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Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 09943450 Update SnakeYAML version 5515734f SPIGOT-7162: Incorrect description for Entity#getVehicle javadoc 6f82b381 PR-788: Add getHand() to all relevant events CraftBukkit Changes: aaf484f6f SPIGOT-7163: CraftMerchantRecipe doesn't copy demand and specialPrice from BukkitMerchantRecipe 5329dd6fd PR-1107: Add getHand() to all relevant events 93061706e SPIGOT-7045: Ocelots never spawn with babies with spawn reason OCELOT_BABY
56 Zeilen
2.7 KiB
Diff
56 Zeilen
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Tue, 22 Sep 2020 01:49:19 -0700
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Subject: [PATCH] Optimise non-flush packet sending
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Places like entity tracking make heavy use of packet sending,
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and internally netty will use some very expensive thread wakeup
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calls when scheduling.
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Thanks to various hacks in ProtocolLib as well as other
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plugins, we cannot simply use a queue of packets to group
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send on execute. We have to call execute for each packet.
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Tux's suggestion here is exactly what was needed - tag
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the Runnable indicating it should not make a wakeup call.
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Big thanks to Tux for making this possible as I had given
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up on this optimisation before he came along.
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Locally this patch drops the entity tracker tick by a full 1.5x.
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diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
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index 335d9e5f11ad3469f3a0310782e41283973f5a5f..957fc22a6c79fd480fefc3cce9cc374d25bc8cf9 100644
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--- a/src/main/java/net/minecraft/network/Connection.java
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+++ b/src/main/java/net/minecraft/network/Connection.java
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@@ -46,6 +46,8 @@ import org.slf4j.Logger;
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import org.slf4j.Marker;
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import org.slf4j.MarkerFactory;
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+
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+import io.netty.util.concurrent.AbstractEventExecutor; // Paper
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public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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private static final float AVERAGE_PACKETS_SMOOTHING = 0.75F;
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@@ -418,9 +420,19 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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if (this.channel.eventLoop().inEventLoop()) {
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this.doSendPacket(packet, callbacks, enumprotocol, enumprotocol1, flush); // Paper
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} else {
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+ // Paper start - optimise packets that are not flushed
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+ // note: since the type is not dynamic here, we need to actually copy the old executor code
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+ // into two branches. On conflict, just re-copy - no changes were made inside the executor code.
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+ if (!flush) {
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+ AbstractEventExecutor.LazyRunnable run = () -> {
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+ this.doSendPacket(packet, callbacks, enumprotocol, enumprotocol1, flush); // Paper - add flush parameter
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+ };
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+ this.channel.eventLoop().execute(run);
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+ } else { // Paper end - optimise packets that are not flushed
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this.channel.eventLoop().execute(() -> {
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- this.doSendPacket(packet, callbacks, enumprotocol, enumprotocol1, flush); // Paper
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+ this.doSendPacket(packet, callbacks, enumprotocol, enumprotocol1, flush); // Paper - add flush parameter // Paper - diff on change
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});
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+ } // Paper
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}
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}
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