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64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
#undef NDEBUG
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#include <cassert>
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#include <cstddef>
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#include "benchmark/benchmark.h"
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#if __cplusplus >= 201103L
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#error C++11 or greater detected. Should be C++03.
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#endif
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#ifdef BENCHMARK_HAS_CXX11
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#error C++11 or greater detected by the library. BENCHMARK_HAS_CXX11 is defined.
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#endif
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void BM_empty(benchmark::State& state) {
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while (state.KeepRunning()) {
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volatile std::size_t x = state.iterations();
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((void)x);
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}
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}
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BENCHMARK(BM_empty);
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// The new C++11 interface for args/ranges requires initializer list support.
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// Therefore we provide the old interface to support C++03.
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void BM_old_arg_range_interface(benchmark::State& state) {
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assert((state.range(0) == 1 && state.range(1) == 2) ||
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(state.range(0) == 5 && state.range(1) == 6));
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while (state.KeepRunning()) {
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}
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}
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BENCHMARK(BM_old_arg_range_interface)->ArgPair(1, 2)->RangePair(5, 5, 6, 6);
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template <class T, class U>
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void BM_template2(benchmark::State& state) {
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BM_empty(state);
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}
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BENCHMARK_TEMPLATE2(BM_template2, int, long);
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template <class T>
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void BM_template1(benchmark::State& state) {
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BM_empty(state);
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}
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BENCHMARK_TEMPLATE(BM_template1, long);
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BENCHMARK_TEMPLATE1(BM_template1, int);
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template <class T>
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struct BM_Fixture : public ::benchmark::Fixture {
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};
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BENCHMARK_TEMPLATE_F(BM_Fixture, BM_template1, long)(benchmark::State& state) {
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BM_empty(state);
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}
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BENCHMARK_TEMPLATE1_F(BM_Fixture, BM_template2, int)(benchmark::State& state) {
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BM_empty(state);
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}
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void BM_counters(benchmark::State& state) {
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BM_empty(state);
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state.counters["Foo"] = 2;
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}
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BENCHMARK(BM_counters);
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BENCHMARK_MAIN();
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