fjosw/lattice-benchmarks
1
0
Fork 0
forked from portelli/lattice-benchmarks
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix bug that made benchmark_quda hang randomly

Browse Source
This commit is contained in:
Simon Bürger
2023-06-21 14:42:03 +01:00
parent fb4c456776
commit 6fa2e6bcd0
2 changed files with 6 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
Quda/Benchmark_Quda.cpp
View File

@@ -4,6 +4,7 @@
#include <cassert>
#include <chrono>
#include <color_spinor_field.h>
#include <communicator_quda.h>
#include <dirac_quda.h>
#include <fstream>
#include <gauge_tools.h>
@@ -51,6 +52,10 @@ template <class F> double bench(F const &f, double target_time, int niter_warmup
// niter = std::min(1000, niter);
// printfQuda("during warmup took %f s/iter, deciding on %d iters\n", secs, niter);
// important: each rank has its own timer, so their measurements can slightly vary. But
// 'niter' needs to be consistent (bug took me a couple hours to track down)
comm_broadcast_global(&niter, sizeof(niter), 0);
timer.reset(__FUNCTION__, __FILE__, __LINE__);
timer.start();
for (int iter = 0; iter < niter; ++iter)

2
Quda/build-benchmark.sh
View File

@@ -28,5 +28,5 @@ mkdir -p "${PREFIX_DIR}"
LINK_FLAGS="-Wl,-rpath,$QUDA_DIR/lib: $QUDA_DIR/lib/libquda.so $EXTRA_LIBS -lpthread -lmpi"
g++ $BUILD_FLAGS -I$QUDA_DIR/include -c -o $BUILD_DIR/Benchmark_Quda.o $script_dir/Benchmark_Quda.cpp
g++ $BUILD_FLAGS -I$QUDA_DIR/include/targets/cuda -I$QUDA_DIR/include -c -o $BUILD_DIR/Benchmark_Quda.o $script_dir/Benchmark_Quda.cpp
g++ -g -O3 $BUILD_DIR/Benchmark_Quda.o -o $PREFIX_DIR/Benchmark_Quda $LINK_FLAGS -lmpi