
|
|
|
/* dvc_PackD3Q19(faceGrid, edgeGrid, packThreads,f_even, f_odd, N,
|
|
dvcSendList_x, dvcSendList_y, dvcSendList_z, dvcSendList_X, dvcSendList_Y, dvcSendList_Z,
|
|
dvcSendList_xy, dvcSendList_XY, dvcSendList_xY, dvcSendList_Xy,
|
|
dvcSendList_xz, dvcSendList_XZ, dvcSendList_xZ, dvcSendList_Xz,
|
|
dvcSendList_yz, dvcSendList_YZ, dvcSendList_yZ, dvcSendList_Yz,
|
|
sendCount_x, sendCount_y, sendCount_z, sendCount_X, sendCount_Y, sendCount_Z,
|
|
sendCount_xy, sendCount_XY, sendCount_xY, sendCount_Xy,
|
|
sendCount_xz, sendCount_XZ, sendCount_xZ, sendCount_Xz,
|
|
sendCount_yz, sendCount_YZ, sendCount_yZ, sendCount_Yz,
|
|
sendbuf_x, sendbuf_y, sendbuf_z, sendbuf_X, sendbuf_Y, sendbuf_Z,
|
|
sendbuf_xy, sendbuf_XY, sendbuf_xY, sendbuf_Xy,
|
|
sendbuf_xz, sendbuf_XZ, sendbuf_xZ, sendbuf_Xz,
|
|
sendbuf_yz, sendbuf_YZ, sendbuf_yZ, sendbuf_Yz);
|
|
*/
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//........ Execute the swap kernel (device) .........................
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
dvc_SwapD3Q19(nBlocks,nthreads,S,ID,f_even,f_odd,Nx,Ny,Nz);
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
|
|
//...................................................................................
|
|
// Send all the distributions
|
|
MPI_Isend(sendbuf_x, 5*sendCount_x,MPI_DOUBLE,rank_X,sendtag,comm,&req1[0]);
|
|
MPI_Irecv(recvbuf_X, 5*recvCount_X,MPI_DOUBLE,rank_x,recvtag,comm,&req2[0]);
|
|
MPI_Isend(sendbuf_X, 5*sendCount_X,MPI_DOUBLE,rank_x,sendtag,comm,&req1[1]);
|
|
MPI_Irecv(recvbuf_x, 5*recvCount_x,MPI_DOUBLE,rank_X,recvtag,comm,&req2[1]);
|
|
MPI_Isend(sendbuf_y, 5*sendCount_y,MPI_DOUBLE,rank_Y,sendtag,comm,&req1[2]);
|
|
MPI_Irecv(recvbuf_Y, 5*recvCount_Y,MPI_DOUBLE,rank_y,recvtag,comm,&req2[2]);
|
|
MPI_Isend(sendbuf_Y, 5*sendCount_Y,MPI_DOUBLE,rank_y,sendtag,comm,&req1[3]);
|
|
MPI_Irecv(recvbuf_y, 5*recvCount_y,MPI_DOUBLE,rank_Y,recvtag,comm,&req2[3]);
|
|
MPI_Isend(sendbuf_z, 5*sendCount_z,MPI_DOUBLE,rank_Z,sendtag,comm,&req1[4]);
|
|
MPI_Irecv(recvbuf_Z, 5*recvCount_Z,MPI_DOUBLE,rank_z,recvtag,comm,&req2[4]);
|
|
MPI_Isend(sendbuf_Z, 5*sendCount_Z,MPI_DOUBLE,rank_z,sendtag,comm,&req1[5]);
|
|
MPI_Irecv(recvbuf_z, 5*recvCount_z,MPI_DOUBLE,rank_Z,recvtag,comm,&req2[5]);
|
|
MPI_Isend(sendbuf_xy, sendCount_xy,MPI_DOUBLE,rank_XY,sendtag,comm,&req1[6]);
