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avoid NaN for variance from average output

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Axel Kohlmeyer
2016-11-13 18:46:55 -05:00
parent 8e0fd88697
commit b5130a3b35
1 changed files with 2 additions and 2 deletions
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4
src/finish.cpp
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@ -865,7 +865,7 @@ void mpi_timings(const char *label, Timer *t, enum Timer::ttype tt,
time_cpu = tmp/nprocs*100.0;
// % variance from the average as measure of load imbalance
if (time > 1.0e-10)
if ((time_sq/time - time) > 1.0e-10)
time_sq = sqrt(time_sq/time - time)*100.0;
else
time_sq = 0.0;
@ -917,7 +917,7 @@ void omp_times(FixOMP *fix, const char *label, enum Timer::ttype which,
time_std /= nthreads;
time_total /= nthreads;
if (time_avg > 1.0e-10)
if ((time_std/time_avg -time_avg) > 1.0e-10)
time_std = sqrt(time_std/time_avg - time_avg)*100.0;
else
time_std = 0.0;