66 lines
2.7 KiB
Diff
66 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: MrHua269 <wangxyper@163.com>
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Date: Sun, 12 Jan 2025 15:22:25 +0800
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Subject: [PATCH] Pufferfish SIMD Utilities
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diff --git a/src/main/java/me/earthme/luminol/config/modules/optimizations/SIMDConfig.java b/src/main/java/me/earthme/luminol/config/modules/optimizations/SIMDConfig.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..76cea165bcef0794a66ef7c29721f7716869420f
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--- /dev/null
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+++ b/src/main/java/me/earthme/luminol/config/modules/optimizations/SIMDConfig.java
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@@ -0,0 +1,53 @@
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+package me.earthme.luminol.config.modules.optimizations;
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+
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+import com.electronwill.nightconfig.core.file.CommentedFileConfig;
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+import com.mojang.logging.LogUtils;
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+import gg.pufferfish.pufferfish.simd.SIMDDetection;
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+import me.earthme.luminol.config.ConfigInfo;
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+import me.earthme.luminol.config.DoNotLoad;
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+import me.earthme.luminol.config.EnumConfigCategory;
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+import me.earthme.luminol.config.IConfigModule;
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+import org.slf4j.Logger;
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+
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+public class SIMDConfig implements IConfigModule {
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+ @DoNotLoad
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+ private static final Logger LOGGER = LogUtils.getLogger();
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+ @ConfigInfo(baseName = "enabled")
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+ public static boolean enabled = true;
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+
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+ @Override
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+ public EnumConfigCategory getCategory() {
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+ return EnumConfigCategory.OPTIMIZATIONS;
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+ }
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+
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+ @Override
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+ public String getBaseName() {
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+ return "use_simd";
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+ }
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+
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+ @Override
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+ public void onLoaded(CommentedFileConfig configInstance) {
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+ if (!enabled){
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+ return;
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+ }
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+
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+ // Attempt to detect vectorization
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+ try {
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+ SIMDDetection.isEnabled = SIMDDetection.canEnable(LOGGER);
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+ SIMDDetection.versionLimited = SIMDDetection.getJavaVersion() < 17;
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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 (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 (SIMDDetection.versionLimited) {
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+ LOGGER.warn("Will not enable SIMD! These optimizations are only safely supported on Java 17+.");
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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"), SIMDDetection.testRun);
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+ }
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+ }
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+}
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