PaperMC/Spigot-Server-Patches/0342-Optimize-RegistryMaterials.patch

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From d1a99aa3a770edc860e74ec16778082dc0888040 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 26 Aug 2018 20:49:50 -0400
Subject: [PATCH] Optimize RegistryMaterials
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/server/RegistryMaterials.java b/src/main/java/net/minecraft/server/RegistryMaterials.java
index 83ce386e05..a47110bba8 100644
--- a/src/main/java/net/minecraft/server/RegistryMaterials.java
+++ b/src/main/java/net/minecraft/server/RegistryMaterials.java
@@ -13,8 +13,8 @@ import org.apache.logging.log4j.Logger;
public class RegistryMaterials<V> implements IRegistry<V> {
protected static final Logger a = LogManager.getLogger();
- protected final RegistryID<V> b = new RegistryID<V>(256);
- protected final BiMap<MinecraftKey, V> c = HashBiMap.create();
+ protected final RegistryID<V> b = new RegistryID<V>(2048); // Paper - use bigger expected size to reduce collisions
+ protected final BiMap<MinecraftKey, V> c = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
protected Object[] d;
private int x;
--
2.19.0