ChrisHegarty commented on code in PR #13651:
URL: https://github.com/apache/lucene/pull/13651#discussion_r1731488489
##########
lucene/core/src/java21/org/apache/lucene/internal/vectorization/PanamaVectorUtilSupport.java:
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@@ -761,4 +763,81 @@ private static int squareDistanceBody128(MemorySegment a,
MemorySegment b, int l
// reduce
return acc1.add(acc2).reduceLanes(ADD);
}
+
+ @Override
+ public long ipByteBinByte(byte[] q, byte[] d) {
+ if (VECTOR_BITSIZE == 128) {
Review Comment:
Yeah, the implementation only works on ARM at the minute. I'm iterating on
an x64 implementation, but haven't found the sweet spot yet. I'll merge
something soon and share the jmh benchmarks.
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