|
|
MPI_Irecv(recvbuf_XY, recvCount_XY,MPI_DOUBLE,rank_xy,recvtag,comm,&req2[6]);
|
|
MPI_Isend(sendbuf_XY, sendCount_XY,MPI_DOUBLE,rank_xy,sendtag,comm,&req1[7]);
|
|
MPI_Irecv(recvbuf_xy, recvCount_xy,MPI_DOUBLE,rank_XY,recvtag,comm,&req2[7]);
|
|
MPI_Isend(sendbuf_Xy, sendCount_Xy,MPI_DOUBLE,rank_xY,sendtag,comm,&req1[8]);
|
|
MPI_Irecv(recvbuf_xY, recvCount_xY,MPI_DOUBLE,rank_Xy,recvtag,comm,&req2[8]);
|
|
MPI_Isend(sendbuf_xY, sendCount_xY,MPI_DOUBLE,rank_Xy,sendtag,comm,&req1[9]);
|
|
MPI_Irecv(recvbuf_Xy, recvCount_Xy,MPI_DOUBLE,rank_xY,recvtag,comm,&req2[9]);
|
|
MPI_Isend(sendbuf_xz, sendCount_xz,MPI_DOUBLE,rank_XZ,sendtag,comm,&req1[10]);
|
|
MPI_Irecv(recvbuf_XZ, recvCount_XZ,MPI_DOUBLE,rank_xz,recvtag,comm,&req2[10]);
|
|
MPI_Isend(sendbuf_XZ, sendCount_XZ,MPI_DOUBLE,rank_xz,sendtag,comm,&req1[11]);
|
|
MPI_Irecv(recvbuf_xz, recvCount_xz,MPI_DOUBLE,rank_XZ,recvtag,comm,&req2[11]);
|
|
MPI_Isend(sendbuf_Xz, sendCount_Xz,MPI_DOUBLE,rank_xZ,sendtag,comm,&req1[12]);
|
|
MPI_Irecv(recvbuf_xZ, recvCount_xZ,MPI_DOUBLE,rank_Xz,recvtag,comm,&req2[12]);
|
|
MPI_Isend(sendbuf_xZ, sendCount_xZ,MPI_DOUBLE,rank_Xz,sendtag,comm,&req1[13]);
|
|
MPI_Irecv(recvbuf_Xz, recvCount_Xz,MPI_DOUBLE,rank_xZ,recvtag,comm,&req2[13]);
|
|
MPI_Isend(sendbuf_yz, sendCount_yz,MPI_DOUBLE,rank_YZ,sendtag,comm,&req1[14]);
|
|
MPI_Irecv(recvbuf_YZ, recvCount_YZ,MPI_DOUBLE,rank_yz,recvtag,comm,&req2[14]);
|
|
MPI_Isend(sendbuf_YZ, sendCount_YZ,MPI_DOUBLE,rank_yz,sendtag,comm,&req1[15]);
|
|
MPI_Irecv(recvbuf_yz, recvCount_yz,MPI_DOUBLE,rank_YZ,recvtag,comm,&req2[15]);
|
|
MPI_Isend(sendbuf_Yz, sendCount_Yz,MPI_DOUBLE,rank_yZ,sendtag,comm,&req1[16]);
|
|
MPI_Irecv(recvbuf_yZ, recvCount_yZ,MPI_DOUBLE,rank_Yz,recvtag,comm,&req2[16]);
|
|
MPI_Isend(sendbuf_yZ, sendCount_yZ,MPI_DOUBLE,rank_Yz,sendtag,comm,&req1[17]);
|
|
MPI_Irecv(recvbuf_Yz, recvCount_Yz,MPI_DOUBLE,rank_yZ,recvtag,comm,&req2[17]);
|
|
//...................................................................................
|
|
|
|
//...................................................................................
|
|
// Wait for completion of D3Q19 communication
|
|
MPI_Waitall(18,req1,stat1);
|
|
MPI_Waitall(18,req2,stat2);
|
|
//...................................................................................
