From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Martijn Muijsers Date: Thu, 24 Nov 2022 01:19:12 +0100 Subject: [PATCH] SIMD support License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html) Gale - https://galemc.org This patch is based on the following patch: "Add SIMD utilities" By: Kevin Raneri As part of: Pufferfish (https://github.com/pufferfish-gg/Pufferfish) Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html) diff --git a/build.gradle.kts b/build.gradle.kts index 8f97350aac2f19a0d19e35630261dacc7b46ce52..13d1908b378e5311d8bb7f9317b4b1c2d82ea042 100644 --- a/build.gradle.kts +++ b/build.gradle.kts @@ -73,6 +73,7 @@ tasks.withType { compilerArgs.add("-Xlint:-module") compilerArgs.add("-Xlint:-removal") compilerArgs.add("-Xlint:-dep-ann") + compilerArgs.add("--add-modules=jdk.incubator.vector") // Gale - Pufferfish - SIMD support } // Gale end - hide irrelevant compilation warnings @@ -182,6 +183,7 @@ fun TaskContainer.registerRunTask( minHeapSize = "${memoryGb}G" maxHeapSize = "${memoryGb}G" jvmArgs("--enable-preview") // Gale - enable preview features for development runs + jvmArgs("--add-modules=jdk.incubator.vector") // Gale - Pufferfish - SIMD support doFirst { workingDir.mkdirs() diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java index 16ecdf3c56809100032ca627a1769e4e8c452f08..f921771c0aeba72f3f208703dbf300e8748ded17 100644 --- a/src/main/java/com/destroystokyo/paper/Metrics.java +++ b/src/main/java/com/destroystokyo/paper/Metrics.java @@ -928,6 +928,46 @@ public class Metrics { metrics.addCustomChart(new Metrics.DrilldownPie("gale_semantic_version", () -> semanticVersionMap)); // Gale end - semantic version - include in metrics + // Gale start - SIMD support - include in metrics + Map> simdSupportMap = new HashMap<>(2); // Empty until initialized + metrics.addCustomChart(new Metrics.DrilldownPie("simd_support", () -> { + if (!gg.pufferfish.pufferfish.simd.SIMDDetection.isInitialized()) { + return null; + } + if (simdSupportMap.isEmpty()) { + // Initialize + boolean isEnabled = gg.pufferfish.pufferfish.simd.SIMDDetection.isEnabled(); + + // use details as lower dimension + Map entry = new HashMap<>(2); + String details; + if (isEnabled) { + details = "int " + gg.pufferfish.pufferfish.simd.SIMDDetection.intVectorBitSize() + "*" + gg.pufferfish.pufferfish.simd.SIMDDetection.intElementSize() + ", float " + gg.pufferfish.pufferfish.simd.SIMDDetection.floatVectorBitSize() + "*" + gg.pufferfish.pufferfish.simd.SIMDDetection.floatElementSize(); + } else { + if (!gg.pufferfish.pufferfish.simd.SIMDDetection.supportingJavaVersion()) { + details = "unsupported Java"; + try { + var javaVersion = gg.pufferfish.pufferfish.simd.SIMDDetection.getJavaVersion(); + details += " (" + javaVersion + ")"; + } catch (Throwable ignored) {} + } else if (!gg.pufferfish.pufferfish.simd.SIMDDetection.testRunCompleted()) { + details = "test failed"; + } else if (gg.pufferfish.pufferfish.simd.SIMDDetection.unsupportingLaneSize()) { + details = "no supporting lane size"; + } else { + details = "other reason"; + } + } + entry.put(details, 1); + + // use enabled or not as higher dimension + simdSupportMap.put(String.valueOf(isEnabled), entry); + + } + return simdSupportMap; + })); + // Gale end - SIMD support - include in metrics + } } diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java index d42d6237831d500d0686b58abc4750896a1985c8..4fbdd8b1ead384762164c2d13180bfa230c40262 100644 --- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java +++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java @@ -20,6 +20,8 @@ import java.util.Locale; import java.util.Optional; import java.util.function.BooleanSupplier; import javax.annotation.Nullable; + +import gg.pufferfish.pufferfish.simd.SIMDDetection; import net.minecraft.DefaultUncaughtExceptionHandler; import net.minecraft.DefaultUncaughtExceptionHandlerWithName; import net.minecraft.SharedConstants; @@ -58,6 +60,7 @@ import net.minecraft.world.level.GameType; import net.minecraft.world.level.block.entity.SkullBlockEntity; import net.minecraft.world.level.storage.LevelStorageSource; import org.galemc.gale.command.GaleCommands; +import org.galemc.gale.configuration.GaleGlobalConfiguration; import org.slf4j.Logger; // CraftBukkit start @@ -244,6 +247,13 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface com.destroystokyo.paper.Metrics.PaperMetrics.startMetrics(); // Paper - start metrics com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // Paper - load version history now + // Gale start - Pufferfish - SIMD support + // Initialize vectorization + try { + SIMDDetection.initialize(); + } catch (Throwable ignored) {} + // Gale start - Pufferfish - SIMD support + this.setPvpAllowed(dedicatedserverproperties.pvp); this.setFlightAllowed(dedicatedserverproperties.allowFlight); this.setMotd(dedicatedserverproperties.motd); diff --git a/src/main/java/org/galemc/gale/configuration/GaleGlobalConfiguration.java b/src/main/java/org/galemc/gale/configuration/GaleGlobalConfiguration.java index 2a3cd1baab364126d10a42c8ab59f3da8ca9bdfb..5ade5d2ff3a68cf9e0240fc86e4b63432cb899c0 100644 --- a/src/main/java/org/galemc/gale/configuration/GaleGlobalConfiguration.java +++ b/src/main/java/org/galemc/gale/configuration/GaleGlobalConfiguration.java @@ -25,6 +25,14 @@ public class GaleGlobalConfiguration extends ConfigurationPart { public int dummyValue = 0; + // Gale start - Pufferfish - SIMD support + public Simd simd; + public class Simd extends ConfigurationPart { + public boolean warnIfDisabled = true; + public boolean logVectorSizesToConsole = false; + } + // Gale end - Pufferfish - SIMD support + } public Misc misc;