Paper/patches/server/0411-Reduce-MutableInt-allocations-from-light-engine.patch
Nassim Jahnke 928bcc8d3a
Updated Upstream (Bukkit/CraftBukkit) (#8430)
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

Bukkit Changes:
09943450 Update SnakeYAML version
5515734f SPIGOT-7162: Incorrect description for Entity#getVehicle javadoc
6f82b381 PR-788: Add getHand() to all relevant events

CraftBukkit Changes:
aaf484f6f SPIGOT-7163: CraftMerchantRecipe doesn't copy demand and specialPrice from BukkitMerchantRecipe
5329dd6fd PR-1107: Add getHand() to all relevant events
93061706e SPIGOT-7045: Ocelots never spawn with babies with spawn reason OCELOT_BABY
2022-10-02 09:56:36 +02:00

51 lines
3.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 27 Apr 2020 02:48:06 -0700
Subject: [PATCH] Reduce MutableInt allocations from light engine
We can abuse the fact light is single threaded and share an instance
per light engine instance
diff --git a/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java b/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java
index 729c4b1763a24bac3c0764bea505555a32e54f57..37d7165dfd17da03428f8dbbbf95aa8005be289c 100644
--- a/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java
+++ b/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java
@@ -15,6 +15,7 @@ import org.apache.commons.lang3.mutable.MutableInt;
public final class BlockLightEngine extends LayerLightEngine<BlockLightSectionStorage.BlockDataLayerStorageMap, BlockLightSectionStorage> {
private static final Direction[] DIRECTIONS = Direction.values();
private final BlockPos.MutableBlockPos pos = new BlockPos.MutableBlockPos();
+ private final MutableInt mutableInt = new MutableInt(); // Paper
public BlockLightEngine(LightChunkGetter chunkProvider) {
super(chunkProvider, LightLayer.BLOCK, new BlockLightSectionStorage(chunkProvider));
@@ -44,7 +45,7 @@ public final class BlockLightEngine extends LayerLightEngine<BlockLightSectionSt
if (direction == null) {
return 15;
} else {
- MutableInt mutableInt = new MutableInt();
+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
BlockState blockState = this.getStateAndOpacity(targetId, mutableInt);
if (mutableInt.getValue() >= 15) {
return 15;
diff --git a/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java b/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java
index 56b8f6ac53e7598da4dea2180825242222f86731..ca710a20e8b97341616463f4058b61cf4999af28 100644
--- a/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java
+++ b/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java
@@ -15,6 +15,7 @@ import org.apache.commons.lang3.mutable.MutableInt;
public final class SkyLightEngine extends LayerLightEngine<SkyLightSectionStorage.SkyDataLayerStorageMap, SkyLightSectionStorage> {
private static final Direction[] DIRECTIONS = Direction.values();
private static final Direction[] HORIZONTALS = new Direction[]{Direction.NORTH, Direction.SOUTH, Direction.WEST, Direction.EAST};
+ private final MutableInt mutableInt = new MutableInt(); // Paper
public SkyLightEngine(LightChunkGetter chunkProvider) {
super(chunkProvider, LightLayer.SKY, new SkyLightSectionStorage(chunkProvider));
@@ -26,7 +27,7 @@ public final class SkyLightEngine extends LayerLightEngine<SkyLightSectionStorag
if (level >= 15) {
return level;
} else {
- MutableInt mutableInt = new MutableInt();
+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
BlockState blockState = this.getStateAndOpacity(targetId, mutableInt);
if (mutableInt.getValue() >= 15) {
return 15;