|
|
// Unpack the distributions on the device
|
|
//...................................................................................
|
|
//...Map recieve list for the X face: q=2,8,10,12,13 .................................
|
|
dvc_UnpackDist(faceGrid,packThreads,0,-1,0,0,dvcRecvList_X,0,recvCount_X,recvbuf_X,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,3,-1,-1,0,dvcRecvList_X,recvCount_X,recvCount_X,recvbuf_X,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,4,-1,1,0,dvcRecvList_X,2*recvCount_X,recvCount_X,recvbuf_X,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,5,-1,0,-1,dvcRecvList_X,3*recvCount_X,recvCount_X,recvbuf_X,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,6,-1,0,1,dvcRecvList_X,4*recvCount_X,recvCount_X,recvbuf_X,f_odd,Nx,Ny,Nz);
|
|
//...................................................................................
|
|
//...Map recieve list for the x face: q=1,7,9,11,13..................................
|
|
dvc_UnpackDist(faceGrid,packThreads,1,1,0,0,dvcRecvList_x,0,recvCount_x,recvbuf_x,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,4,1,1,0,dvcRecvList_x,recvCount_x,recvCount_x,recvbuf_x,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,5,1,-1,0,dvcRecvList_x,2*recvCount_x,recvCount_x,recvbuf_x,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,6,1,0,1,dvcRecvList_x,3*recvCount_x,recvCount_x,recvbuf_x,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,7,1,0,-1,dvcRecvList_x,4*recvCount_x,recvCount_x,recvbuf_x,f_even,Nx,Ny,Nz);
|
|
//...................................................................................
|
|
//...Map recieve list for the y face: q=4,8,9,16,18 ...................................
|
|
dvc_UnpackDist(faceGrid,packThreads,1,0,-1,0,dvcRecvList_Y,0,recvCount_Y,recvbuf_Y,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,3,-1,-1,0,dvcRecvList_Y,recvCount_Y,recvCount_Y,recvbuf_Y,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,5,1,-1,0,dvcRecvList_Y,2*recvCount_Y,recvCount_Y,recvbuf_Y,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,7,0,-1,-1,dvcRecvList_Y,3*recvCount_Y,recvCount_Y,recvbuf_Y,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,8,0,-1,1,dvcRecvList_Y,4*recvCount_Y,recvCount_Y,recvbuf_Y,f_odd,Nx,Ny,Nz);
|
|
//...................................................................................
|
|
//...Map recieve list for the Y face: q=3,7,10,15,17 ..................................
|
|
dvc_UnpackDist(faceGrid,packThreads,2,0,1,0,dvcRecvList_y,0,recvCount_y,recvbuf_y,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,4,1,1,0,dvcRecvList_y,recvCount_y,recvCount_y,recvbuf_y,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,4,-1,1,0,dvcRecvList_y,2*recvCount_y,recvCount_y,recvbuf_y,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,8,0,1,1,dvcRecvList_y,3*recvCount_y,recvCount_y,recvbuf_y,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,9,0,1,-1,dvcRecvList_y,4*recvCount_y,recvCount_y,recvbuf_y,f_even,Nx,Ny,Nz);
|
|
//...................................................................................
|
|
//...Map recieve list for the z face<<<faceGrid,packThreads,6,12,13,16,17)..............................................
|
|
dvc_UnpackDist(faceGrid,packThreads,2,0,0,-1,dvcRecvList_Z,0,recvCount_Z,recvbuf_Z,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,5,-1,0,-1,dvcRecvList_Z,recvCount_Z,recvCount_Z,recvbuf_Z,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,7,1,0,-1,dvcRecvList_Z,2*recvCount_Z,recvCount_Z,recvbuf_Z,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,7,0,-1,-1,dvcRecvList_Z,3*recvCount_Z,recvCount_Z,recvbuf_Z,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,9,0,1,-1,dvcRecvList_Z,4*recvCount_Z,recvCount_Z,recvbuf_Z,f_even,Nx,Ny,Nz);
|
|
//...Map recieve list for the Z face<<<faceGrid,packThreads,5,11,14,15,18)..............................................
