LBPM/common/Communication.cpp
2023-10-23 04:18:20 -04:00

108 lines
3.8 KiB
C++

/*
Copyright 2013--2018 James E. McClure, Virginia Polytechnic & State University
Copyright Equnior ASA
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common/Communication.h"
/********************************************************
* Structure to store the rank info *
********************************************************/
int RankInfoStruct::getRankForBlock(int i, int j, int k) const {
int i2 = (i + nx) % nx;
int j2 = (j + ny) % ny;
int k2 = (k + nz) % nz;
return i2 + j2 * nx + k2 * nx * ny;
}
RankInfoStruct::RankInfoStruct() {
nx = 0;
ny = 0;
nz = 0;
ix = -1;
jy = -1;
kz = -1;
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
for (int k = -1; k <= 1; k++) {
rank[i + 1][j + 1][k + 1] = -1;
}
}
}
}
RankInfoStruct::RankInfoStruct(int rank0, int nprocx, int nprocy, int nprocz) {
memset(this, 0, sizeof(RankInfoStruct));
nx = nprocx;
ny = nprocy;
nz = nprocz;
if (rank0 >= nprocx * nprocy * nprocz) {
ix = -1;
jy = -1;
kz = -1;
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
for (int k = -1; k <= 1; k++) {
rank[i + 1][j + 1][k + 1] = -1;
}
}
}
} else {
ix = rank0 % nprocx;
jy = (rank0 / nprocx) % nprocy;
kz = rank0 / (nprocx * nprocy);
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
for (int k = -1; k <= 1; k++) {
rank[i + 1][j + 1][k + 1] =
getRankForBlock(ix + i, jy + j, kz + k);
}
}
}
ASSERT(rank[1][1][1] == rank0);
}
}
/********************************************************
* Deprecated functions *
********************************************************/
void InitializeRanks(const int rank, const int nprocx, const int nprocy,
const int nprocz, int &iproc, int &jproc, int &kproc,
int &rank_x, int &rank_y, int &rank_z, int &rank_X,
int &rank_Y, int &rank_Z, int &rank_xy, int &rank_XY,
int &rank_xY, int &rank_Xy, int &rank_xz, int &rank_XZ,
int &rank_xZ, int &rank_Xz, int &rank_yz, int &rank_YZ,
int &rank_yZ, int &rank_Yz) {
const RankInfoStruct data(rank, nprocx, nprocy, nprocz);
iproc = data.ix;
jproc = data.jy;
kproc = data.kz;
rank_X = data.rank[2][1][1];
rank_x = data.rank[0][1][1];
rank_Y = data.rank[1][2][1];
rank_y = data.rank[1][0][1];
rank_Z = data.rank[1][1][2];
rank_z = data.rank[1][1][0];
rank_XY = data.rank[2][2][1];
rank_xy = data.rank[0][0][1];
rank_Xy = data.rank[2][0][1];
rank_xY = data.rank[0][2][1];
rank_XZ = data.rank[2][1][2];
rank_xz = data.rank[0][1][0];
rank_Xz = data.rank[2][1][0];
rank_xZ = data.rank[0][1][2];
rank_YZ = data.rank[1][2][2];
rank_yz = data.rank[1][0][0];
rank_Yz = data.rank[1][2][0];
rank_yZ = data.rank[1][0][2];
}