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20503beee5
Messing with game time sent to the client isn't worth the trouble whenever it may be used by the client now and in the future for such a small issue. Mojang, plz fix
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 439ae035d8b2787916e017e2636115b5455811f1..a54c0a4d0849087229d08ccc89872c3603f2f426 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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@@ -146,7 +146,19 @@ 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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