osu/osu.Game.Benchmarks/BenchmarkRealmReads.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Linq;
using System.Threading;
using BenchmarkDotNet.Attributes;
using osu.Framework.Testing;
using osu.Framework.Threading;
using osu.Game.Beatmaps;
using osu.Game.Database;
using osu.Game.Rulesets.Osu;
using osu.Game.Tests.Resources;
namespace osu.Game.Benchmarks
{
public class BenchmarkRealmReads : BenchmarkTest
{
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private TemporaryNativeStorage storage = null!;
private RealmAccess realm = null!;
private UpdateThread updateThread = null!;
[Params(1, 100, 1000)]
public int ReadsPerFetch { get; set; }
public override void SetUp()
{
storage = new TemporaryNativeStorage("realm-benchmark");
storage.DeleteDirectory(string.Empty);
realm = new RealmAccess(storage, OsuGameBase.CLIENT_DATABASE_FILENAME);
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realm.Run(_ =>
{
realm.Write(c => c.Add(TestResources.CreateTestBeatmapSetInfo(rulesets: new[] { new OsuRuleset().RulesetInfo })));
});
updateThread = new UpdateThread(() => { }, null);
updateThread.Start();
}
[Benchmark]
public void BenchmarkDirectPropertyRead()
{
realm.Run(r =>
{
var beatmapSet = r.All<BeatmapSetInfo>().First();
for (int i = 0; i < ReadsPerFetch; i++)
{
string _ = beatmapSet.Beatmaps.First().Hash;
}
});
}
[Benchmark]
public void BenchmarkDirectPropertyReadUpdateThread()
{
var done = new ManualResetEventSlim();
updateThread.Scheduler.Add(() =>
{
try
{
var beatmapSet = realm.Realm.All<BeatmapSetInfo>().First();
for (int i = 0; i < ReadsPerFetch; i++)
{
string _ = beatmapSet.Beatmaps.First().Hash;
}
}
finally
{
done.Set();
}
});
done.Wait(60000);
}
[Benchmark]
public void BenchmarkRealmLivePropertyRead()
{
realm.Run(r =>
{
var beatmapSet = r.All<BeatmapSetInfo>().First().ToLive(realm);
for (int i = 0; i < ReadsPerFetch; i++)
{
string _ = beatmapSet.PerformRead(b => b.Beatmaps.First().Hash);
}
});
}
[Benchmark]
public void BenchmarkRealmLivePropertyReadUpdateThread()
{
var done = new ManualResetEventSlim();
updateThread.Scheduler.Add(() =>
{
try
{
var beatmapSet = realm.Realm.All<BeatmapSetInfo>().First().ToLive(realm);
for (int i = 0; i < ReadsPerFetch; i++)
{
string _ = beatmapSet.PerformRead(b => b.Beatmaps.First().Hash);
}
}
finally
{
done.Set();
}
});
done.Wait(60000);
}
[Benchmark]
public void BenchmarkDetachedPropertyRead()
{
realm.Run(r =>
{
var beatmapSet = r.All<BeatmapSetInfo>().First().Detach();
for (int i = 0; i < ReadsPerFetch; i++)
{
string _ = beatmapSet.Beatmaps.First().Hash;
}
});
}
[GlobalCleanup]
public void Cleanup()
{
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realm.Dispose();
storage.Dispose();
updateThread.Exit();
}
}
}