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-rw-r--r--lib/libcxx/utils/google-benchmark/test/basic_test.cc136
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();