103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
/*
|
|
* BenchRef.cpp
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "benchmark/benchmark.h"
|
|
|
|
#include "flow/FastAlloc.h"
|
|
#include "flow/FastRef.h"
|
|
|
|
#include <memory>
|
|
|
|
struct Empty : public ReferenceCounted<Empty>, public FastAllocated<Empty> {};
|
|
struct EmptyTSRC : public ThreadSafeReferenceCounted<EmptyTSRC>, public FastAllocated<EmptyTSRC> {};
|
|
|
|
enum class RefType {
|
|
RawPointer,
|
|
UniquePointer,
|
|
SharedPointer,
|
|
FlowReference,
|
|
FlowReferenceThreadSafe,
|
|
};
|
|
|
|
template <RefType refType>
|
|
class Factory {};
|
|
|
|
template <>
|
|
struct Factory<RefType::RawPointer> {
|
|
static Empty* create() { return new Empty{}; }
|
|
static void cleanup(Empty* empty) { delete empty; }
|
|
};
|
|
|
|
template <>
|
|
struct Factory<RefType::UniquePointer> {
|
|
static std::unique_ptr<Empty> create() { return std::make_unique<Empty>(); }
|
|
static void cleanup(const std::unique_ptr<Empty>&) {}
|
|
};
|
|
|
|
template <>
|
|
struct Factory<RefType::SharedPointer> {
|
|
static std::shared_ptr<Empty> create() { return std::make_shared<Empty>(); }
|
|
static void cleanup(const std::shared_ptr<Empty>&) {}
|
|
};
|
|
|
|
template <>
|
|
struct Factory<RefType::FlowReference> {
|
|
static Reference<Empty> create() { return makeReference<Empty>(); }
|
|
static void cleanup(const Reference<Empty>&) {}
|
|
};
|
|
|
|
template <>
|
|
struct Factory<RefType::FlowReferenceThreadSafe> {
|
|
static Reference<EmptyTSRC> create() { return makeReference<EmptyTSRC>(); }
|
|
static void cleanup(const Reference<EmptyTSRC>&) {}
|
|
};
|
|
|
|
template <RefType refType>
|
|
static void bench_ref_create_and_destroy(benchmark::State& state) {
|
|
while (state.KeepRunning()) {
|
|
auto ptr = Factory<refType>::create();
|
|
benchmark::DoNotOptimize(ptr);
|
|
Factory<refType>::cleanup(ptr);
|
|
}
|
|
state.SetItemsProcessed(static_cast<long>(state.iterations()));
|
|
}
|
|
|
|
template <RefType refType>
|
|
static void bench_ref_copy(benchmark::State& state) {
|
|
auto ptr = Factory<refType>::create();
|
|
while (state.KeepRunning()) {
|
|
auto ptr2 = ptr;
|
|
benchmark::DoNotOptimize(ptr2);
|
|
}
|
|
Factory<refType>::cleanup(ptr);
|
|
state.SetItemsProcessed(static_cast<long>(state.iterations()));
|
|
}
|
|
|
|
BENCHMARK_TEMPLATE(bench_ref_create_and_destroy, RefType::RawPointer)->ReportAggregatesOnly(true);
|
|
BENCHMARK_TEMPLATE(bench_ref_create_and_destroy, RefType::UniquePointer)->ReportAggregatesOnly(true);
|
|
BENCHMARK_TEMPLATE(bench_ref_create_and_destroy, RefType::SharedPointer)->ReportAggregatesOnly(true);
|
|
BENCHMARK_TEMPLATE(bench_ref_create_and_destroy, RefType::FlowReference)->ReportAggregatesOnly(true);
|
|
BENCHMARK_TEMPLATE(bench_ref_create_and_destroy, RefType::FlowReferenceThreadSafe)->ReportAggregatesOnly(true);
|
|
|
|
BENCHMARK_TEMPLATE(bench_ref_copy, RefType::RawPointer)->ReportAggregatesOnly(true);
|
|
BENCHMARK_TEMPLATE(bench_ref_copy, RefType::SharedPointer)->ReportAggregatesOnly(true);
|
|
BENCHMARK_TEMPLATE(bench_ref_copy, RefType::FlowReference)->ReportAggregatesOnly(true);
|
|
BENCHMARK_TEMPLATE(bench_ref_copy, RefType::FlowReferenceThreadSafe)->ReportAggregatesOnly(true);
|