mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-12 18:01:07 +01:00
31 lines
1.4 KiB
Diff
31 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
|
|
Date: Mon, 30 Aug 2021 04:26:40 -0700
|
|
Subject: [PATCH] Reduce worldgen thread worker count for low core count CPUs
|
|
|
|
|
|
diff --git a/src/main/java/net/minecraft/Util.java b/src/main/java/net/minecraft/Util.java
|
|
index f4b8dca0a3cbccb55b23b2408e9a17185fd2896f..faffd25b11836915764add5c6afd63cfe424979a 100644
|
|
--- a/src/main/java/net/minecraft/Util.java
|
|
+++ b/src/main/java/net/minecraft/Util.java
|
|
@@ -124,7 +124,19 @@ public class Util {
|
|
|
|
private static ExecutorService makeExecutor(String s, int priorityModifier) { // Paper - add priority
|
|
// Paper start - use simpler thread pool that allows 1 thread
|
|
- int i = Math.min(8, Math.max(Runtime.getRuntime().availableProcessors() - 2, 1));
|
|
+ // Paper start - also try to avoid suffocating the system with the worldgen workers
|
|
+ int cpus = Runtime.getRuntime().availableProcessors() / 2;
|
|
+ int i;
|
|
+ if (cpus <= 4) {
|
|
+ i = cpus <= 2 ? 1 : 2;
|
|
+ } else if (cpus <= 8) {
|
|
+ // [5, 8]
|
|
+ i = Math.max(3, cpus - 2);
|
|
+ } else {
|
|
+ i = cpus * 2 / 3;
|
|
+ }
|
|
+ i = Math.min(8, i);
|
|
+ // Paper end - also try to avoid suffocating the system with the worldgen workers
|
|
i = Integer.getInteger("Paper.WorkerThreadCount", i);
|
|
ExecutorService executorService;
|
|
|