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e886d8118e
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing
50 lines
2.9 KiB
Diff
50 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Mon, 27 Apr 2020 02:48:06 -0700
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Subject: [PATCH] Reduce MutableInt allocations from light engine
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We can abuse the fact light is single threaded and share an instance
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per light engine instance
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diff --git a/src/main/java/net/minecraft/server/LightEngineBlock.java b/src/main/java/net/minecraft/server/LightEngineBlock.java
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index 29e12f76a3e424d36506144e09e083cc5ce3bedc..4db28b9a9b8a1e91911126172c6670c252dd49cb 100644
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--- a/src/main/java/net/minecraft/server/LightEngineBlock.java
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+++ b/src/main/java/net/minecraft/server/LightEngineBlock.java
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@@ -6,6 +6,7 @@ public final class LightEngineBlock extends LightEngineLayer<LightEngineStorageB
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private static final EnumDirection[] e = EnumDirection.values();
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private final BlockPosition.MutableBlockPosition f = new BlockPosition.MutableBlockPosition();
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+ private final MutableInt mutableint = new MutableInt(); // Paper
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public LightEngineBlock(ILightAccess ilightaccess) {
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super(ilightaccess, EnumSkyBlock.BLOCK, new LightEngineStorageBlock(ilightaccess));
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@@ -37,7 +38,7 @@ public final class LightEngineBlock extends LightEngineLayer<LightEngineStorageB
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if (enumdirection == null) {
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return 15;
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} else {
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- MutableInt mutableint = new MutableInt();
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+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
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IBlockData iblockdata = this.a(j, mutableint);
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if (mutableint.getValue() >= 15) {
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diff --git a/src/main/java/net/minecraft/server/LightEngineSky.java b/src/main/java/net/minecraft/server/LightEngineSky.java
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index 2301a982e17ab9568e3da9ca84c4a024c7c1b214..f0b57784006752e031800a12a1a3c1a5945c636b 100644
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--- a/src/main/java/net/minecraft/server/LightEngineSky.java
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+++ b/src/main/java/net/minecraft/server/LightEngineSky.java
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@@ -6,6 +6,7 @@ public final class LightEngineSky extends LightEngineLayer<LightEngineStorageSky
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private static final EnumDirection[] e = EnumDirection.values();
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private static final EnumDirection[] f = new EnumDirection[]{EnumDirection.NORTH, EnumDirection.SOUTH, EnumDirection.WEST, EnumDirection.EAST};
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+ private final MutableInt mutableint = new MutableInt(); // Paper
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public LightEngineSky(ILightAccess ilightaccess) {
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super(ilightaccess, EnumSkyBlock.SKY, new LightEngineStorageSky(ilightaccess));
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@@ -27,7 +28,7 @@ public final class LightEngineSky extends LightEngineLayer<LightEngineStorageSky
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if (k >= 15) {
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return k;
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} else {
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- MutableInt mutableint = new MutableInt();
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+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
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IBlockData iblockdata = this.a(j, mutableint);
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if (mutableint.getValue() >= 15) {
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