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Point-to-Point latency #7

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simon.buerger wants to merge 5 commits from simon.buerger/lattice-benchmarks:latency_benchmark into main
pull from: simon.buerger/lattice-benchmarks:latency_benchmark
merge into: portelli:main
Conversation 0 Commits 5 Files Changed 1 +9 -9
1 changed files with 9 additions and 9 deletions
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Grid/Benchmark_Grid.cpp
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@ -264,7 +264,7 @@ class Benchmark
return; return;
} }
static void PointToPoint(void) static void Latency(void)
{ {
int Nloop = 200; int Nloop = 200;
@ -273,7 +273,7 @@ class Benchmark
std::cout << GridLogMessage << "Benchmarking point-to-point latency" << std::endl; std::cout << GridLogMessage << "Benchmarking point-to-point latency" << std::endl;
grid_small_sep(); grid_small_sep();
grid_printf("from to mean(usec) err min\n"); grid_printf("from to mean(usec) err min\n");
int lat = 8; // dummy lattice size. Not actually used. int lat = 8; // dummy lattice size. Not actually used.
Coordinate latt_size({lat * mpi_layout[0], lat * mpi_layout[1], lat * mpi_layout[2], Coordinate latt_size({lat * mpi_layout[0], lat * mpi_layout[1], lat * mpi_layout[2],
@ -291,7 +291,7 @@ class Benchmark
int bytes = 8; int bytes = 8;
void *buf_from = acceleratorAllocDevice(bytes); void *buf_from = acceleratorAllocDevice(bytes);
void *buf_to = acceleratorAllocDevice(bytes); void *buf_to = acceleratorAllocDevice(bytes);
nlohmann::json json_p2p; nlohmann::json json_latency;
for (int from = 0; from < ranks; ++from) for (int from = 0; from < ranks; ++from)
for (int to = 0; to < ranks; ++to) for (int to = 0; to < ranks; ++to)
{ {
@ -335,9 +335,9 @@ class Benchmark
tmp["time_usec"] = timestat.mean; tmp["time_usec"] = timestat.mean;
tmp["time_usec_error"] = timestat.err; tmp["time_usec_error"] = timestat.err;
tmp["time_usec_max"] = timestat.min; tmp["time_usec_max"] = timestat.min;
json_p2p.push_back(tmp); json_latency.push_back(tmp);
} }
json_results["latency"] = json_p2p; json_results["latency"] = json_latency;
acceleratorFreeDevice(buf_from); acceleratorFreeDevice(buf_from);
acceleratorFreeDevice(buf_to); acceleratorFreeDevice(buf_to);
@ -884,7 +884,7 @@ int main(int argc, char **argv)
int do_su4 = 1; int do_su4 = 1;
int do_memory = 1; int do_memory = 1;
int do_comms = 1; int do_comms = 1;
int do_p2p = 1; int do_latency = 1;
int do_flops = 1; int do_flops = 1;
int Ls = 1; int Ls = 1;
@ -920,12 +920,12 @@ int main(int argc, char **argv)
Benchmark::Comms(); Benchmark::Comms();
} }
if (do_p2p) if (do_latency)
{ {
grid_big_sep(); grid_big_sep();
std::cout << GridLogMessage << " Point-to-Point benchmark " << std::endl; std::cout << GridLogMessage << " Latency benchmark " << std::endl;
grid_big_sep(); grid_big_sep();
Benchmark::PointToPoint(); Benchmark::Latency();
} }
if (do_flops) if (do_flops)