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de04cbced5
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: f29cb801 Separate checkstyle-suppressions file is not required 86f99bbe SPIGOT-7540, PR-946: Add ServerTickManager API d4119585 SPIGOT-6903, PR-945: Add BlockData#getMapColor b7a2ed41 SPIGOT-7530, PR-947: Add Player#removeResourcePack 9dd56255 SPIGOT-7527, PR-944: Add WindCharge#explode() 994a6163 Attempt upgrade of resolver libraries CraftBukkit Changes: b3b43a6ad Add Checkstyle check for unused imports 13fb3358e SPIGOT-7544: Scoreboard#getEntries() doesn't get entries but class names 3dda99c06 SPIGOT-7540, PR-1312: Add ServerTickManager API 2ab4508c0 SPIGOT-6903, PR-1311: Add BlockData#getMapColor 1dbdbbed4 PR-1238: Remove unnecessary sign ticking 659728d2a MC-264285, SPIGOT-7439, PR-1237: Fix unbreakable flint and steel is completely consumed while igniting creeper e37e29ce0 Increase outdated build delay c00438b39 SPIGOT-7530, PR-1313: Add Player#removeResourcePack 492dd80ce SPIGOT-7527, PR-1310: Add WindCharge#explode() e11fbb9d7 Upgrade MySQL driver 9f3a0bd2a Attempt upgrade of resolver libraries 60d16d7ca PR-1306: Centralize Bukkit and Minecraft entity conversion Spigot Changes: 06d602e7 Rebuild patches
32 lines
1.4 KiB
Diff
32 lines
1.4 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: Mon, 30 Aug 2021 04:26:40 -0700
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Subject: [PATCH] Reduce worldgen thread worker count for low core count CPUs
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diff --git a/src/main/java/net/minecraft/Util.java b/src/main/java/net/minecraft/Util.java
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index e67a2aa92f9c9bb5a4ba9fc869aa738a43cd8595..7be16ce8c8582d8587c4d1cb4c099fa6fe5f1324 100644
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--- a/src/main/java/net/minecraft/Util.java
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+++ b/src/main/java/net/minecraft/Util.java
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@@ -155,7 +155,19 @@ public class Util {
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private static ExecutorService makeExecutor(String s, int priorityModifier) { // Paper - add priority
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// Paper start - use simpler thread pool that allows 1 thread
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- int i = Math.min(8, Math.max(Runtime.getRuntime().availableProcessors() - 2, 1));
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+ // Paper start - also try to avoid suffocating the system with the worldgen workers
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+ int cpus = Runtime.getRuntime().availableProcessors() / 2;
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+ int i;
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+ if (cpus <= 4) {
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+ i = cpus <= 2 ? 1 : 2;
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+ } else if (cpus <= 8) {
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+ // [5, 8]
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+ i = Math.max(3, cpus - 2);
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+ } else {
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+ i = cpus * 2 / 3;
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+ }
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+ i = Math.min(8, i);
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+ // Paper end - also try to avoid suffocating the system with the worldgen workers
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i = Integer.getInteger("Paper.WorkerThreadCount", i);
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ExecutorService executorService;
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