memgraph/tests/benchmark/storage_v2_gc.cpp

75 lines
2.6 KiB
C++

#include <iostream>
#include <gflags/gflags.h>
#include "storage/v2/storage.hpp"
#include "utils/timer.hpp"
// This benchmark should be run for a fixed amount of time that is
// large compared to GC interval to make the output relevant.
const int kNumIterations = 5000000;
const int kNumVertices = 1000000;
DEFINE_int32(num_threads, 4, "number of threads");
DEFINE_int32(num_vertices, kNumVertices, "number of vertices");
DEFINE_int32(num_iterations, kNumIterations, "number of iterations");
std::pair<std::string, storage::Config> TestConfigurations[] = {
{"NoGc", storage::Config{.gc = {.type = storage::Config::Gc::Type::NONE}}},
{"100msPeriodicGc",
storage::Config{.gc = {.type = storage::Config::Gc::Type::PERIODIC, .interval = std::chrono::milliseconds(100)}}},
{"1000msPeriodicGc", storage::Config{.gc = {.type = storage::Config::Gc::Type::PERIODIC,
.interval = std::chrono::milliseconds(1000)}}}};
void UpdateLabelFunc(int thread_id, storage::Storage *storage, const std::vector<storage::Gid> &vertices,
int num_iterations) {
std::mt19937 gen(thread_id);
std::uniform_int_distribution<uint64_t> vertex_dist(0, vertices.size() - 1);
std::uniform_int_distribution<uint64_t> label_dist(0, 100);
utils::Timer timer;
for (int iter = 0; iter < num_iterations; ++iter) {
auto acc = storage->Access();
storage::Gid gid = vertices.at(vertex_dist(gen));
std::optional<storage::VertexAccessor> vertex = acc.FindVertex(gid, storage::View::OLD);
MG_ASSERT(vertex.has_value(), "Vertex with GID {} doesn't exist", gid.AsUint());
if (vertex->AddLabel(storage::LabelId::FromUint(label_dist(gen))).HasValue()) {
MG_ASSERT(!acc.Commit().HasError());
} else {
acc.Abort();
}
}
}
int main(int argc, char *argv[]) {
gflags::ParseCommandLineFlags(&argc, &argv, true);
for (const auto &config : TestConfigurations) {
storage::Storage storage(config.second);
std::vector<storage::Gid> vertices;
{
auto acc = storage.Access();
for (int i = 0; i < FLAGS_num_vertices; ++i) {
vertices.push_back(acc.CreateVertex().Gid());
}
MG_ASSERT(!acc.Commit().HasError());
}
utils::Timer timer;
std::vector<std::thread> threads;
threads.reserve(FLAGS_num_threads);
for (int i = 0; i < FLAGS_num_threads; ++i) {
threads.emplace_back(UpdateLabelFunc, i, &storage, vertices, FLAGS_num_iterations);
}
for (int i = 0; i < FLAGS_num_threads; ++i) {
threads[i].join();
}
std::cout << "Config: " << config.first << ", Time: " << timer.Elapsed().count() << std::endl;
}
return 0;
}