|
|
dvc_UnpackDist(faceGrid,packThreads,3,0,0,1,dvcRecvList_z,0,recvCount_z,recvbuf_z,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,6,1,0,1,dvcRecvList_z,recvCount_z,recvCount_z,recvbuf_z,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,6,-1,0,1,dvcRecvList_z,2*recvCount_z,recvCount_z,recvbuf_z,f_odd,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,8,0,1,1,dvcRecvList_z,3*recvCount_z,recvCount_z,recvbuf_z,f_even,Nx,Ny,Nz);
|
|
dvc_UnpackDist(faceGrid,packThreads,8,0,-1,1,dvcRecvList_z,4*recvCount_z,recvCount_z,recvbuf_z,f_odd,Nx,Ny,Nz);
|
|
//..................................................................................
|
|
//...Map recieve list for the xy edge <<<edgeGrid,packThreads,8)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,3,-1,-1,0,dvcRecvList_XY,0,recvCount_XY,recvbuf_XY,f_odd,Nx,Ny,Nz);
|
|
//...Map recieve list for the Xy edge <<<edgeGrid,packThreads,9)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,5,1,-1,0,dvcRecvList_xY,0,recvCount_xY,recvbuf_xY,f_even,Nx,Ny,Nz);
|
|
//...Map recieve list for the xY edge <<<edgeGrid,packThreads,10)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,4,-1,1,0,dvcRecvList_Xy,0,recvCount_Xy,recvbuf_Xy,f_odd,Nx,Ny,Nz);
|
|
//...Map recieve list for the XY edge <<<edgeGrid,packThreads,7)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,4,1,1,0,dvcRecvList_xy,0,recvCount_xy,recvbuf_xy,f_even,Nx,Ny,Nz);
|
|
//...Map recieve list for the xz edge <<<edgeGrid,packThreads,12)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,5,-1,0,-1,dvcRecvList_XZ,0,recvCount_XZ,recvbuf_XZ,f_odd,Nx,Ny,Nz);
|
|
//...Map recieve list for the xZ edge <<<edgeGrid,packThreads,14)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,6,-1,0,1,dvcRecvList_Xz,0,recvCount_Xz,recvbuf_Xz,f_odd,Nx,Ny,Nz);
|
|
//...Map recieve list for the Xz edge <<<edgeGrid,packThreads,13)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,7,1,0,-1,dvcRecvList_xZ,0,recvCount_xZ,recvbuf_xZ,f_even,Nx,Ny,Nz);
|
|
//...Map recieve list for the XZ edge <<<edgeGrid,packThreads,11)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,6,1,0,1,dvcRecvList_xz,0,recvCount_xz,recvbuf_xz,f_even,Nx,Ny,Nz);
|
|
//...Map recieve list for the yz edge <<<edgeGrid,packThreads,16)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,7,0,-1,-1,dvcRecvList_YZ,0,recvCount_YZ,recvbuf_YZ,f_odd,Nx,Ny,Nz);
|
|
//...Map recieve list for the yZ edge <<<edgeGrid,packThreads,18)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,8,0,-1,1,dvcRecvList_Yz,0,recvCount_Yz,recvbuf_Yz,f_odd,Nx,Ny,Nz);
|
|
//...Map recieve list for the Yz edge <<<edgeGrid,packThreads,17)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,9,0,1,-1,dvcRecvList_yZ,0,recvCount_yZ,recvbuf_yZ,f_even,Nx,Ny,Nz);
|
|
//...Map recieve list for the YZ edge <<<edgeGrid,packThreads,15)................................
|
|
dvc_UnpackDist(edgeGrid,packThreads,8,0,1,1,dvcRecvList_yz,0,recvCount_yz,recvbuf_yz,f_even,Nx,Ny,Nz);
|
|
//...................................................................................
|
|
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//........ Execute the collision kernel (device) ....................
