Files
LuminolMC/patches/server/0040-Pufferfish-SIMD-Utilities.patch
2025-01-11 18:41:51 +08:00

85 lines
3.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrHua269 <wangxyper@163.com>
Date: Wed, 4 Dec 2024 23:51:17 +0800
Subject: [PATCH] Pufferfish SIMD Utilities
diff --git a/build.gradle.kts b/build.gradle.kts
index 4b79f96103c98896332113ffe5f0e22cf08ffdd1..fbf51f738e98ac6e8358a7fa81b7fc545469a5a6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -94,6 +94,14 @@ paperweight {
craftBukkitPackageVersion.set("v1_21_R3") // also needs to be updated in MappingEnvironment
}
+
+// Pufferfish Start
+tasks.withType<JavaCompile> {
+ val compilerArgs = options.compilerArgs
+ compilerArgs.add("--add-modules=jdk.incubator.vector")
+}
+// Pufferfish End
+
tasks.jar {
archiveClassifier.set("dev")
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
new file mode 100644
index 0000000000000000000000000000000000000000..76cea165bcef0794a66ef7c29721f7716869420f
--- /dev/null
+++ b/src/main/java/me/earthme/luminol/config/modules/optimizations/SIMDConfig.java
@@ -0,0 +1,53 @@
+package me.earthme.luminol.config.modules.optimizations;
+
+import com.electronwill.nightconfig.core.file.CommentedFileConfig;
+import com.mojang.logging.LogUtils;
+import gg.pufferfish.pufferfish.simd.SIMDDetection;
+import me.earthme.luminol.config.ConfigInfo;
+import me.earthme.luminol.config.DoNotLoad;
+import me.earthme.luminol.config.EnumConfigCategory;
+import me.earthme.luminol.config.IConfigModule;
+import org.slf4j.Logger;
+
+public class SIMDConfig implements IConfigModule {
+ @DoNotLoad
+ private static final Logger LOGGER = LogUtils.getLogger();
+ @ConfigInfo(baseName = "enabled")
+ public static boolean enabled = true;
+
+ @Override
+ public EnumConfigCategory getCategory() {
+ return EnumConfigCategory.OPTIMIZATIONS;
+ }
+
+ @Override
+ public String getBaseName() {
+ return "use_simd";
+ }
+
+ @Override
+ public void onLoaded(CommentedFileConfig configInstance) {
+ if (!enabled){
+ return;
+ }
+
+ // Attempt to detect vectorization
+ try {
+ SIMDDetection.isEnabled = SIMDDetection.canEnable(LOGGER);
+ SIMDDetection.versionLimited = SIMDDetection.getJavaVersion() < 17;
+ } catch (NoClassDefFoundError | Exception ignored) {
+ ignored.printStackTrace();
+ }
+
+ if (SIMDDetection.isEnabled) {
+ LOGGER.info("SIMD operations detected as functional. Will replace some operations with faster versions.");
+ } else if (SIMDDetection.versionLimited) {
+ LOGGER.warn("Will not enable SIMD! These optimizations are only safely supported on Java 17+.");
+ } else {
+ LOGGER.warn("SIMD operations are available for your server, but are not configured!");
+ LOGGER.warn("To enable additional optimizations, add \"--add-modules=jdk.incubator.vector\" to your startup flags, BEFORE the \"-jar\".");
+ LOGGER.warn("If you have already added this flag, then SIMD operations are not supported on your JVM or CPU.");
+ LOGGER.warn("Debug: Java: {}, test run: {}", System.getProperty("java.version"), SIMDDetection.testRun);
+ }
+ }
+}