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36 lines
1.5 KiB
Diff
36 lines
1.5 KiB
Diff
From c3732af7e8535275708cd94d5d135fa29b0bd9a0 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/server/RegistryMaterials.java b/src/main/java/net/minecraft/server/RegistryMaterials.java
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index 2d6a7b3a..8477febc 100644
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--- a/src/main/java/net/minecraft/server/RegistryMaterials.java
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+++ b/src/main/java/net/minecraft/server/RegistryMaterials.java
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@@ -16,8 +16,8 @@ import org.apache.logging.log4j.Logger;
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public class RegistryMaterials<T> extends IRegistryWritable<T> {
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protected static final Logger LOGGER = LogManager.getLogger();
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- protected final RegistryID<T> b = new RegistryID<>(256);
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- protected final BiMap<MinecraftKey, T> c = HashBiMap.create();
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+ protected final RegistryID<T> b = new RegistryID<>(2048); // Paper - use bigger expected size to reduce collisions
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+ protected final BiMap<MinecraftKey, T> c = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
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protected Object[] d;
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private int V;
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@@ -101,6 +101,6 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
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this.d = collection.toArray(new Object[collection.size()]);
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}
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- return this.d[random.nextInt(this.d.length)];
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+ return (T) this.d[random.nextInt(this.d.length)]; // Paper - Decompile fix
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}
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}
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--
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2.25.1.windows.1
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