papermc/CraftBukkit-Patches/0008-More-Efficient-Chunk-Save-Queue.patch
Zach Brown 19972e09b8 Update SpigotMC's patches
5a0150f586ed3eb15fe6f1f596d1a5a7d806f0f9 Fix ITEM_BREAK
e6a3911057bd94d8bd7021cbb4923fb84fb106d1 Upstream merge
d1cdcf8d4c3639f956474f02ed662517cffbe23e Remove old patch
068df64aeee368377e1673667bffc7a6dcf90554 Rebuild all patches
2014-11-30 16:16:48 -06:00

109 lines
4.5 KiB
Diff

From 0c6626c35833657924083433faabd8d7279dce79 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Tue, 11 Jun 2013 12:09:45 +1000
Subject: [PATCH] More Efficient Chunk Save Queue
Optimizes the data structures behind the chunk save queue into ones more suitable for the type of data and access which they are used for.
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index 527ab42..33bb889 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -15,8 +15,11 @@ import org.apache.logging.log4j.Logger;
public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
private static final Logger a = LogManager.getLogger();
- private List b = Lists.newArrayList();
- private Set c = Sets.newHashSet();
+ // Spigot start
+ private java.util.LinkedHashMap<ChunkCoordIntPair, PendingChunkToSave> pendingSaves = new java.util.LinkedHashMap<ChunkCoordIntPair, PendingChunkToSave>();
+ // private List b = Lists.newArrayList();
+ // private Set c = Sets.newHashSet();
+ // Spigot end
private Object d = new Object();
private final File e;
@@ -29,13 +32,11 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
synchronized (this.d) {
- if (this.c.contains(chunkcoordintpair)) {
- for (int k = 0; k < this.b.size(); ++k) {
- if (((PendingChunkToSave) this.b.get(k)).a.equals(chunkcoordintpair)) {
- return true;
- }
- }
- }
+ // Spigot start
+ if (pendingSaves.containsKey(chunkcoordintpair)) {
+ return true;
+ }
+ // Spigot end
}
return RegionFileCache.a(this.e, i, j).chunkExists(i & 31, j & 31);
@@ -62,14 +63,12 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
Object object = this.d;
synchronized (this.d) {
- if (this.c.contains(chunkcoordintpair)) {
- for (int k = 0; k < this.b.size(); ++k) {
- if (((PendingChunkToSave) this.b.get(k)).a.equals(chunkcoordintpair)) {
- nbttagcompound = ((PendingChunkToSave) this.b.get(k)).b;
- break;
- }
- }
+ // Spigot start
+ PendingChunkToSave pendingchunktosave = pendingSaves.get(chunkcoordintpair);
+ if (pendingchunktosave != null) {
+ nbttagcompound = pendingchunktosave.b;
}
+ // Spigot end
}
if (nbttagcompound == null) {
@@ -150,17 +149,14 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
Object object = this.d;
synchronized (this.d) {
- if (this.c.contains(chunkcoordintpair)) {
- for (int i = 0; i < this.b.size(); ++i) {
- if (((PendingChunkToSave) this.b.get(i)).a.equals(chunkcoordintpair)) {
- this.b.set(i, new PendingChunkToSave(chunkcoordintpair, nbttagcompound));
- return;
- }
- }
+ // Spigot start
+ if (this.pendingSaves.put(chunkcoordintpair, new PendingChunkToSave(chunkcoordintpair, nbttagcompound)) != null) {
+ return;
}
- this.b.add(new PendingChunkToSave(chunkcoordintpair, nbttagcompound));
- this.c.add(chunkcoordintpair);
+ // this.b.add(new PendingChunkToSave(chunkcoordintpair, nbttagcompound));
+ // this.c.add(chunkcoordintpair);
+ // Spigot end
FileIOThread.a().a(this);
}
}
@@ -170,12 +166,14 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
Object object = this.d;
synchronized (this.d) {
- if (this.b.isEmpty()) {
+ // Spigot start
+ if (this.pendingSaves.isEmpty()) {
return false;
}
- pendingchunktosave = (PendingChunkToSave) this.b.remove(0);
- this.c.remove(pendingchunktosave.a);
+ pendingchunktosave = this.pendingSaves.values().iterator().next();
+ this.pendingSaves.remove(pendingchunktosave.a);
+ // Spigot end
}
if (pendingchunktosave != null) {
--
2.1.0