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Updating calculation of bandwidth

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This commit is contained in:
Mark Berrill 2022-02-10 16:47:37 -05:00
parent 074ea746f2
commit 61e0714595
1 changed files with 3 additions and 3 deletions
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6
tests/TestCommD3Q19.cpp
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@ -430,11 +430,11 @@ int main(int argc, char **argv)
// 18 reads and 18 writes for each lattice site
double MemoryRefs = double(Np)*36;
// number of memory references for the swap algorithm - GigaBytes / second
if (rank==0) printf("DRAM bandwidth (per process)= %f GB/sec \n",MemoryRefs*8*double(timestep)*1e-9);
if (rank==0) printf("DRAM bandwidth (per process)= %f GB/sec \n",MemoryRefs*8*double(timestep)/cputime*1e-9);
// Report bandwidth in Gigabits per second
// communication bandwidth includes both send and recieve
if (rank==0) printf("Communication bandwidth (per process)= %f Gbit/sec \n",ScaLBL_Comm.CommunicationCount*64*timestep/1e9);
if (rank==0) printf("Aggregated communication bandwidth = %f Gbit/sec \n",nprocs*ScaLBL_Comm.CommunicationCount*64*timestep/1e9);
if (rank==0) printf("Communication bandwidth (per process)= %f Gbit/sec \n",ScaLBL_Comm.CommunicationCount*64*timestep/cputime*1e-9);
if (rank==0) printf("Aggregated communication bandwidth = %f Gbit/sec \n",nprocs*ScaLBL_Comm.CommunicationCount*64*timestep/cputime*1e-9);
cout << flush;
}