mirror of
https://github.com/BX-Team/DivineMC.git
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61 lines
3.0 KiB
Diff
61 lines
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
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Date: Fri, 11 Jul 2025 20:39:54 +0300
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Subject: [PATCH] Paper PR: Optimise non-flush packet sending
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Original project: https://github.com/PaperMC/Paper
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Original license: GPLv3
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Paper pull request: https://github.com/PaperMC/Paper/pull/10172
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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/net/minecraft/network/Connection.java b/net/minecraft/network/Connection.java
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index 3f60d1b0ac91cfd3418e791222cd7267774b367a..882a912ba3f23ee8239c24068704d9ec9a7f7c40 100644
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--- a/net/minecraft/network/Connection.java
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+++ b/net/minecraft/network/Connection.java
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@@ -150,6 +150,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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// Paper start - Optimize network
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public boolean isPending = true;
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public boolean queueImmunity;
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+ private io.netty.channel.SingleThreadEventLoop eventLoop; // Paper - Optimise non-flush packet sending
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// Paper end - Optimize network
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public Connection(PacketFlow receiving) {
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@@ -160,6 +161,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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public void channelActive(ChannelHandlerContext context) throws Exception {
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super.channelActive(context);
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this.channel = context.channel();
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+ this.eventLoop = (io.netty.channel.SingleThreadEventLoop) this.channel.eventLoop(); // Paper - Optimise non-flush packet sending
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this.address = this.channel.remoteAddress();
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this.preparing = false; // Spigot
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if (this.delayedDisconnect != null) {
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@@ -474,7 +476,13 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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if (this.channel.eventLoop().inEventLoop()) {
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this.doSendPacket(packet, channelFutureListener, flag);
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} else {
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- this.channel.eventLoop().execute(() -> this.doSendPacket(packet, channelFutureListener, flag));
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+ // Paper start - Optimise non-flush packet sending
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+ if (!flag && org.bxteam.divinemc.config.DivineConfig.NetworkCategory.optimizeNonFlushPacketSending) {
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+ this.eventLoop.lazyExecute(() -> this.doSendPacket(packet, channelFutureListener, flag));
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+ } else {
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+ this.channel.eventLoop().execute(() -> this.doSendPacket(packet, channelFutureListener, flag));
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+ }
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+ // Paper end - Optimise non-flush packet sending
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}
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}
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