head	1.1;
branch	1.1.1;
access;
symbols
	netbsd-11-0-RC4:1.1.1.1
	netbsd-11-0-RC3:1.1.1.1
	netbsd-11-0-RC2:1.1.1.1
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	netbsd-10-0-RC1:1.1.1.1
	netbsd-10:1.1.1.1.0.6
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	cjep_sun2x-base1:1.1.1.1
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	cjep_staticlib_x:1.1.1.1.0.2
	cjep_staticlib_x-base1:1.1.1.1
	LLVM-249b40b558955afe5ac2b549edcf2d7f859c8cc9:1.1.1.1
	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2021.05.30.01.29.21;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	ELgSWj1pehxUV6VC;

1.1.1.1
date	2021.05.30.01.29.21;	author joerg;	state Exp;
branches
	1.1.1.1.2.1;
next	;
commitid	ELgSWj1pehxUV6VC;

1.1.1.1.2.1
date	2021.05.30.01.29.21;	author cjep;	state dead;
branches;
next	1.1.1.1.2.2;
commitid	eWz9SBW0XqKjJlVC;

1.1.1.1.2.2
date	2021.05.31.22.07.30;	author cjep;	state Exp;
branches;
next	;
commitid	eWz9SBW0XqKjJlVC;


desc
@@


1.1
log
@Initial revision
@
text
@//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include <memory>

#include "benchmark/benchmark.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();
@


1.1.1.1
log
@Import libc++ 249b40b558955afe5ac2b549edcf2d7f859c8cc9
@
text
@@


1.1.1.1.2.1
log
@file util_smartptr.bench.cpp was added on branch cjep_staticlib_x on 2021-05-31 22:07:30 +0000
@
text
@d1 41
@


1.1.1.1.2.2
log
@sync with head
@
text
@a0 41
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include <memory>

#include "benchmark/benchmark.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();
@