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Code Issues Releases Activity

update simd impl

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NONPLAYT
2025-07-20 18:01:15 +03:00
parent e0e76be411
commit 156b3bd7cf
5 changed files with 33 additions and 25 deletions
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25
divinemc-api/src/main/java/gg/pufferfish/pufferfish/simd/SIMDChecker.java
View File

@@ -1,22 +1,24 @@
package gg.pufferfish.pufferfish.simd;
import org.slf4j.Logger;
import jdk.incubator.vector.FloatVector;
import jdk.incubator.vector.IntVector;
import jdk.incubator.vector.VectorSpecies;
import org.slf4j.Logger;
@Deprecated
public class SIMDChecker {
public static boolean canEnable(Logger logger) {
private final VectorSpecies<Integer> ISPEC;
private final VectorSpecies<Float> FSPEC;
public SIMDChecker(VectorSpecies<Integer> ISPEC, VectorSpecies<Float> FSPEC) {
this.ISPEC = ISPEC;
this.FSPEC = FSPEC;
}
public boolean canEnable(Logger logger) {
try {
if (SIMDDetection.getJavaVersion() < 17) {
if ((SIMDDetection.getJavaVersion() < SIMDDetection.MIN_JAVA_VERSION || SIMDDetection.getJavaVersion() > SIMDDetection.MAX_JAVA_VERSION)) {
return false;
} else {
SIMDDetection.testRun = true;
VectorSpecies<Integer> ISPEC = IntVector.SPECIES_PREFERRED;
VectorSpecies<Float> FSPEC = FloatVector.SPECIES_PREFERRED;
logger.info("Max SIMD vector size on this system is {} bits (int)", ISPEC.vectorBitSize());
logger.info("Max SIMD vector size on this system is {} bits (float)", FSPEC.vectorBitSize());
@@ -27,7 +29,10 @@ public class SIMDChecker {
return true;
}
} catch (NoClassDefFoundError | Exception ignored) {} // Basically, we don't do anything. This lets us detect if it's not functional and disable it.
} catch (NoClassDefFoundError | Exception ignored) {
// Basically, we don't do anything. This lets us detect if it's not functional and disable it.
}
return false;
}
}

13
divinemc-api/src/main/java/gg/pufferfish/pufferfish/simd/SIMDDetection.java
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@@ -1,27 +1,30 @@
package gg.pufferfish.pufferfish.simd;
import jdk.incubator.vector.FloatVector;
import jdk.incubator.vector.IntVector;
import org.slf4j.Logger;
@Deprecated
public class SIMDDetection {
public static boolean isEnabled = false;
public static boolean versionLimited = false;
public static boolean testRun = false;
@Deprecated
public static final int MAX_JAVA_VERSION = 25;
public static final int MIN_JAVA_VERSION = 21;
public static boolean canEnable(Logger logger) {
try {
return SIMDChecker.canEnable(logger);
SIMDChecker checker = new SIMDChecker(IntVector.SPECIES_PREFERRED, FloatVector.SPECIES_PREFERRED);
return checker.canEnable(logger);
} 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.")) {
if (version.startsWith("1.")) {
version = version.substring(2, 3);
} else {
int dot = version.indexOf(".");

6
divinemc-server/minecraft-patches/features/0002-Configuration.patch
View File

@@ -5,7 +5,7 @@ Subject: [PATCH] Configuration
diff --git a/net/minecraft/server/dedicated/DedicatedServer.java b/net/minecraft/server/dedicated/DedicatedServer.java
index 512eeef7a770fa8264acbe4194a0debb23f8c3c1..80d04f4eb5122d571409a50f5921c3403dacf31f 100644
index 536a3da1d87e1d4087977196c5766f6550a95e47..bbe93d1861541991215d32186eec82fa8602fea2 100644
--- a/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/net/minecraft/server/dedicated/DedicatedServer.java
@@ -162,6 +162,8 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
@@ -24,9 +24,9 @@ index 512eeef7a770fa8264acbe4194a0debb23f8c3c1..80d04f4eb5122d571409a50f5921c340
+ org.bxteam.divinemc.command.DivineCommands.registerCommands(this); // DivineMC - Configuration
com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // Paper - load version history now
// DivineMC start - Pufferfish SIMD
// DivineMC start - Pufferfish: SIMD Support
diff --git a/net/minecraft/world/level/Level.java b/net/minecraft/world/level/Level.java
index dccfd0f30111316c9c82004358c2a7051cbd5cdb..1ad419b4a2ad4610a0a8d18b26665a7ec0ccc960 100644
index 848f936a26429d844ad439ca336dbcb8d81f09e8..2c60b1c8ecb54c4c9526a2b2f6e6698b77359065 100644
--- a/net/minecraft/world/level/Level.java
+++ b/net/minecraft/world/level/Level.java
@@ -161,6 +161,7 @@ public abstract class Level implements LevelAccessor, UUIDLookup<Entity>, AutoCl

