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https://github.com/SparklyPower/SparklyPaper.git
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61 lines
3.3 KiB
Diff
61 lines
3.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Paul Sauve <paul@technove.co>
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Date: Thu, 4 Feb 2021 23:28:46 -0600
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Subject: [PATCH] Cache palette array
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The reasoning for reusing it in ChunkRegionLoader is because ThreadLocal
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lookups are fairly expensive, and if we put it in DataPaletteBlock the
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ThreadLocal lookup would happen 18 times.
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diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index 076d6c1e1cc049dd312ecb30518e7b25fc2d7371..68538ae94806d5980cd531e61fa52a01a5cc8997 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -424,6 +424,7 @@ public class ChunkRegionLoader {
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public static NBTTagCompound saveChunk(WorldServer worldserver, IChunkAccess ichunkaccess) {
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return saveChunk(worldserver, ichunkaccess, null);
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}
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+ private static final ThreadLocal<int[]> paletteArray = ThreadLocal.withInitial(() -> new int[4096]); // Airplane
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public static NBTTagCompound saveChunk(WorldServer worldserver, IChunkAccess ichunkaccess, AsyncSaveData asyncsavedata) {
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// Paper end
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// Tuinity start - rewrite light impl
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@@ -454,6 +455,7 @@ public class ChunkRegionLoader {
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NBTTagCompound nbttagcompound2;
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+ int[] aint = paletteArray.get(); // Airplane - use cached
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for (int i = -1; i < 17; ++i) { // Paper - conflict on loop parameter change
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int finalI = i; // CraftBukkit - decompile errors
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ChunkSection chunksection = (ChunkSection) Arrays.stream(achunksection).filter((chunksection1) -> {
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@@ -474,7 +476,7 @@ public class ChunkRegionLoader {
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nbttagcompound2 = new NBTTagCompound();
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nbttagcompound2.setByte("Y", (byte) (i & 255));
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if (chunksection != Chunk.a) {
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- chunksection.getBlocks().a(nbttagcompound2, "Palette", "BlockStates");
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+ chunksection.getBlocks().a(nbttagcompound2, "Palette", "BlockStates", aint); // Airplane
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}
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if (nibblearray != null && !nibblearray.c()) {
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diff --git a/src/main/java/net/minecraft/server/DataPaletteBlock.java b/src/main/java/net/minecraft/server/DataPaletteBlock.java
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index 73163b417af7e522a4509bf9c1ab56d6499be622..2855a2757c35afc5751a7ca6f3a12cc27c24bf96 100644
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--- a/src/main/java/net/minecraft/server/DataPaletteBlock.java
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+++ b/src/main/java/net/minecraft/server/DataPaletteBlock.java
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@@ -226,12 +226,16 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
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this.b();
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}
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+ // Airplane start - add parameter for reusing aint
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public synchronized void a(NBTTagCompound nbttagcompound, String s, String s1) { // Paper - synchronize
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+ a(nbttagcompound, s, s1, new int[4096]);
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+ }
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+ public synchronized void a(NBTTagCompound nbttagcompound, String s, String s1, int[] aint) { // Paper - synchronize // Airplane end
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this.a();
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DataPaletteHash<T> datapalettehash = new DataPaletteHash<>(this.d, this.i, this.c, this.e, this.f);
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T t0 = this.g;
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int i = datapalettehash.a(this.g);
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- int[] aint = new int[4096];
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+ //int[] aint = new int[4096]; // Airplane - use parameter
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for (int j = 0; j < 4096; ++j) {
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T t1 = this.a(j);
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