52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
|
|
* BenchVersionVector.cpp
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2022 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/VersionVector.h"
|
|
#include <cstdint>
|
|
|
|
static void bench_vv_getdelta(benchmark::State& benchState) {
|
|
int64_t tags = benchState.range(0);
|
|
Version version = 100000;
|
|
VersionVector vv(version);
|
|
|
|
int i = 0;
|
|
for (int i = 0; i < tags; i++) {
|
|
vv.setVersion(Tag(0, i), ++version);
|
|
}
|
|
|
|
i = 0;
|
|
const int64_t numDeltas = benchState.range(1);
|
|
while (benchState.KeepRunning()) {
|
|
vv.setVersion(Tag(0, i++), ++version);
|
|
i %= tags;
|
|
|
|
for (int j = 0; j < numDeltas; j++) {
|
|
VersionVector delta;
|
|
vv.getDelta(version - j, delta);
|
|
benchmark::DoNotOptimize(delta);
|
|
}
|
|
}
|
|
benchState.SetItemsProcessed(numDeltas * static_cast<long>(benchState.iterations()));
|
|
benchState.counters.insert({ { "Tags", tags }, { "getDeltaTimes", numDeltas } });
|
|
}
|
|
|
|
BENCHMARK(bench_vv_getdelta)->Ranges({ { 1 << 4, 1 << 10 }, { 1, 1 << 10 } })->ReportAggregatesOnly(true);
|