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52 Zeilen
2.6 KiB
Diff
52 Zeilen
2.6 KiB
Diff
From 147fdac9554b71e235db05a344cd6d5dbda149a4 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 30 Mar 2016 02:13:24 -0400
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Subject: [PATCH] Use Optimized Collections
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Swap out CraftBukkit LongObjectHashMap with Long2ObjectOpenHashMap
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Swap out Integer key HashMap for a Int2ObjectOpenHashMap For ChunkProviderServer
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Amaranth, the creator of LongObjectHashMap, tested it vs fastutil and determined fastutil to be 3x faster
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and could not create anything faster than fastutil.
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These collections are super fast as seen
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http://java-performance.info/hashmap-overview-jdk-fastutil-goldman-sachs-hppc-koloboke-trove-january-2015/
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diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index c81b404b..4d0cb971 100644
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--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
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+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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@@ -24,7 +24,7 @@ import org.bukkit.event.world.ChunkUnloadEvent;
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public class ChunkProviderServer implements IChunkProvider {
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private static final Logger a = LogManager.getLogger();
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- public final Set<Long> unloadQueue = Sets.newHashSet();
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+ public final it.unimi.dsi.fastutil.longs.LongSet unloadQueue = new it.unimi.dsi.fastutil.longs.LongArraySet(); // PAIL: private -> public // Paper
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public final ChunkGenerator chunkGenerator;
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private final IChunkLoader chunkLoader;
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// Paper start
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diff --git a/src/main/java/net/minecraft/server/DataWatcher.java b/src/main/java/net/minecraft/server/DataWatcher.java
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index 1507f97f..fe848445 100644
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--- a/src/main/java/net/minecraft/server/DataWatcher.java
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+++ b/src/main/java/net/minecraft/server/DataWatcher.java
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@@ -12,6 +12,7 @@ import java.util.Map;
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import java.util.concurrent.locks.ReadWriteLock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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import javax.annotation.Nullable;
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+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap; // Paper
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import org.apache.commons.lang3.ObjectUtils;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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@@ -21,7 +22,7 @@ public class DataWatcher {
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private static final Logger a = LogManager.getLogger();
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private static final Map<Class<? extends Entity>, Integer> b = Maps.newHashMap();
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private final Entity c;
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- private final Map<Integer, DataWatcher.Item<?>> d = Maps.newHashMap();
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+ private final Map<Integer, DataWatcher.Item<?>> d = new Int2ObjectOpenHashMap<>(); // Paper
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private final ReadWriteLock e = new ReentrantReadWriteLock();
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private boolean f = true;
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private boolean g;
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--
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2.13.1.windows.2
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