blob: 62b5b955a9f5dc2e809c5622220d6d5e8f2ae263 [file] [log] [blame]
#undef NDEBUG
#include <chrono>
#include <thread>
#include "../src/timers.h"
#include "benchmark/benchmark.h"
#include "output_test.h"
static const std::chrono::duration<double, std::milli> time_frame(50);
static const double time_frame_in_sec(
std::chrono::duration_cast<std::chrono::duration<double, std::ratio<1, 1>>>(
time_frame)
.count());
void MyBusySpinwait() {
const auto start = benchmark::ChronoClockNow();
while (true) {
const auto now = benchmark::ChronoClockNow();
const auto elapsed = now - start;
if (std::chrono::duration<double, std::chrono::seconds::period>(elapsed) >=
time_frame)
return;
}
}
// ========================================================================= //
// --------------------------- TEST CASES BEGIN ---------------------------- //
// ========================================================================= //
// ========================================================================= //
// BM_MainThread
void BM_MainThread(benchmark::State& state) {
for (auto _ : state) {
MyBusySpinwait();
state.SetIterationTime(time_frame_in_sec);
}
state.counters["invtime"] =
benchmark::Counter{1, benchmark::Counter::kIsRate};
}
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(1);
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(1)->UseRealTime();
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(1)->UseManualTime();
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(1)->MeasureProcessCPUTime();
BENCHMARK(BM_MainThread)
->Iterations(1)
->Threads(1)
->MeasureProcessCPUTime()
->UseRealTime();
BENCHMARK(BM_MainThread)
->Iterations(1)
->Threads(1)
->MeasureProcessCPUTime()
->UseManualTime();
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(2);
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(2)->UseRealTime();
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(2)->UseManualTime();
BENCHMARK(BM_MainThread)->Iterations(1)->Threads(2)->MeasureProcessCPUTime();
BENCHMARK(BM_MainThread)
->Iterations(1)
->Threads(2)
->MeasureProcessCPUTime()
->UseRealTime();
BENCHMARK(BM_MainThread)
->Iterations(1)
->Threads(2)
->MeasureProcessCPUTime()
->UseManualTime();
// ========================================================================= //
// BM_WorkerThread
void BM_WorkerThread(benchmark::State& state) {
for (auto _ : state) {
std::thread Worker(&MyBusySpinwait);
Worker.join();
state.SetIterationTime(time_frame_in_sec);
}
state.counters["invtime"] =
benchmark::Counter{1, benchmark::Counter::kIsRate};
}
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(1);
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(1)->UseRealTime();
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(1)->UseManualTime();
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(1)->MeasureProcessCPUTime();
BENCHMARK(BM_WorkerThread)
->Iterations(1)
->Threads(1)
->MeasureProcessCPUTime()
->UseRealTime();
BENCHMARK(BM_WorkerThread)
->Iterations(1)
->Threads(1)
->MeasureProcessCPUTime()
->UseManualTime();
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(2);
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(2)->UseRealTime();
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(2)->UseManualTime();
BENCHMARK(BM_WorkerThread)->Iterations(1)->Threads(2)->MeasureProcessCPUTime();
BENCHMARK(BM_WorkerThread)
->Iterations(1)
->Threads(2)
->MeasureProcessCPUTime()
->UseRealTime();
BENCHMARK(BM_WorkerThread)
->Iterations(1)
->Threads(2)
->MeasureProcessCPUTime()
->UseManualTime();
// ========================================================================= //
// BM_MainThreadAndWorkerThread
void BM_MainThreadAndWorkerThread(benchmark::State& state) {
for (auto _ : state) {
std::thread Worker(&MyBusySpinwait);
MyBusySpinwait();
Worker.join();
state.SetIterationTime(time_frame_in_sec);
}
state.counters["invtime"] =
benchmark::Counter{1, benchmark::Counter::kIsRate};
}
BENCHMARK(BM_MainThreadAndWorkerThread)->Iterations(1)->Threads(1);
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(1)
->UseRealTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(1)
->UseManualTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(1)
->MeasureProcessCPUTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(1)
->MeasureProcessCPUTime()
->UseRealTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(1)
->MeasureProcessCPUTime()
->UseManualTime();
BENCHMARK(BM_MainThreadAndWorkerThread)->Iterations(1)->Threads(2);
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(2)
->UseRealTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(2)
->UseManualTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(2)
->MeasureProcessCPUTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(2)
->MeasureProcessCPUTime()
->UseRealTime();
BENCHMARK(BM_MainThreadAndWorkerThread)
->Iterations(1)
->Threads(2)
->MeasureProcessCPUTime()
->UseManualTime();
// ========================================================================= //
// ---------------------------- TEST CASES END ----------------------------- //
// ========================================================================= //
int main(int argc, char* argv[]) { RunOutputTests(argc, argv); }