papermc/Spigot-Server-Patches/0282-Optimize-RegistryMaterials.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

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 2d6a7b3a47895a32903eaf132eb44820c2623c4c..8477febca23b575da21023b4d7c18bb679cf3b30 100644
--- a/src/main/java/net/minecraft/server/RegistryMaterials.java
+++ b/src/main/java/net/minecraft/server/RegistryMaterials.java
@@ -16,8 +16,8 @@ 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;
@@ -101,6 +101,6 @@ 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
}
}