diff options
Diffstat (limited to 'lib/libcxx/utils/google-benchmark/test/basic_test.cc')
-rw-r--r-- | lib/libcxx/utils/google-benchmark/test/basic_test.cc | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/lib/libcxx/utils/google-benchmark/test/basic_test.cc b/lib/libcxx/utils/google-benchmark/test/basic_test.cc deleted file mode 100644 index d07fbc00b15..00000000000 --- a/lib/libcxx/utils/google-benchmark/test/basic_test.cc +++ /dev/null @@ -1,136 +0,0 @@ - -#include "benchmark/benchmark.h" - -#define BASIC_BENCHMARK_TEST(x) BENCHMARK(x)->Arg(8)->Arg(512)->Arg(8192) - -void BM_empty(benchmark::State& state) { - for (auto _ : state) { - benchmark::DoNotOptimize(state.iterations()); - } -} -BENCHMARK(BM_empty); -BENCHMARK(BM_empty)->ThreadPerCpu(); - -void BM_spin_empty(benchmark::State& state) { - for (auto _ : state) { - for (int x = 0; x < state.range(0); ++x) { - benchmark::DoNotOptimize(x); - } - } -} -BASIC_BENCHMARK_TEST(BM_spin_empty); -BASIC_BENCHMARK_TEST(BM_spin_empty)->ThreadPerCpu(); - -void BM_spin_pause_before(benchmark::State& state) { - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } - for (auto _ : state) { - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } - } -} -BASIC_BENCHMARK_TEST(BM_spin_pause_before); -BASIC_BENCHMARK_TEST(BM_spin_pause_before)->ThreadPerCpu(); - -void BM_spin_pause_during(benchmark::State& state) { - for (auto _ : state) { - state.PauseTiming(); - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } - state.ResumeTiming(); - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } - } -} -BASIC_BENCHMARK_TEST(BM_spin_pause_during); -BASIC_BENCHMARK_TEST(BM_spin_pause_during)->ThreadPerCpu(); - -void BM_pause_during(benchmark::State& state) { - for (auto _ : state) { - state.PauseTiming(); - state.ResumeTiming(); - } -} -BENCHMARK(BM_pause_during); -BENCHMARK(BM_pause_during)->ThreadPerCpu(); -BENCHMARK(BM_pause_during)->UseRealTime(); -BENCHMARK(BM_pause_during)->UseRealTime()->ThreadPerCpu(); - -void BM_spin_pause_after(benchmark::State& state) { - for (auto _ : state) { - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } - } - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } -} -BASIC_BENCHMARK_TEST(BM_spin_pause_after); -BASIC_BENCHMARK_TEST(BM_spin_pause_after)->ThreadPerCpu(); - -void BM_spin_pause_before_and_after(benchmark::State& state) { - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } - for (auto _ : state) { - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } - } - for (int i = 0; i < state.range(0); ++i) { - benchmark::DoNotOptimize(i); - } -} -BASIC_BENCHMARK_TEST(BM_spin_pause_before_and_after); -BASIC_BENCHMARK_TEST(BM_spin_pause_before_and_after)->ThreadPerCpu(); - -void BM_empty_stop_start(benchmark::State& state) { - for (auto _ : state) { - } -} -BENCHMARK(BM_empty_stop_start); -BENCHMARK(BM_empty_stop_start)->ThreadPerCpu(); - - -void BM_KeepRunning(benchmark::State& state) { - size_t iter_count = 0; - assert(iter_count == state.iterations()); - while (state.KeepRunning()) { - ++iter_count; - } - assert(iter_count == state.iterations()); -} -BENCHMARK(BM_KeepRunning); - -void BM_KeepRunningBatch(benchmark::State& state) { - // Choose a prime batch size to avoid evenly dividing max_iterations. - const size_t batch_size = 101; - size_t iter_count = 0; - while (state.KeepRunningBatch(batch_size)) { - iter_count += batch_size; - } - assert(state.iterations() == iter_count); -} -BENCHMARK(BM_KeepRunningBatch); - -void BM_RangedFor(benchmark::State& state) { - size_t iter_count = 0; - for (auto _ : state) { - ++iter_count; - } - assert(iter_count == state.max_iterations); -} -BENCHMARK(BM_RangedFor); - -// Ensure that StateIterator provides all the necessary typedefs required to -// instantiate std::iterator_traits. -static_assert(std::is_same< - typename std::iterator_traits<benchmark::State::StateIterator>::value_type, - typename benchmark::State::StateIterator::value_type>::value, ""); - -BENCHMARK_MAIN(); |