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Nassim Jahnke
2022-07-27 21:49:24 +02:00
parent d45c7916e1
commit 24201b38ce
281 changed files with 104 additions and 119 deletions
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patches/server/Optimize-MappedRegistry.patch Normal file
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@@ -0,0 +1,40 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 26 Aug 2018 20:49:50 -0400
Subject: [PATCH] Optimize MappedRegistry
Use larger initial sizes to increase bucket capacity on the BiMap
BiMap.get was seen to be using a good bit of CPU time.
diff --git a/src/main/java/net/minecraft/core/MappedRegistry.java b/src/main/java/net/minecraft/core/MappedRegistry.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/core/MappedRegistry.java
+++ b/src/main/java/net/minecraft/core/MappedRegistry.java
@@ -0,0 +0,0 @@ import org.slf4j.Logger;
public class MappedRegistry<T> extends WritableRegistry<T> {
private static final Logger LOGGER = LogUtils.getLogger();
private final ObjectList<Holder.Reference<T>> byId = new ObjectArrayList<>(256);
- private final Object2IntMap<T> toId = Util.make(new Object2IntOpenCustomHashMap<>(Util.identityStrategy()), (object2IntOpenCustomHashMap) -> {
- object2IntOpenCustomHashMap.defaultReturnValue(-1);
- });
- private final Map<ResourceLocation, Holder.Reference<T>> byLocation = new HashMap<>();
- private final Map<ResourceKey<T>, Holder.Reference<T>> byKey = new HashMap<>();
- private final Map<T, Holder.Reference<T>> byValue = new IdentityHashMap<>();
- private final Map<T, Lifecycle> lifecycles = new IdentityHashMap<>();
+ private final it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap<T> toId = new it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap<T>(2048);// Paper - use bigger expected size to reduce collisions and direct intent for FastUtil to be identity map
+ private final Map<ResourceLocation, Holder.Reference<T>> byLocation = new HashMap<>(2048); // Paper - use bigger expected size to reduce collisions
+ private final Map<ResourceKey<T>, Holder.Reference<T>> byKey = new HashMap<>(2048); // Paper - use bigger expected size to reduce collisions
+ private final Map<T, Holder.Reference<T>> byValue = new IdentityHashMap<>(2048); // Paper - use bigger expected size to reduce collisions
+ private final Map<T, Lifecycle> lifecycles = new IdentityHashMap<>(2048); // Paper - use bigger expected size to reduce collisions
private Lifecycle elementsLifecycle;
private volatile Map<TagKey<T>, HolderSet.Named<T>> tags = new IdentityHashMap<>();
private boolean frozen;
@@ -0,0 +0,0 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
this.intrusiveHolderCache = new IdentityHashMap<>();
}
+ this.toId.defaultReturnValue(-1); // Paper
}
private List<Holder.Reference<T>> holdersInOrder() {