Final timings calls (API)

2026-01-06 15:41:56 +00:00 · 2022-12-24 22:37:57 +01:00
parent 1a2e922f47
commit a455701b06
8 changed files with 92 additions and 1 deletions
--- a/patches/api/0004-SIMD-support.patch
+++ b/patches/api/0004-SIMD-support.patch
@@ -0,0 +1,119 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Martijn Muijsers <martijnmuijsers@live.nl>
+Date: Thu, 24 Nov 2022 01:21:32 +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 <kevin.raneri@gmail.com>
+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 447b549bc7035410ae18f3e9063de2d014530b98..33e7179c81310283e5e6efb5fd776a60ae669624 100644
+--- a/build.gradle.kts
+++ b/build.gradle.kts
+@@ -89,6 +89,7 @@ tasks.withType<JavaCompile> {
+     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
+ 
+diff --git a/src/main/java/gg/pufferfish/pufferfish/simd/SIMDChecker.java b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDChecker.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..d51f9de6ac01f518ca9577827dc719daad78df4c
+--- /dev/null
+++ b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDChecker.java
+@@ -0,0 +1,44 @@
+// Gale - Pufferfish - SIMD support
+
+package gg.pufferfish.pufferfish.simd;
+
+import jdk.incubator.vector.FloatVector;
+import jdk.incubator.vector.IntVector;
+import jdk.incubator.vector.VectorSpecies;
+
+import org.slf4j.Logger;
+
+/**
+ * Basically, java is annoying and we have to push this out to its own class.
+ */
+@Deprecated
+public class SIMDChecker {
+
+    @Deprecated
+    public static boolean canEnable(Logger logger, boolean logVectorSizesToConsole) {
+        try {
+            if (SIMDDetection.getJavaVersion() != 17 && SIMDDetection.getJavaVersion() != 18) {
+                return false;
+            } else {
+                SIMDDetection.testRun = true;
+
+                VectorSpecies<Integer> ISPEC = IntVector.SPECIES_PREFERRED;
+                VectorSpecies<Float> FSPEC = FloatVector.SPECIES_PREFERRED;
+
+                if (logVectorSizesToConsole) {
+                    logger.info("Max SIMD vector size on this system is " + ISPEC.vectorBitSize() + " bits (int)");
+                    logger.info("Max SIMD vector size on this system is " + FSPEC.vectorBitSize() + " bits (float)");
+                }
+
+                if (ISPEC.elementSize() < 2 || FSPEC.elementSize() < 2) {
+                    SIMDDetection.unsupportingLaneSize = true;
+                    return false;
+                }
+
+                return true;
+            }
+        } catch (NoClassDefFoundError | Exception ignored) {} // Basically, we don't do anything. This lets us detect if it's not functional and disable it.
+        return false;
+    }
+
+}
+diff --git a/src/main/java/gg/pufferfish/pufferfish/simd/SIMDDetection.java b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDDetection.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..ad304cfa228060adc12902da4604ccef31f27445
+--- /dev/null
+++ b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDDetection.java
+@@ -0,0 +1,37 @@
+// Gale - Pufferfish - SIMD support
+
+package gg.pufferfish.pufferfish.simd;
+
+import org.slf4j.Logger;
+
+@Deprecated
+public class SIMDDetection {
+
+    public static boolean isEnabled = false;
+    public static boolean testRun = false;
+    public static boolean unsupportingLaneSize = false;
+
+    @Deprecated
+    public static boolean canEnable(Logger logger, boolean logVectorSizesToConsole) {
+        try {
+            return SIMDChecker.canEnable(logger, logVectorSizesToConsole);
+        } catch (NoClassDefFoundError | Exception ignored) {
+            return false;
+        }
+    }
+
+    @Deprecated
+    public static int getJavaVersion() {
+        // https://stackoverflow.com/a/2591122
+        String version = System.getProperty("java.version");
+        if(version.startsWith("1.")) {
+            version = version.substring(2, 3);
+        } else {
+            int dot = version.indexOf(".");
+            if(dot != -1) { version = version.substring(0, dot); }
+        }
+        version = version.split("-")[0]; // Azul is stupid
+        return Integer.parseInt(version);
+    }
+
+}