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device-list-tracker-benchmark-test.cpp
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device-list-tracker-benchmark-test.cpp
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/*
* This file is part of libkazv.
* SPDX-FileCopyrightText: 2024 tusooa <tusooa@kazv.moe>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include <libkazv-config.hpp>
#include <catch2/catch_test_macros.hpp>
#include <catch2/benchmark/catch_benchmark.hpp>
#include <client-model.hpp>
#include "factory.hpp"
using namespace Kazv;
using namespace Kazv::Factory;
static ClientModel data(int userCount, int devicePerUser)
{
auto client = makeClient();
for (int u = 0; u < userCount; ++u) {
for (int d = 0; d < devicePerUser; ++d) {
withDevice(
"@user" + std::to_string(u) + ":example.com",
makeDeviceKeyInfo(withDeviceId("device" + std::to_string(d)))
)(client);
}
}
return client;
}
static void modify(ClientModel &c, int u, int d)
{
// keep the newly-generated key, but set the device id to what we want.
auto info = makeDeviceKeyInfo();
withDeviceId("device" + std::to_string(d))(info);
withDevice(
"@user" + std::to_string(u) + ":example.com",
info
)(c);
}
static void modifyMany(ClientModel &c, immer::flex_vector<std::pair<int, int>> modifications)
{
for (auto [u, d] : modifications) {
modify(c, u, d);
}
}
TEST_CASE("DeviceListTracker::diff() benchmark: small", "[device-list-tracker][!benchmark]")
{
auto client = data(100, 5);
auto anotherClient = client;
modifyMany(
anotherClient,
{{4, 1}, {20, 3}, {60, 6}, {99, 0}, {102, 5}}
);
BENCHMARK("diff against itself") {
return client.deviceLists.diff(client.deviceLists);
};
BENCHMARK("diff against some modifications") {
return client.deviceLists.diff(anotherClient.deviceLists);
};
}
TEST_CASE("DeviceListTracker::diff() benchmark: medium", "[device-list-tracker][!benchmark]")
{
auto client = data(1000, 10);
auto anotherClient = client;
modifyMany(
anotherClient,
{{4, 1}, {201, 9}, {608, 6}, {995, 0}, {1012, 11}}
);
BENCHMARK("diff against itself") {
return client.deviceLists.diff(client.deviceLists);
};
BENCHMARK("diff against some modifications") {
return client.deviceLists.diff(anotherClient.deviceLists);
};
}
TEST_CASE("DeviceListTracker::diff() benchmark: large", "[device-list-tracker][!benchmark]")
{
auto client = data(10000, 20);
auto anotherClient = client;
modifyMany(
anotherClient,
{{4, 1}, {202, 3}, {6078, 6}, {9956, 0}, {10021, 7},
{7954, 13}, {4013, 9}, {1234, 34}, {2879, 8}}
);
BENCHMARK("diff against itself") {
return client.deviceLists.diff(client.deviceLists);
};
BENCHMARK("diff against some modifications") {
return client.deviceLists.diff(anotherClient.deviceLists);
};
}

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