52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
|
|
// SPDX-License-Identifier: BSD-2-Clause
|
||
|
|
|
||
|
|
// This code is part of the sfizz library and is licensed under a BSD 2-clause
|
||
|
|
// license. You should have receive a LICENSE.md file along with the code.
|
||
|
|
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
|
||
|
|
|
||
|
|
#include <benchmark/benchmark.h>
|
||
|
|
#include <chrono>
|
||
|
|
|
||
|
|
class Clock : public benchmark::Fixture {
|
||
|
|
public:
|
||
|
|
void SetUp(const ::benchmark::State& state) {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void TearDown(const ::benchmark::State& state [[maybe_unused]]) {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
std::chrono::time_point<std::chrono::high_resolution_clock> hires;
|
||
|
|
std::chrono::time_point<std::chrono::steady_clock> steady;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
BENCHMARK_DEFINE_F(Clock, HighRes)(benchmark::State& state) {
|
||
|
|
for (auto _ : state)
|
||
|
|
{
|
||
|
|
hires = std::chrono::high_resolution_clock::now();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BENCHMARK_DEFINE_F(Clock, Steady)(benchmark::State& state) {
|
||
|
|
for (auto _ : state)
|
||
|
|
{
|
||
|
|
steady = std::chrono::steady_clock::now();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Just checking that stuff happens..
|
||
|
|
BENCHMARK_DEFINE_F(Clock, Both)(benchmark::State& state) {
|
||
|
|
for (auto _ : state)
|
||
|
|
{
|
||
|
|
hires = std::chrono::high_resolution_clock::now();
|
||
|
|
steady = std::chrono::steady_clock::now();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BENCHMARK_REGISTER_F(Clock, HighRes);
|
||
|
|
BENCHMARK_REGISTER_F(Clock, Steady);
|
||
|
|
BENCHMARK_REGISTER_F(Clock, Both);
|
||
|
|
BENCHMARK_MAIN();
|