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e035fd7034
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: cc9aa21a SPIGOT-6399, SPIGOT-7344: Clarify collidable behavior for player entities f23325b6 Add API for per-world simulation distances 26e1774e Add API for per-world view distances 0b541e60 Add PlayerLoginEvent#getRealAddress 5f027d2d PR-949: Add Vector#fromJOML() overloads for read-only vector types CraftBukkit Changes: bcf56171a PR-1321: Clean up some stuff which got missed during previous PRs 7f833a2d1 SPIGOT-7462: Players no longer drop XP after dying near a Sculk Catalyst 752aac669 Implement APIs for per world view and simulation distances 57d7ef433 Preserve empty enchantment tags for glow effect 465ec3fb4 Remove connected check on setScoreboard f90ce621e Use one PermissibleBase for all command blocks 5876cca44 SPIGOT-7550: Fix creation of Arrow instances f03fc3aa3 SPIGOT-7549: ServerTickManager#setTickRate incorrect Precondition 9d7f49b01 SPIGOT-7548: Fix wrong spawn location for experience orb and dropped item Spigot Changes: ed9ba9a4 Drop no longer required patch ignoring -o option 86b5dd6a SPIGOT-7546: Fix hardcoded check for outdated client message aa7cde7a Remove obsolete APIs for per world view and simulation distances 6dff577e Remove obsolete patch preserving empty `ench` tags a3bf95b8 Remove obsolete PlayerLoginEvent#getRealAddress 1b02f5d6 Remove obsolete connected check on setScoreboard patch acf717eb Remove obsolete command block PermissibleBase patch 053fa2a9 Remove redundant patch dealing with null tile entities
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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