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
dvc_MRT(nBlocks,nthreads,S,ID, f_even, f_odd, rlx_setA, rlx_setB, Fx, Fy, Fz,Nx,Ny,Nz);
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
//*****************************************************************************
|
|
|
|
MPI_Barrier(comm);
|
|
// Iteration completed!
|
|
timestep++;
|
|
//...................................................................
|
|
}
|
|
//************************************************************************/
|
|
|
|
// cudaThreadSynchronize();
|
|
dvc_Barrier();
|
|
MPI_Barrier(comm);
|
|
stoptime = MPI_Wtime();
|
|
// cout << "CPU time: " << (stoptime - starttime) << " seconds" << endl;
|
|
cputime = stoptime - starttime;
|
|
// cout << "Lattice update rate: "<< double(Nx*Ny*Nz*timestep)/cputime/1000000 << " MLUPS" << endl;
|
|
double MLUPS = double(Nx*Ny*Nz*timestep)/cputime/1000000;
|
|
|
|
if (rank==0) printf("CPU time = %f \n", cputime);
|
|
if (rank==0) printf("Lattice update rate = %f MLUPS \n", MLUPS);
|
|
//.......... stop and destroy timer.............................
|
|
// cudaEventRecord( stop, stream);
|
|
// cudaEventSynchronize( stop );
|
|
// cudaEventElapsedTime( &time, start, stop );
|
|
// printf("CPU time = %f \n", time);
|
|
// float MLUPS = 0.001*float(Nx*Ny*Nz)*timestep/time;
|
|
// printf("MLUPS = %f \n", MLUPS);
|
|
|
|
// cudaStreamDestroy(stream);
|
|
// cudaEventDestroy( start );
|
|
// cudaEventDestroy( stop );
|
|
//..............................................................
|
|
|
|
//..............................................................
|
|
//.........Compute the velocity and copy result to host ........
|
|
// double *velocity;
|
|
// velocity = new double[3*N];
|
|
//......................device distributions....................................
|
|
// double *vel;
|
|
//..............................................................................
|
|
// dvc_AllocateDeviceMemory((void **) &vel, 3*dist_mem_size); // Allocate device memory
|
|
//..............................................................................
|
|
//..............................................................................
|
|
// dvc_CopyToDevice(velocity, vel, 3*dist_mem_size, dvc_CopyToDeviceDeviceToHost);
|
|
//..............................................................................
|
|
// cudaThreadSynchronize();
|
|
// MPI_Barrier(comm);
|
|
//............................................................
|
|
//....Write the z-velocity to test poiseuille flow............
|
|
// double vz,vz_avg;
|
|
// vz_avg = 0.0;
|
|
|
|
// FILE *output;
|
|
// output = fopen("velocity.out","w");
|
|
// for (int k=0; k<1; k++){
|
|
// for (int j=0; j<1; j++){
|
|
// for (int i=0; i<Nx; i++){
|
|
// int n = k*Nx*Ny+j*Nx+i;
|
|
// //.....print value........
|
|
// vz = velocity[2*N+n];
|
|
// vz_avg += vz;
|
|
// fprintf(output, " %e",vz);
|
|
// }
|
|
// }
|
|
// }
|
|
// fclose(output);
|
|
|
|
// vz = vz_avg/double(sum);
|
|
// printf("Average Velocity = %e\n", vz);
|
|
|
|
// cleanup
|
|
// cudaFree(f_even); cudaFree(f_odd); cudaFree(vel); cudaFree(ID);
|
|
// free (velocity); free(id);
|
|
|
|
// ****************************************************
|
|
MPI_Barrier(comm);
|
|
MPI_Finalize();
|
|
// ****************************************************
|
|
}
|