4
divinemc-server/minecraft-patches/features/0050-SparklyPaper-Parallel-world-ticking.patch
View File

@@ -333,12 +333,12 @@ index 3836d60ce84fb26f30a609486a5755d3fd1c94f1..1aab02441e4dfa7703963855d77bb918
}
} else if (this.visible.remove(advancementHolder)) {
diff --git a/net/minecraft/server/dedicated/DedicatedServer.java b/net/minecraft/server/dedicated/DedicatedServer.java
index dcd004749846aa9e650be438b0f097e414c2ec76..5a2b9632a1e46b512a1379923765c1b8a28250b9 100644
index 46adbe6ccf1e4291e33a52a6612f624558c18f96..374abd7e1502edefb78cd6451a36c3b8ad6d8f8f 100644
--- a/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/net/minecraft/server/dedicated/DedicatedServer.java
@@ -218,6 +218,13 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
}
// DivineMC end - Pufferfish SIMD
// DivineMC end - Pufferfish: SIMD Support
+ // DivineMC start - Parallel world ticking
+ if (org.bxteam.divinemc.config.DivineConfig.AsyncCategory.enableParallelWorldTicking) {

10
divinemc-server/minecraft-patches/sources/net/minecraft/server/dedicated/DedicatedServer.java.patch
View File

@@ -4,25 +4,25 @@
// Purpur end - Purpur config files
com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // Paper - load version history now
+ // DivineMC start - Pufferfish SIMD
+ // DivineMC start - Pufferfish: SIMD Support
+ try {
+ gg.pufferfish.pufferfish.simd.SIMDDetection.isEnabled = gg.pufferfish.pufferfish.simd.SIMDDetection.canEnable(LOGGER);
+ gg.pufferfish.pufferfish.simd.SIMDDetection.versionLimited = gg.pufferfish.pufferfish.simd.SIMDDetection.getJavaVersion() < 17 || gg.pufferfish.pufferfish.simd.SIMDDetection.getJavaVersion() > 21;
+ } catch (NoClassDefFoundError | Exception ignored) {
+ gg.pufferfish.pufferfish.simd.SIMDDetection.versionLimited = gg.pufferfish.pufferfish.simd.SIMDDetection.getJavaVersion() < gg.pufferfish.pufferfish.simd.SIMDDetection.MIN_JAVA_VERSION || gg.pufferfish.pufferfish.simd.SIMDDetection.getJavaVersion() > gg.pufferfish.pufferfish.simd.SIMDDetection.MAX_JAVA_VERSION;
+ } catch (final NoClassDefFoundError | Exception ignored) {
+ ignored.printStackTrace();
+ }
+
+ if (gg.pufferfish.pufferfish.simd.SIMDDetection.isEnabled) {
+ LOGGER.info("SIMD operations detected as functional. Will replace some operations with faster versions.");
+ } else if (gg.pufferfish.pufferfish.simd.SIMDDetection.versionLimited) {
+ LOGGER.warn("Will not enable SIMD! These optimizations are only safely supported on Java 17 and higher.");
+ LOGGER.warn("Will not enable SIMD! These optimizations are only safely supported on Java {}-{}", gg.pufferfish.pufferfish.simd.SIMDDetection.MIN_JAVA_VERSION, gg.pufferfish.pufferfish.simd.SIMDDetection.MAX_JAVA_VERSION);
+ } 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"), gg.pufferfish.pufferfish.simd.SIMDDetection.testRun);
+ }
+ // DivineMC end - Pufferfish SIMD
+ // DivineMC end - Pufferfish: SIMD Support
+
this.setPvpAllowed(properties.pvp);
this.setFlightAllowed(properties.allowFlight);