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//===----------------------------------------------------------------------===// | |
// | |
// The LLVM Compiler Infrastructure | |
// | |
// This file is dual licensed under the MIT and the University of Illinois Open | |
// Source Licenses. See LICENSE.TXT for details. | |
// | |
//===----------------------------------------------------------------------===// | |
#include <memory> | |
#include "benchmark/benchmark_api.h" | |
static void BM_SharedPtrCreateDestroy(benchmark::State& st) { | |
while (st.KeepRunning()) { | |
auto sp = std::make_shared<int>(42); | |
benchmark::DoNotOptimize(sp.get()); | |
} | |
} | |
BENCHMARK(BM_SharedPtrCreateDestroy); | |
static void BM_SharedPtrIncDecRef(benchmark::State& st) { | |
auto sp = std::make_shared<int>(42); | |
benchmark::DoNotOptimize(sp.get()); | |
while (st.KeepRunning()) { | |
std::shared_ptr<int> sp2(sp); | |
benchmark::ClobberMemory(); | |
} | |
} | |
BENCHMARK(BM_SharedPtrIncDecRef); | |
static void BM_WeakPtrIncDecRef(benchmark::State& st) { | |
auto sp = std::make_shared<int>(42); | |
benchmark::DoNotOptimize(sp.get()); | |
while (st.KeepRunning()) { | |
std::weak_ptr<int> wp(sp); | |
benchmark::ClobberMemory(); | |
} | |
} | |
BENCHMARK(BM_WeakPtrIncDecRef); | |
BENCHMARK_MAIN() |
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