64 lines
3.7 KiB
Diff
64 lines
3.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Paul Sauve <paul@technove.co>
|
|
Date: Thu, 4 Feb 2021 23:28:46 -0600
|
|
Subject: [PATCH] Cache palette array
|
|
|
|
Instead of allocating the 4KB for every chunk section, cache it locally and
|
|
reuse it for other chunk sections to save on allocations. These allocations add
|
|
up very quickly when saving chunks frequently.
|
|
|
|
1.18: PalettedContainer changed
|
|
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
|
|
index c9e942669458668a184aaec3bc0a5509dd6ab5f0..ac84d49d7819666a89cacbe9ef1199cf22ac2ac3 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
|
|
@@ -263,13 +263,17 @@ public class PalettedContainer<T> implements PaletteResize<T> {
|
|
|
|
}
|
|
|
|
+ // Paper start - allow reusing int array
|
|
public synchronized void write(CompoundTag nbt, String paletteKey, String dataKey) { // Paper - synchronize
|
|
+ this.write(nbt, paletteKey, dataKey, new int[4096]);
|
|
+ }
|
|
+ public synchronized void write(CompoundTag nbt, String paletteKey, String dataKey, int[] is) { // Paper - synchronize // Paper end
|
|
try {
|
|
this.acquire();
|
|
HashMapPalette<T> hashMapPalette = new HashMapPalette<>(this.registry, this.bits, this.dummyPaletteResize, this.reader, this.writer);
|
|
T object = this.defaultValue;
|
|
int i = hashMapPalette.idFor(this.defaultValue);
|
|
- int[] is = new int[4096];
|
|
+ //int[] is = new int[4096]; // Paper - will now be pulled from ThreadLocal
|
|
|
|
for(int j = 0; j < 4096; ++j) {
|
|
T object2 = this.get(j);
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
index 7921ee2786d0d6a60d43786b20efc03a0f9178e3..10f15b8c7763a980aec47a4b4dda5686e60642ce 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
|
|
@@ -500,6 +500,7 @@ public class ChunkSerializer {
|
|
return new AsyncSaveData(blockLight, skyLight, blockTickListSerialized, fluidTickListSerialized, blockEntitiesSerialized, world.getGameTime());
|
|
}
|
|
|
|
+ private static final ThreadLocal<int[]> PALETTE_ARRAY = ThreadLocal.withInitial(() -> new int[4096]); // Paper - maintain a per-thread cache for saving palettes
|
|
public static CompoundTag write(ServerLevel world, ChunkAccess chunk) {
|
|
return saveChunk(world, chunk, null);
|
|
}
|
|
@@ -533,6 +534,7 @@ public class ChunkSerializer {
|
|
ThreadedLevelLightEngine lightenginethreaded = world.getChunkSource().getLightEngine();
|
|
boolean flag = chunk.isLightCorrect();
|
|
|
|
+ int[] is = PALETTE_ARRAY.get(); // Paper - use cached
|
|
for (int i = lightenginethreaded.getMinLightSection(); i < lightenginethreaded.getMaxLightSection(); ++i) {
|
|
int finalI = i; // CraftBukkit - decompile errors
|
|
LevelChunkSection chunksection = (LevelChunkSection) Arrays.stream(achunksection).filter((chunksection1) -> {
|
|
@@ -547,7 +549,7 @@ public class ChunkSerializer {
|
|
|
|
nbttagcompound2.putByte("Y", (byte) (i & 255));
|
|
if (chunksection != LevelChunk.EMPTY_SECTION) {
|
|
- chunksection.getStates().write(nbttagcompound2, "Palette", "BlockStates");
|
|
+ chunksection.getStates().write(nbttagcompound2, "Palette", "BlockStates", is); // Paper - reuse array
|
|
}
|
|
|
|
// Paper start - replace light engine
|