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https://github.com/BX-Team/DivineMC.git
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40 lines
2.5 KiB
Diff
40 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
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Date: Sun, 6 Jul 2025 02:55:43 +0300
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Subject: [PATCH] Pufferfish: SIMD support
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Original license: GPL v3
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Original project: https://github.com/pufferfish-gg/Pufferfish
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diff --git a/net/minecraft/server/dedicated/DedicatedServer.java b/net/minecraft/server/dedicated/DedicatedServer.java
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index 06657a0fbf65dd095519d706dd5a8e1d8b6b381a..a947fc31f6261531b6f28e5af577e74ca84f2132 100644
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--- a/net/minecraft/server/dedicated/DedicatedServer.java
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+++ b/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -198,6 +198,26 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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org.bxteam.divinemc.command.DivineCommands.registerCommands(this); // DivineMC - Configuration
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com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // Paper - load version history now
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+ // DivineMC start - Pufferfish SIMD
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+ try {
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+ gg.pufferfish.pufferfish.simd.SIMDDetection.isEnabled = gg.pufferfish.pufferfish.simd.SIMDDetection.canEnable(LOGGER);
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+ gg.pufferfish.pufferfish.simd.SIMDDetection.versionLimited = gg.pufferfish.pufferfish.simd.SIMDDetection.getJavaVersion() < 17 || gg.pufferfish.pufferfish.simd.SIMDDetection.getJavaVersion() > 21;
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+ } catch (NoClassDefFoundError | Exception ignored) {
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+ ignored.printStackTrace();
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+ }
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+
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+ if (gg.pufferfish.pufferfish.simd.SIMDDetection.isEnabled) {
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+ LOGGER.info("SIMD operations detected as functional. Will replace some operations with faster versions.");
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+ } else if (gg.pufferfish.pufferfish.simd.SIMDDetection.versionLimited) {
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+ LOGGER.warn("Will not enable SIMD! These optimizations are only safely supported on Java 17 and higher.");
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+ } else {
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+ LOGGER.warn("SIMD operations are available for your server, but are not configured!");
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+ LOGGER.warn("To enable additional optimizations, add \"--add-modules=jdk.incubator.vector\" to your startup flags, BEFORE the \"-jar\".");
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+ LOGGER.warn("If you have already added this flag, then SIMD operations are not supported on your JVM or CPU.");
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+ LOGGER.warn("Debug: Java: {}, test run: {}", System.getProperty("java.version"), gg.pufferfish.pufferfish.simd.SIMDDetection.testRun);
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+ }
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+ // DivineMC end - Pufferfish SIMD
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+
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this.setPvpAllowed(properties.pvp);
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this.setFlightAllowed(properties.allowFlight);
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this.setMotd(properties.motd);
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