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Pulled useful changes from the benchmark branch. GPUDirect RDMA (unpinned) is now the default for MPI communication.

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jpekkila
2020-07-29 16:39:24 +03:00
parent 6cab3586cf
commit 003c202e8c
4 changed files with 238 additions and 22 deletions
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14
samples/benchmark/main.cc
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@@ -207,24 +207,18 @@ main(int argc, char** argv)
results[nth_percentile * num_iters], 100 * nth_percentile);
char path[4096] = "";
if (test == TEST_STRONG_SCALING)
strncpy(path, "strong_scaling.csv", sizeof(path));
else if (test == TEST_WEAK_SCALING)
strncpy(path, "weak_scaling.csv", sizeof(path));
else
ERROR("Invalid test type");
sprintf(path, "%s_%d.csv", test == TEST_STRONG_SCALING ? "strong" : "weak", nprocs);
FILE* fp = fopen(path, "a");
ERRCHK_ALWAYS(fp);
// Format
// nprocs, measured (ms)
fprintf(fp, "%d, %g\n", nprocs, results[nth_percentile * num_iters]);
// nprocs, min, 50th perc, 90th perc, max
fprintf(fp, "%d, %g, %g, %g, %g\n", nprocs, results[0], results[0.5 * num_iters], results[nth_percentile * num_iters], results[num_iters-1]);
fclose(fp);
}
/*
const size_t num_iters = 100;
const size_t num_iters = 1000;
const double nth_percentile = 0.90;
std::vector<double> results; // ms