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benchmark-quda #3

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simon.buerger wants to merge 16 commits from simon.buerger/lattice-benchmarks:benchmark-quda into main
pull from: simon.buerger/lattice-benchmarks:benchmark-quda
merge into: portelli:main
Conversation 1 Commits 16 Files Changed 7 +6 -1
2 changed files with 6 additions and 1 deletions
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5
Quda/Benchmark_Quda.cpp
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@ -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
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@ -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