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