mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-20 07:38:42 +02:00
* Added support for offline invalidation, via PPTC, of low cq translations replaced by high cq translations; both on a single run and between runs. Added invalidation of .cache files in the event of reuse on a different user operating system. Added .info and .cache files invalidation in case of a failed stream decompression. Nits. * InternalVersion = 1712; * Nits. * Address comment. * Get rid of BinaryFormatter. Nits. * Move Ptc.LoadTranslations(). Nits. * Nits. * Fixed corner cases (in case backup copies have to be used). Added save logs. * Not core fixes. * Complement to the previous commit. Added load logs. Removed BinaryFormatter leftovers. * Add LoadTranslations log. * Nits. * Removed the search and management of LowCq overlapping functions. * Final increment of .info and .cache flags. * Nit. * Free up memory allocated by Pools during any PPTC translations at boot time. * Nit due to rebase. * Add a simple Pools Limiter. * Nits. * Fix missing JumpTable.RegisterFunction() due to rebase. Clear MemoryStreams as soon as possible, when they are no longer needed. * Code cleaning. * Nit for retrigger Checks. * Update Ptc.cs * Contextual refactoring of Translator. Ignore resetting of pools for DirectCallStubs. * Nit for retrigger Checks.
142 lines
3.5 KiB
C#
142 lines
3.5 KiB
C#
using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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namespace ARMeilleure.Common
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{
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class ThreadStaticPool<T> where T : class, new()
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{
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private const int ChunkSizeLimit = 1000; // even
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private const int PoolSizeIncrement = 200; // > 0
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[ThreadStatic]
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private static ThreadStaticPool<T> _instance;
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public static ThreadStaticPool<T> Instance
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{
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get
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{
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if (_instance == null)
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{
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PreparePool(0); // So that we can still use a pool when blindly initializing one.
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}
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return _instance;
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}
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}
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private static ConcurrentDictionary<int, Stack<ThreadStaticPool<T>>> _pools = new();
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private static Stack<ThreadStaticPool<T>> GetPools(int groupId)
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{
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return _pools.GetOrAdd(groupId, (groupId) => new());
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}
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public static void PreparePool(int groupId)
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{
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// Prepare the pool for this thread, ideally using an existing one from the specified group.
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if (_instance == null)
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{
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var pools = GetPools(groupId);
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lock (pools)
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{
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_instance = (pools.Count != 0) ? pools.Pop() : new();
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}
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}
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}
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public static void ReturnPool(int groupId)
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{
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// Reset, limit if necessary, and return the pool for this thread to the specified group.
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var pools = GetPools(groupId);
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lock (pools)
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{
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_instance.Clear();
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_instance.ChunkSizeLimiter();
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pools.Push(_instance);
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_instance = null;
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}
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}
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public static void ResetPools()
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{
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// Resets any static references to the pools used by threads for each group, allowing them to be garbage collected.
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foreach (var pools in _pools.Values)
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{
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foreach (var instance in pools)
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{
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instance.Dispose();
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}
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pools.Clear();
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}
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_pools.Clear();
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}
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private List<T[]> _pool;
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private int _chunkIndex = -1;
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private int _poolIndex = -1;
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private ThreadStaticPool()
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{
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_pool = new(ChunkSizeLimit * 2);
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AddChunkIfNeeded();
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}
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public T Allocate()
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{
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if (++_poolIndex >= PoolSizeIncrement)
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{
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AddChunkIfNeeded();
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_poolIndex = 0;
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}
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return _pool[_chunkIndex][_poolIndex];
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}
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private void AddChunkIfNeeded()
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{
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if (++_chunkIndex >= _pool.Count)
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{
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T[] pool = new T[PoolSizeIncrement];
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for (int i = 0; i < PoolSizeIncrement; i++)
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{
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pool[i] = new T();
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}
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_pool.Add(pool);
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}
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}
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public void Clear()
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{
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_chunkIndex = 0;
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_poolIndex = -1;
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}
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private void ChunkSizeLimiter()
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{
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if (_pool.Count >= ChunkSizeLimit)
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{
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int newChunkSize = ChunkSizeLimit / 2;
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_pool.RemoveRange(newChunkSize, _pool.Count - newChunkSize);
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_pool.Capacity = ChunkSizeLimit * 2;
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}
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}
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private void Dispose()
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{
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_pool.Clear();
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}
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}
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}
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