foundationdb/flowbench/BenchMetadataCheck.cpp

58 lines
2.3 KiB
C++

/*
* BenchMetadataCheck.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 "fdbclient/CommitTransaction.h"
#include "fdbclient/FDBTypes.h"
#include "fdbclient/SystemData.h"
// These benchmarks test the performance of different checks methods
// of checking for metadata mutations in applyMetadataMutations
static const std::array<MutationRef, 5> mutations = {
MutationRef(MutationRef::Type::ClearRange, normalKeys.begin, normalKeys.end),
MutationRef(MutationRef::Type::ClearRange, LiteralStringRef("a"), LiteralStringRef("b")),
MutationRef(MutationRef::Type::ClearRange, LiteralStringRef("aaaaaaaaaa"), LiteralStringRef("bbbbbbbbbb")),
MutationRef(MutationRef::Type::ClearRange, normalKeys.begin, systemKeys.end),
MutationRef(MutationRef::Type::ClearRange,
LiteralStringRef("a").withPrefix(systemKeys.begin),
LiteralStringRef("b").withPrefix(systemKeys.begin)),
};
static void bench_check_metadata1(benchmark::State& state) {
const auto& m = mutations[state.range(0)];
while (state.KeepRunning()) {
benchmark::DoNotOptimize(KeyRangeRef(m.param1, m.param2).intersects(systemKeys));
}
state.SetItemsProcessed(static_cast<long>(state.iterations()));
}
static void bench_check_metadata2(benchmark::State& state) {
const auto& m = mutations[state.range(0)];
while (state.KeepRunning()) {
benchmark::DoNotOptimize(m.param2.size() > 1 && m.param2[0] == systemKeys.begin[0]);
}
state.SetItemsProcessed(static_cast<long>(state.iterations()));
}
BENCHMARK(bench_check_metadata1)->DenseRange(0, mutations.size() - 1)->ReportAggregatesOnly(true);
BENCHMARK(bench_check_metadata2)->DenseRange(0, mutations.size() - 1)->ReportAggregatesOnly(true);