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Optimize DataWatcher

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Use primitive orientated collections, as well as more effective copies across collections.

By: md_5 <git@md-5.net>
This commit is contained in:
Spigot
2013-12-13 11:45:53 +11:00
parent 9a3140c935
commit ec82d3b06b
2 changed files with 476 additions and 1 deletions
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113
CraftBukkit-Patches/0073-Optimize-DataWatcher.patch Normal file
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@@ -0,0 +1,113 @@
From 5121839a20fa4b458f7a22946b40923405568734 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Fri, 13 Dec 2013 11:45:47 +1100
Subject: [PATCH] Optimize DataWatcher
Use primitive orientated collections, as well as more effective copies across collections.
diff --git a/src/main/java/net/minecraft/server/DataWatcher.java b/src/main/java/net/minecraft/server/DataWatcher.java
index 90a2a80..5402e5c 100644
--- a/src/main/java/net/minecraft/server/DataWatcher.java
+++ b/src/main/java/net/minecraft/server/DataWatcher.java
@@ -14,8 +14,8 @@ public class DataWatcher {
private final Entity a;
private boolean b = true;
- private static final HashMap c = new HashMap();
- private final Map d = new HashMap();
+ private static final gnu.trove.map.TObjectIntMap c = new gnu.trove.map.hash.TObjectIntHashMap(); // Spigot
+ private final gnu.trove.map.TIntObjectMap d = new gnu.trove.map.hash.TIntObjectHashMap(); // Spigot
private boolean e;
private ReadWriteLock f = new ReentrantReadWriteLock();
@@ -36,7 +36,7 @@ public class DataWatcher {
WatchableObject watchableobject = new WatchableObject(integer.intValue(), i, object);
this.f.writeLock().lock();
- this.d.put(Integer.valueOf(i), watchableobject);
+ this.d.put(i, watchableobject); // Spigot
this.f.writeLock().unlock();
this.b = false;
}
@@ -46,7 +46,7 @@ public class DataWatcher {
WatchableObject watchableobject = new WatchableObject(j, i, null);
this.f.writeLock().lock();
- this.d.put(Integer.valueOf(i), watchableobject);
+ this.d.put(i, watchableobject); // Spigot
this.f.writeLock().unlock();
this.b = false;
}
@@ -81,7 +81,7 @@ public class DataWatcher {
WatchableObject watchableobject;
try {
- watchableobject = (WatchableObject) this.d.get(Integer.valueOf(i));
+ watchableobject = (WatchableObject) this.d.get(i); // Spigot
} catch (Throwable throwable) {
CrashReport crashreport = CrashReport.a(throwable, "Getting synched entity data");
CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Synched entity data");
@@ -133,7 +133,7 @@ public class DataWatcher {
if (this.e) {
this.f.readLock().lock();
- Iterator iterator = this.d.values().iterator();
+ Iterator iterator = this.d.valueCollection().iterator(); // Spigot
while (iterator.hasNext()) {
WatchableObject watchableobject = (WatchableObject) iterator.next();
@@ -157,7 +157,7 @@ public class DataWatcher {
public void a(PacketDataSerializer packetdataserializer) {
this.f.readLock().lock();
- Iterator iterator = this.d.values().iterator();
+ Iterator iterator = this.d.valueCollection().iterator(); // Spigot
while (iterator.hasNext()) {
WatchableObject watchableobject = (WatchableObject) iterator.next();
@@ -170,18 +170,11 @@ public class DataWatcher {
}
public List c() {
- ArrayList arraylist = null;
+ ArrayList arraylist = new ArrayList(); // Spigot
this.f.readLock().lock();
- WatchableObject watchableobject;
-
- for (Iterator iterator = this.d.values().iterator(); iterator.hasNext(); arraylist.add(watchableobject)) {
- watchableobject = (WatchableObject) iterator.next();
- if (arraylist == null) {
- arraylist = new ArrayList();
- }
- }
+ arraylist.addAll(this.d.valueCollection()); // Spigot
this.f.readLock().unlock();
return arraylist;
@@ -295,12 +288,14 @@ public class DataWatcher {
}
static {
- c.put(Byte.class, Integer.valueOf(0));
- c.put(Short.class, Integer.valueOf(1));
- c.put(Integer.class, Integer.valueOf(2));
- c.put(Float.class, Integer.valueOf(3));
- c.put(String.class, Integer.valueOf(4));
- c.put(ItemStack.class, Integer.valueOf(5));
- c.put(ChunkCoordinates.class, Integer.valueOf(6));
+ // Spigot Start - remove valueOf
+ c.put(Byte.class, 0);
+ c.put(Short.class, 1);
+ c.put(Integer.class, 2);
+ c.put(Float.class, 3);
+ c.put(String.class, 4);
+ c.put(ItemStack.class, 5);
+ c.put(ChunkCoordinates.class, 6);
+ // Spigot End
}
}
--
1.8.3.2