memgraph/tests/benchmark/expansion.cpp
Matej Ferencevic 9291a5fc4d Migrate to C++17
Reviewers: teon.banek, buda

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1974
2019-04-23 14:46:44 +02:00

79 lines
2.4 KiB
C++

#include <benchmark/benchmark.h>
#include <benchmark/benchmark_api.h>
#include <glog/logging.h>
#include "communication/result_stream_faker.hpp"
#include "database/single_node/graph_db.hpp"
#include "database/single_node/graph_db_accessor.hpp"
#include "query/interpreter.hpp"
#include "query/typed_value.hpp"
class ExpansionBenchFixture : public benchmark::Fixture {
protected:
// GraphDb shouldn't be global constructed/destructed. See
// documentation in database/single_node/graph_db.hpp for details.
std::optional<database::GraphDb> db_;
query::Interpreter interpreter_;
void SetUp(const benchmark::State &state) override {
db_.emplace();
auto dba = db_->Access();
for (int i = 0; i < state.range(0); i++) dba.InsertVertex();
// the fixed part is one vertex expanding to 1000 others
auto start = dba.InsertVertex();
start.add_label(dba.Label("Starting"));
auto edge_type = dba.EdgeType("edge_type");
for (int i = 0; i < 1000; i++) {
auto dest = dba.InsertVertex();
dba.InsertEdge(start, dest, edge_type);
}
dba.Commit();
}
void TearDown(const benchmark::State &) override {
auto dba = db_->Access();
for (auto vertex : dba.Vertices(false)) dba.DetachRemoveVertex(vertex);
dba.Commit();
db_ = std::nullopt;
}
auto &interpreter() { return interpreter_; }
};
BENCHMARK_DEFINE_F(ExpansionBenchFixture, Match)(benchmark::State &state) {
auto query = "MATCH (s:Starting) return s";
auto dba = db_->Access();
while (state.KeepRunning()) {
ResultStreamFaker<query::TypedValue> results;
interpreter()(query, dba, {}, false).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)";
auto dba = db_->Access();
while (state.KeepRunning()) {
ResultStreamFaker<query::TypedValue> results;
interpreter()(query, dba, {}, false).PullAll(results);
}
}
BENCHMARK_REGISTER_F(ExpansionBenchFixture, Expand)
->RangeMultiplier(1024)
->Range(1, 1 << 20)
->Unit(benchmark::kMillisecond);
int main(int argc, char **argv) {
google::InitGoogleLogging(argv[0]);
::benchmark::Initialize(&argc, argv);
::benchmark::RunSpecifiedBenchmarks();
return 0;
}