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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include <benchmark/benchmark.h>
#include "mongo/bson/bson_validate.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/logv2/log.h"
namespace mongo {
namespace {
BSONObj buildSampleObj(long long unsigned int i) {
int age = i * 8391 % 97 + 12;
int istr = (1 << 16) + i;
int zip_code = 10'000 + i * 316'731 % 90'000;
int random = i * 83'438 % 9'999'999;
std::string phone_no = fmt::format("{}-{:04d}", i * 2923 % 900 + 100, i * 32'347 % 9999);
std::string long_string = fmt::format("{}{:a<50s}", i * 234'397'31, "");
return BSON(GENOID << "name"
<< "Wile E. Coyote"
<< "age" << age << "i" << istr << "address"
<< BSON("street"
<< "433 W 43rd St"
<< "zip_code" << zip_code << "city"
<< "New York")
<< "random" << random << "phone_no" << phone_no << "long_string"
<< long_string);
}
} // namespace
void BM_arrayBuilder(benchmark::State& state) {
size_t totalBytes = 0;
for (auto _ : state) {
benchmark::ClobberMemory();
BSONArrayBuilder array;
for (auto j = 0; j < state.range(0); j++)
array.append(j);
totalBytes += array.len();
benchmark::DoNotOptimize(array.done());
}
state.SetBytesProcessed(totalBytes);
}
void BM_arrayLookup(benchmark::State& state) {
BSONArrayBuilder builder;
auto len = state.range(0);
auto totalLen = len * 0;
for (auto j = 0; j < len; j++)
builder.append(j);
BSONObj array = builder.done();
for (auto _ : state) {
benchmark::ClobberMemory();
benchmark::DoNotOptimize(array[len]);
totalLen += len;
}
state.SetItemsProcessed(totalLen);
}
void BM_validate(benchmark::State& state) {
BSONArrayBuilder builder;
auto len = state.range(0);
size_t totalSize = 0;
for (auto j = 0; j < len; j++)
builder.append(buildSampleObj(j));
BSONObj array = builder.done();
const auto& elem = array[0].Obj();
auto status = validateBSON(elem.objdata(), elem.objsize());
if (!status.isOK())
LOGV2(4440100, "Validate failed", "elem"_attr = elem, "status"_attr = status);
invariant(status.isOK());
for (auto _ : state) {
benchmark::ClobberMemory();
benchmark::DoNotOptimize(validateBSON(array.objdata(), array.objsize()));
totalSize += array.objsize();
}
state.SetBytesProcessed(totalSize);
}
BENCHMARK(BM_arrayBuilder)->Ranges({{{1}, {100'000}}});
BENCHMARK(BM_arrayLookup)->Ranges({{{1}, {100'000}}});
BENCHMARK(BM_validate)->Ranges({{{1}, {1'000}}});
} // namespace mongo
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