memgraph/tests/benchmark/expansion.cpp
florijan 6fc6a27288 Refactor GraphDb
Summary:
GraphDb is refactored to become an API exposing different parts
necessary for the database to function. These different parts can have
different implementations in SingleNode or distributed Master/Server
GraphDb implementations.

Interally GraphDb is implemented using two class heirarchies. One
contains all the members and correct wiring for each situation. The
other takes care of initialization and shutdown. This architecture is
practical because it can guarantee that the initialization of the
object structure is complete, before initializing state.

Reviewers: buda, mislav.bradac, dgleich, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1093
2018-01-12 16:47:24 +01:00

78 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/graph_db.hpp"
#include "database/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/graph_db.hpp for details.
std::experimental::optional<database::SingleNode> db_;
query::Interpreter interpeter_;
void SetUp(const benchmark::State &state) override {
db_.emplace();
database::GraphDbAccessor dba(*db_);
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("Start"));
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 {
database::GraphDbAccessor dba(*db_);
for (auto vertex : dba.Vertices(false)) dba.DetachRemoveVertex(vertex);
dba.Commit();
db_ = std::experimental::nullopt;
}
};
BENCHMARK_DEFINE_F(ExpansionBenchFixture, Match)(benchmark::State &state) {
auto query = "MATCH (s:Start) return s";
database::GraphDbAccessor dba(*db_);
while (state.KeepRunning()) {
ResultStreamFaker results;
interpeter_(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:Start) WITH s MATCH (s)--(d) RETURN count(d)";
database::GraphDbAccessor dba(*db_);
while (state.KeepRunning()) {
ResultStreamFaker results;
interpeter_(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) {
gflags::ParseCommandLineFlags(&argc, &argv, true);
google::InitGoogleLogging(argv[0]);
::benchmark::Initialize(&argc, argv);
::benchmark::RunSpecifiedBenchmarks();
return 0;
}