50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
|
|
||
|
#include "benchmark/benchmark.h"
|
||
|
|
||
|
#include <cassert>
|
||
|
#include <memory>
|
||
|
|
||
|
class MyFixture : public ::benchmark::Fixture {
|
||
|
public:
|
||
|
void SetUp(const ::benchmark::State& state) {
|
||
|
if (state.thread_index == 0) {
|
||
|
assert(data.get() == nullptr);
|
||
|
data.reset(new int(42));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void TearDown(const ::benchmark::State& state) {
|
||
|
if (state.thread_index == 0) {
|
||
|
assert(data.get() != nullptr);
|
||
|
data.reset();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
~MyFixture() { assert(data == nullptr); }
|
||
|
|
||
|
std::unique_ptr<int> data;
|
||
|
};
|
||
|
|
||
|
BENCHMARK_F(MyFixture, Foo)(benchmark::State &st) {
|
||
|
assert(data.get() != nullptr);
|
||
|
assert(*data == 42);
|
||
|
for (auto _ : st) {
|
||
|
}
|
||
|
}
|
||
|
|
||
|
BENCHMARK_DEFINE_F(MyFixture, Bar)(benchmark::State& st) {
|
||
|
if (st.thread_index == 0) {
|
||
|
assert(data.get() != nullptr);
|
||
|
assert(*data == 42);
|
||
|
}
|
||
|
for (auto _ : st) {
|
||
|
assert(data.get() != nullptr);
|
||
|
assert(*data == 42);
|
||
|
}
|
||
|
st.SetItemsProcessed(st.range(0));
|
||
|
}
|
||
|
BENCHMARK_REGISTER_F(MyFixture, Bar)->Arg(42);
|
||
|
BENCHMARK_REGISTER_F(MyFixture, Bar)->Arg(42)->ThreadPerCpu();
|
||
|
|
||
|
BENCHMARK_MAIN();
|