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210a32f26f
Due to some complexity in mojangs complicated chain of juggling whether or not a chunk should be unloaded when the last ticket is removed, many chunks are remaining around in the cache. These chunks are never being targetted for unload because they are vastly out of view distance range and have no reason to be looked at. This is a huge issue for performance because we have to iterate these chunks EVERY TICK... This is what's been leading to high SELF time in Ticking Chunks timings/profiler results. We will now detect these chunks in that iteration, and automatically add it to the unload queue when the chunk is found without any tickets.
56 lines
2.4 KiB
Diff
56 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 4 Jul 2018 02:13:59 -0400
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Subject: [PATCH] Store counts for each Entity/Block Entity Type
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Opens door for future patches to optimize performance
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index e1ac0c479ebfa2da69575db2032dd1415c4a41a5..f1b9b937e8ced0c718db463c94d716422113c396 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -56,15 +56,19 @@ public class Chunk implements IChunkAccess {
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}
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// Paper start
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+ public final co.aikar.util.Counter<String> entityCounts = new co.aikar.util.Counter<>();
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+ public final co.aikar.util.Counter<String> tileEntityCounts = new co.aikar.util.Counter<>();
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private class TileEntityHashMap extends java.util.HashMap<BlockPosition, TileEntity> {
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@Override
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public TileEntity put(BlockPosition key, TileEntity value) {
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TileEntity replaced = super.put(key, value);
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if (replaced != null) {
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replaced.setCurrentChunk(null);
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+ tileEntityCounts.decrement(replaced.getMinecraftKeyString());
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}
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if (value != null) {
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value.setCurrentChunk(Chunk.this);
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+ tileEntityCounts.increment(value.getMinecraftKeyString());
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}
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return replaced;
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}
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@@ -74,6 +78,7 @@ public class Chunk implements IChunkAccess {
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TileEntity removed = super.remove(key);
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if (removed != null) {
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removed.setCurrentChunk(null);
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+ tileEntityCounts.decrement(removed.getMinecraftKeyString());
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}
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return removed;
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}
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@@ -489,6 +494,7 @@ public class Chunk implements IChunkAccess {
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k = this.entitySlices.length - 1;
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}
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+ if (!entity.inChunk || entity.getCurrentChunk() != this) entityCounts.increment(entity.getMinecraftKeyString()); // Paper
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entity.inChunk = true;
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entity.setCurrentChunk(this); // Paper
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entity.chunkX = this.loc.x;
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@@ -522,6 +528,7 @@ public class Chunk implements IChunkAccess {
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if (!this.entitySlices[i].remove(entity)) {
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return;
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}
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+ entityCounts.decrement(entity.getMinecraftKeyString());
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// Paper end
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this.entities.remove(entity); // Paper
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}
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