61 lines
3.2 KiB
Diff
61 lines
3.2 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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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..c4ba30bd56e2ead6015c0109f8e889388afeb7f2 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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@@ -37,7 +37,10 @@ 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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+ // Paper start - reduce mutableint allocations
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+ MutableInt mutableint = com.destroystokyo.paper.util.pooled.PooledObjects.POOLED_MUTABLE_INTEGERS.acquire();
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+ try {
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+ // Paper end - reduce mutableint allocations
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IBlockData iblockdata = this.a(j, mutableint);
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if (mutableint.getValue() >= 15) {
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@@ -49,6 +52,10 @@ public final class LightEngineBlock extends LightEngineLayer<LightEngineStorageB
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return VoxelShapes.b(voxelshape, voxelshape1) ? 15 : k + Math.max(1, mutableint.getValue());
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}
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+ } finally { // Paper start - reduce mutableint allocations
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+ com.destroystokyo.paper.util.pooled.PooledObjects.POOLED_MUTABLE_INTEGERS.release(mutableint);
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+ }
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+ // Paper end - reduce mutableint allocations
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}
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}
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}
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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..0b4f4604f4ea444017c021768574646a8d11ba26 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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@@ -27,7 +27,10 @@ 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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+ // Paper start - reduce mutableint allocations
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+ MutableInt mutableint = com.destroystokyo.paper.util.pooled.PooledObjects.POOLED_MUTABLE_INTEGERS.acquire();
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+ try {
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+ // Paper end - reduce mutableint allocations
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IBlockData iblockdata = this.a(j, mutableint);
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if (mutableint.getValue() >= 15) {
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@@ -85,6 +88,10 @@ public final class LightEngineSky extends LightEngineLayer<LightEngineStorageSky
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return flag1 && k == 0 && mutableint.getValue() == 0 ? 0 : k + Math.max(1, mutableint.getValue());
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}
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+ } finally { // Paper start - reduce mutableint allocations
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+ com.destroystokyo.paper.util.pooled.PooledObjects.POOLED_MUTABLE_INTEGERS.release(mutableint);
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+ }
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+ // Paper end - reduce mutableint allocations
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}
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}
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}
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