memgraph/tests/benchmark/expansion.cpp
2022-01-18 12:51:27 +01:00

97 lines
3.1 KiB
C++

// Copyright 2021 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
#include <benchmark/benchmark.h>
#include "communication/result_stream_faker.hpp"
#include "query/config.hpp"
#include "query/interpreter.hpp"
#include "query/typed_value.hpp"
#include "storage/v2/isolation_level.hpp"
#include "storage/v2/storage.hpp"
class ExpansionBenchFixture : public benchmark::Fixture {
protected:
std::optional<storage::Storage> db;
std::optional<query::InterpreterContext> interpreter_context;
std::optional<query::Interpreter> interpreter;
std::filesystem::path data_directory{std::filesystem::temp_directory_path() / "expansion-benchmark"};
void SetUp(const benchmark::State &state) override {
db.emplace();
auto label = db->NameToLabel("Starting");
{
auto dba = db->Access();
for (int i = 0; i < state.range(0); i++) dba.CreateVertex();
// the fixed part is one vertex expanding to 1000 others
auto start = dba.CreateVertex();
MG_ASSERT(start.AddLabel(label).HasValue());
auto edge_type = dba.NameToEdgeType("edge_type");
for (int i = 0; i < 1000; i++) {
auto dest = dba.CreateVertex();
MG_ASSERT(dba.CreateEdge(&start, &dest, edge_type).HasValue());
}
MG_ASSERT(!dba.Commit().HasError());
}
MG_ASSERT(db->CreateIndex(label));
interpreter_context.emplace(&*db, query::InterpreterConfig{}, data_directory);
interpreter.emplace(&*interpreter_context);
}
void TearDown(const benchmark::State &) override {
interpreter = std::nullopt;
interpreter_context = std::nullopt;
db = std::nullopt;
std::filesystem::remove_all(data_directory);
}
};
BENCHMARK_DEFINE_F(ExpansionBenchFixture, Match)(benchmark::State &state) {
auto query = "MATCH (s:Starting) return s";
while (state.KeepRunning()) {
ResultStreamFaker results(&*db);
interpreter->Prepare(query, {}, nullptr);
interpreter->PullAll(&results);
}
}
BENCHMARK_REGISTER_F(ExpansionBenchFixture, Match)
->RangeMultiplier(1024)
->Range(1, 1 << 20)
->Unit(benchmark::kMillisecond);
BENCHMARK_DEFINE_F(ExpansionBenchFixture, Expand)(benchmark::State &state) {
auto query = "MATCH (s:Starting) WITH s MATCH (s)--(d) RETURN count(d)";
while (state.KeepRunning()) {
ResultStreamFaker results(&*db);
interpreter->Prepare(query, {}, nullptr);
interpreter->PullAll(&results);
}
}
BENCHMARK_REGISTER_F(ExpansionBenchFixture, Expand)
->RangeMultiplier(1024)
->Range(1, 1 << 20)
->Unit(benchmark::kMillisecond);
int main(int argc, char **argv) {
::benchmark::Initialize(&argc, argv);
::benchmark::RunSpecifiedBenchmarks();
return 0;
}