memgraph/tests/benchmark/expansion.cpp
Teon Banek d7a9c5bab8 Extract TypedValue/DecodedValue conversion to higher component
Summary:
This is the first step in cutting the crazy dependencies of
communication module to the whole database. Includes have been
reorganized and conversion between DecodedValue and other Memgraph types
(TypedValue and PropertyValue) has been extracted to a higher level
component called `communication/conversion`. Encoder, like Decoder, now
relies only on DecodedValue. Hopefully the conversion operations will
not significantly slow down streaming Bolt data.

Additionally, Bolt ID is now wrapped in a class. Our storage model uses
*unsigned* int64, while Bolt expects *signed* int64. The implicit
conversions may lead to encode/decode errors, so the wrapper should
enforce some type safety to prevent such errors.

Reviewers: mferencevic, buda, msantl, mtomic

Reviewed By: mferencevic, mtomic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1453
2018-07-11 12:51:31 +02:00

81 lines
2.5 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_;
std::experimental::optional<query::Interpreter> interpreter_;
void SetUp(const benchmark::State &state) override {
db_.emplace();
interpreter_.emplace(db_.value());
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("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 {
database::GraphDbAccessor dba(*db_);
for (auto vertex : dba.Vertices(false)) dba.DetachRemoveVertex(vertex);
dba.Commit();
interpreter_ = std::experimental::nullopt;
db_ = std::experimental::nullopt;
}
auto &interpreter() { return *interpreter_; }
};
BENCHMARK_DEFINE_F(ExpansionBenchFixture, Match)(benchmark::State &state) {
auto query = "MATCH (s:Starting) return s";
database::GraphDbAccessor dba(*db_);
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)";
database::GraphDbAccessor dba(*db_);
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;
}