geforkt von Mirrors/Paper
62 Zeilen
3.3 KiB
Diff
62 Zeilen
3.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 26 Aug 2018 20:49:50 -0400
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Subject: [PATCH] Optimize RegistryMaterials
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Use larger initial sizes to increase bucket capacity on the BiMap
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BiMap.get was seen to be using a good bit of CPU time.
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diff --git a/src/main/java/net/minecraft/core/RegistryMaterials.java b/src/main/java/net/minecraft/core/RegistryMaterials.java
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index f3f6ed83d509d228944d15fc2b2b4cb85b05e366..18f78a5cb03dd9c8349c28b99d013752e32c9167 100644
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--- a/src/main/java/net/minecraft/core/RegistryMaterials.java
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+++ b/src/main/java/net/minecraft/core/RegistryMaterials.java
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@@ -30,6 +30,7 @@ import net.minecraft.SystemUtils;
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import net.minecraft.resources.MinecraftKey;
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import net.minecraft.resources.RegistryDataPackCodec;
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import net.minecraft.resources.ResourceKey;
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+import it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap; // Paper
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import org.apache.commons.lang3.Validate;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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@@ -38,7 +39,7 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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protected static final Logger LOGGER = LogManager.getLogger();
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private final ObjectList<T> bf = new ObjectArrayList(256);
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- private final Object2IntMap<T> bg = new Object2IntOpenCustomHashMap(SystemUtils.k());
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+ private final Reference2IntOpenHashMap<T> bg = new Reference2IntOpenHashMap<T>(2048);// Paper - use bigger expected size to reduce collisions and direct intent for FastUtil to be identity map
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private final BiMap<MinecraftKey, T> bh;
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private final BiMap<ResourceKey<T>, T> bi;
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private final Map<T, Lifecycle> bj;
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@@ -49,9 +50,9 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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public RegistryMaterials(ResourceKey<? extends IRegistry<T>> resourcekey, Lifecycle lifecycle) {
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super(resourcekey, lifecycle);
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this.bg.defaultReturnValue(-1);
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- this.bh = HashBiMap.create();
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- this.bi = HashBiMap.create();
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- this.bj = Maps.newIdentityHashMap();
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+ this.bh = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
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+ this.bi = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
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+ this.bj = new java.util.IdentityHashMap<>(2048); // Paper - use bigger expected size to reduce collisions
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this.bk = lifecycle;
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}
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@@ -195,7 +196,7 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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this.b = collection.toArray(new Object[collection.size()]);
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}
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- return SystemUtils.a(this.b, random);
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+ return (T) SystemUtils.a(this.b, random); // Paper - Decompile fix
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}
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public static <T> Codec<RegistryMaterials<T>> a(ResourceKey<? extends IRegistry<T>> resourcekey, Lifecycle lifecycle, Codec<T> codec) {
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@@ -215,7 +216,7 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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Iterator iterator = registrymaterials.iterator();
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while (iterator.hasNext()) {
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- T t0 = iterator.next();
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+ T t0 = (T) iterator.next(); // Paper - Decompile fix
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builder.add(new RegistryMaterials.a<>((ResourceKey) registrymaterials.c(t0).get(), registrymaterials.a(t0), t0));
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}
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