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275173e538
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: 0c5d8709 SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends 255c4fdb SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot CraftBukkit Changes: b6b514b7e SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends fcff84de9 SPIGOT-7399: Revert null check in CraftMetaItem#safelyAdd 44a4b5649 SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot 676969d01 SPIGOT-7389: Handle setting null items in ChiseledBookshelf Inventory
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 5579dad0ba8f2e4ce43883e7d36059c2a2bd1b83..fcade0a121f155dbf4f5f8af66240923d8da460d 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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@@ -147,7 +147,19 @@ 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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