memgraph/tests/benchmark/skip_list_random.cpp
2022-03-14 15:47:41 +01:00

68 lines
2.2 KiB
C++

// Copyright 2022 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 "skip_list_common.hpp"
#include "utils/skip_list.hpp"
DEFINE_int32(max_element, 20000, "Maximum element in the intial list");
DEFINE_int32(max_range, 2000000, "Maximum range used for the test");
int main(int argc, char **argv) {
gflags::ParseCommandLineFlags(&argc, &argv, true);
memgraph::utils::SkipList<uint64_t> list;
{
auto acc = list.access();
for (uint64_t i = 0; i <= FLAGS_max_element; ++i) {
MG_ASSERT(acc.insert(i).second);
}
uint64_t val = 0;
for (auto item : acc) {
MG_ASSERT(item == val);
++val;
}
MG_ASSERT(val == FLAGS_max_element + 1);
}
RunConcurrentTest([&list](auto *run, auto *stats) {
std::mt19937 generator(std::random_device{}());
std::uniform_int_distribution<uint64_t> distribution(0, 3);
std::mt19937 i_generator(std::random_device{}());
std::uniform_int_distribution<uint64_t> i_distribution(0, FLAGS_max_range);
while (run->load(std::memory_order_relaxed)) {
auto value = distribution(generator);
auto accessor = list.access();
auto item = i_distribution(i_generator);
switch (value) {
case 0:
stats->succ[OP_INSERT] += static_cast<uint64_t>(accessor.insert(item).second);
break;
case 1:
stats->succ[OP_CONTAINS] += static_cast<uint64_t>(accessor.contains(item));
break;
case 2:
stats->succ[OP_REMOVE] += static_cast<uint64_t>(accessor.remove(item));
break;
case 3:
stats->succ[OP_FIND] += static_cast<uint64_t>(accessor.find(item) != accessor.end());
break;
default:
std::terminate();
}
++stats->total;
}
});
return 0;
}