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Add SIMD Support for Java 21 #1499

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Merged
granny merged 8 commits into from
Mar 31, 2024
Merged

Add SIMD Support for Java 21 #1499

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007c388
Update 0001-Pufferfish-API-Changes.patch
rockfordroeNG Mar 6, 2024
f3b7b2c
Fix minor typo
rockfordroeNG Mar 6, 2024
0b44f37
Update 0001-Pufferfish-Server-Changes.patch
rockfordroeNG Mar 6, 2024
55ea20e
Move SIMD changes to respective pufferfish fixes
rockfordroeNG Mar 7, 2024
12cb072
Merge branch 'PurpurMC:ver/1.20.4' into patch-1
rockfordroeNG Mar 12, 2024
be85443
Merge branch 'PurpurMC:ver/1.20.4' into patch-1
rockfordroeNG Mar 18, 2024
bf521e8
Merge branch 'PurpurMC:ver/1.20.4' into patch-1
rockfordroeNG Mar 28, 2024
d77734a
Merge branch 'ver/1.20.4' into patch-1
granny Mar 31, 2024
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Update 0001-Pufferfish-Server-Changes.patch 
Add support for Java 21 based on this suggestion: pufferfish-gg/Pufferfish#81 (comment)
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@rockfordroeNG
rockfordroeNG authored Mar 6, 2024
commit 0b44f3796f2668b373435409911a23537d262205
4 changes: 2 additions & 2 deletions patches/server/0001-Pufferfish-Server-Changes.patch
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Expand Up @@ -717,15 +717,15 @@ index 0000000000000000000000000000000000000000..f6a3364175476c57a7763a087ff55e16
+ // Attempt to detect vectorization
+ try {
+ SIMDDetection.isEnabled = SIMDDetection.canEnable(PufferfishLogger.LOGGER);
+ SIMDDetection.versionLimited = SIMDDetection.getJavaVersion() != 17 && SIMDDetection.getJavaVersion() != 18 && SIMDDetection.getJavaVersion() != 19;
+ SIMDDetection.versionLimited = SIMDDetection.getJavaVersion() < 17 || SIMDDetection.getJavaVersion() > 21;
+ } catch (NoClassDefFoundError | Exception ignored) {
+ ignored.printStackTrace();
+ }
+
+ if (SIMDDetection.isEnabled) {
+ PufferfishLogger.LOGGER.info("SIMD operations detected as functional. Will replace some operations with faster versions.");
+ } else if (SIMDDetection.versionLimited) {
+ PufferfishLogger.LOGGER.warning("Will not enable SIMD! These optimizations are only safely supported on Java 17, Java 18, and Java 19.");
+ PufferfishLogger.LOGGER.warning("Will not enable SIMD! These optimizations are only safely supported on Java 17 through Java 21.");
+ } else {
+ PufferfishLogger.LOGGER.warning("SIMD operations are available for your server, but are not configured!");
+ PufferfishLogger.LOGGER.warning("To enable additional optimizations, add \"--add-modules=jdk.incubator.vector\" to your startup flags, BEFORE the \"-jar\".");
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