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

32 lines
1.6 KiB
Diff

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 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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/RegistryMaterials.java
+++ b/src/main/java/net/minecraft/server/RegistryMaterials.java
@@ -0,0 +0,0 @@ import org.apache.logging.log4j.Logger;
public class RegistryMaterials<T> extends IRegistryWritable<T> {
protected static final Logger LOGGER = LogManager.getLogger();
- protected final RegistryID<T> b = new RegistryID<>(256);
- protected final BiMap<MinecraftKey, T> c = HashBiMap.create();
+ protected final RegistryID<T> b = new RegistryID<>(2048); // Paper - use bigger expected size to reduce collisions
+ protected final BiMap<MinecraftKey, T> c = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
protected Object[] d;
private int V;
@@ -0,0 +0,0 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
this.d = collection.toArray(new Object[collection.size()]);
}
- return this.d[random.nextInt(this.d.length)];
+ return (T) this.d[random.nextInt(this.d.length)]; // Paper - Decompile fix
}
}