papermc/Spigot-Server-Patches/0293-Optimize-RegistryMaterials.patch
2019-07-19 23:01:24 -05:00

38 lines
1.7 KiB
Diff

From 291b4375927c5222ac23894c0a96013055bce0bc 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 f291e05b26..fed38e6ef0 100644
--- a/src/main/java/net/minecraft/server/RegistryMaterials.java
+++ b/src/main/java/net/minecraft/server/RegistryMaterials.java
@@ -16,9 +16,9 @@ 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 Object[] d;
+ 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 T[] d; // Paper - Decompile fix
private int R;
public RegistryMaterials() {}
@@ -98,7 +98,7 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
return null;
}
- this.d = collection.toArray(new Object[collection.size()]);
+ this.d = (T[]) collection.toArray(new Object[collection.size()]); // Paper - Decompile fix
}
return this.d[random.nextInt(this.d.length)];
--
2.22.0