papermc/Spigot-Server-Patches/0122-Cache-user-authenticator-threads.patch
Spottedleaf d16a5d8813 Performance patches prerequisite (#2802)
Prereq changes for the coming storm of performance patches.
Includes optimising incremental saving
2020-01-27 18:16:53 -06:00

71 lines
3.3 KiB
Diff

From b1dc43a6bec6886fc0525ee34cd394fbd1a38d74 Mon Sep 17 00:00:00 2001
From: vemacs <d@nkmem.es>
Date: Wed, 23 Nov 2016 08:31:45 -0500
Subject: [PATCH] Cache user authenticator threads
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index a5701623bf..d3bdec7995 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -4,7 +4,9 @@ import com.google.common.collect.Lists;
import com.mojang.authlib.GameProfile;
import com.mojang.datafixers.util.Either;
import io.netty.util.concurrent.Future;
+import java.util.ArrayDeque; // Paper
import java.util.Collection;
+import java.util.Deque; // Paper
import java.util.Iterator;
import java.util.List;
import java.util.OptionalInt;
@@ -41,7 +43,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
public PlayerConnection playerConnection;
public final MinecraftServer server;
public final PlayerInteractManager playerInteractManager;
- public final List<Integer> removeQueue = Lists.newLinkedList();
+ public final Deque<Integer> removeQueue = new ArrayDeque<>(); // Paper
private final AdvancementDataPlayer advancementDataPlayer;
private final ServerStatisticManager serverStatisticManager;
private float lastHealthScored = Float.MIN_VALUE;
@@ -371,13 +373,20 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
while (!this.removeQueue.isEmpty()) {
int i = Math.min(this.removeQueue.size(), Integer.MAX_VALUE);
int[] aint = new int[i];
- Iterator<Integer> iterator = this.removeQueue.iterator();
+ //Iterator<Integer> iterator = this.removeQueue.iterator(); // Paper
int j = 0;
- while (iterator.hasNext() && j < i) {
+ // Paper start
+ /* while (iterator.hasNext() && j < i) {
aint[j++] = (Integer) iterator.next();
iterator.remove();
+ } */
+
+ Integer integer;
+ while (j < i && (integer = this.removeQueue.poll()) != null) {
+ aint[j++] = integer.intValue();
}
+ // Paper end
this.playerConnection.sendPacket(new PacketPlayOutEntityDestroy(aint));
}
@@ -1332,7 +1341,14 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
this.lastHealthSent = -1.0F;
this.lastFoodSent = -1;
// this.recipeBook.a((RecipeBook) entityplayer.recipeBook); // CraftBukkit
- this.removeQueue.addAll(entityplayer.removeQueue);
+ // Paper start - Optimize remove queue - vanilla copies player objects, but CB doesn't. This method currently only
+ // Applies to the same player, so we need to not duplicate our removal queue. The rest of this method does "resetting"
+ // type logic so it does need to be called, maybe? This is silly.
+ //this.removeQueue.addAll(entityplayer.removeQueue);
+ if (this.removeQueue != entityplayer.removeQueue) {
+ this.removeQueue.addAll(entityplayer.removeQueue);
+ }
+ // Paper end
this.cm = entityplayer.cm;
this.cr = entityplayer.cr;
this.setShoulderEntityLeft(entityplayer.getShoulderEntityLeft());
--
2.25.0.windows.1