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0f2c274998
Improves performance by keying every chunk thats part of a structure to a hashmap instead of only the first one. This allows us to avoid iterating the entire structures value set to see if a block position is inside of a structure. This should have pretty decent performance improvement to any standard world that has been around for a whilewith lots of structures due to ineffeciencies in how MC stores structures (even unloaded chunks has structured data loaded)
27 lines
1.2 KiB
Diff
27 lines
1.2 KiB
Diff
From 96892dd268a65e7af2375a9ccd7a2286dcbfa162 Mon Sep 17 00:00:00 2001
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From: mezz <tehgeek@gmail.com>
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Date: Wed, 9 Aug 2017 17:51:22 -0500
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Subject: [PATCH] Fix MC-117075: TE Unload Lag Spike
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 30cf4a251..f690aaa10 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -1574,7 +1574,11 @@ public abstract class World implements IBlockAccess {
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this.methodProfiler.c("blockEntities");
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timings.tileEntityTick.startTiming(); // Spigot
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if (!this.tileEntityListUnload.isEmpty()) {
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- this.tileEntityListTick.removeAll(this.tileEntityListUnload);
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+ // Paper start - Use alternate implementation with faster contains
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+ java.util.Set<TileEntity> toRemove = java.util.Collections.newSetFromMap(new java.util.IdentityHashMap<>());
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+ toRemove.addAll(tileEntityListUnload);
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+ this.tileEntityListTick.removeAll(toRemove);
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+ // Paper end
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//this.tileEntityList.removeAll(this.tileEntityListUnload); // Paper - remove unused list
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this.tileEntityListUnload.clear();
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}
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--
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2.15.0
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