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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@8530 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2012-08-06 21:05:10 +00:00
parent 3f5513cc1e
commit 9631345b05
11 changed files with 30 additions and 21 deletions
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13
src/finish.cpp
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@ -419,6 +419,7 @@ void Finish::end(int flag)
// FFT timing statistics
// time3d,time1d = total time during run for 3d and 1d FFTs
// loop on timing() until nsample FFTs require at least 1.0 CPU sec
// time_kspace may be 0.0 if another partition is doing Kspace
if (fftflag) {
@ -429,9 +430,13 @@ void Finish::end(int flag)
int nsteps = update->nsteps;
int nsample = 5;
double time3d,time1d;
force->kspace->timing(nsample,time3d,time1d);
int nsample = 1;
int nfft = force->kspace->timing(nsample,time3d,time1d);
while (time3d < 1.0 || time1d < 1.0) {
nsample *= 5;
nfft = force->kspace->timing(nsample,time3d,time1d);
}
time3d = nsteps * time3d / nsample;
MPI_Allreduce(&time3d,&tmp,1,MPI_DOUBLE,MPI_SUM,world);
@ -453,8 +458,8 @@ void Finish::end(int flag)
if (nsteps) {
if (time_kspace) fraction = time3d/time_kspace*100.0;
else fraction = 0.0;
flop3 = nflops/1.0e9/(time3d/4.0/nsteps);
flop1 = nflops/1.0e9/(time1d/4.0/nsteps);
flop3 = nfft*nflops/1.0e9/(time3d/nsteps);
flop1 = nfft*nflops/1.0e9/(time1d/nsteps);
} else fraction = flop3 = flop1 = 0.0;
if (me == 0) {