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f0409edcd7
Upon further knowledge of the system, it is known that region files are closing properly, as well as this didn't help native memory use anyways. This patch also caused issues compiling on a newer JDK being able to release the jar to java 8 users.
51 lines
2.9 KiB
Diff
51 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 93a972605c26aa757b9c915876f847da04fcb496..07fadc21ee12138b52cc77c50da536fec5b032f5 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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