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38 lines
No EOL
1.3 KiB
Diff
38 lines
No EOL
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 27 Aug 2015 01:15:02 -0400
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Subject: [PATCH] Optimize Chunk Access
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getting a loaded chunk is one of the most hottest pieces of code in the game.
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getChunkAt is called for the same chunk multiple times in a row, often from getType();
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Optimize this look up by using a Last Access cache.
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diff --git a/src/main/java/net/minecraft/server/ChunkMap.java b/src/main/java/net/minecraft/server/ChunkMap.java
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index 4e51bd301a..7100ec7747 100644
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--- a/src/main/java/net/minecraft/server/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/ChunkMap.java
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@@ -0,0 +0,0 @@ public class ChunkMap extends Long2ObjectOpenHashMap<Chunk> {
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}
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}
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+ // Paper start
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+ if (lastChunkByPos != null && i == lastChunkByPos.chunkKey) {
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+ lastChunkByPos = null;
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+ }
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return chunk;
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}
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+ private Chunk lastChunkByPos = null; // Paper
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+
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+ @Override
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+ public Chunk get(long l) {
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+ if (lastChunkByPos != null && l == lastChunkByPos.chunkKey) {
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+ return lastChunkByPos;
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+ }
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+ return super.get(l);
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+ }
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+ // Paper end
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public Chunk a(Object object) {
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return this.a(((Long) object).longValue());
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--
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