Paper/Spigot-Server-Patches/0301-Optimize-RegistryID.c.patch
Aikar b62dfa0bf9
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:
39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers

CraftBukkit Changes:
1cf8b5dc SPIGOT-4400: Populators running on existing chunks
116cb9a1 SPIGOT-4399: Add attribute modifier equality test
5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
2018-09-28 19:31:59 -04:00

69 lines
2.1 KiB
Diff

From 7fbc8773c73f1e54b047a43056b23503f1109d3f Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Mon, 23 Jul 2018 13:08:19 -0400
Subject: [PATCH] Optimize RegistryID.c()
This is a frequent hotspot for world loading/saving.
diff --git a/src/main/java/net/minecraft/server/RegistryID.java b/src/main/java/net/minecraft/server/RegistryID.java
index d03ac0e70c..9242999f70 100644
--- a/src/main/java/net/minecraft/server/RegistryID.java
+++ b/src/main/java/net/minecraft/server/RegistryID.java
@@ -13,12 +13,14 @@ public class RegistryID<K> implements Registry<K> {
private K[] d;
private int e;
private int f;
+ private java.util.BitSet usedIds; // Paper
public RegistryID(int i) {
i = (int)((float)i / 0.8F);
this.b = (K[])(new Object[i]);
this.c = new int[i];
this.d = (K[])(new Object[i]);
+ this.usedIds = new java.util.BitSet(); // Paper
}
public int getId(@Nullable K object) {
@@ -41,9 +43,14 @@ public class RegistryID<K> implements Registry<K> {
}
private int c() {
+ // Paper start
+ /*
while(this.e < this.d.length && this.d[this.e] != null) {
++this.e;
}
+ */
+ this.e = this.usedIds.nextClearBit(0);
+ // Paper end
return this.e;
}
@@ -56,6 +63,7 @@ public class RegistryID<K> implements Registry<K> {
this.d = (K[])(new Object[i]);
this.e = 0;
this.f = 0;
+ this.usedIds.clear(); // Paper
for(int j = 0; j < aobject.length; ++j) {
if (aobject[j] != null) {
@@ -80,6 +88,7 @@ public class RegistryID<K> implements Registry<K> {
this.b[l] = object;
this.c[l] = i;
this.d[i] = object;
+ this.usedIds.set(i); // Paper
++this.f;
if (i == this.e) {
++this.e;
@@ -140,6 +149,7 @@ public class RegistryID<K> implements Registry<K> {
Arrays.fill(this.d, (Object)null);
this.e = 0;
this.f = 0;
+ this.usedIds.clear(); // Paper
}
public int b() {
--
2.19.0