uschindler commented on code in PR #14901:
URL: https://github.com/apache/lucene/pull/14901#discussion_r2190298017
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lucene/core/src/java24/org/apache/lucene/internal/vectorization/PanamaVectorizationProvider.java:
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@@ -45,6 +45,10 @@ final class PanamaVectorizationProvider extends
VectorizationProvider {
"Vector bit size is less than 128: " +
PanamaVectorConstants.PREFERRED_VECTOR_BITSIZE);
}
+ if (PanamaVectorConstants.HAS_FAST_INTEGER_VECTORS == false) {
+ throw new UnsupportedOperationException("No integer vector support");
Review Comment:
I'd change this message a bit more verbose as this is logged to enduser in a
warning (see `VectorizationProvider` around line 169).
Maybe "CPU flags do not guarantee fast integer vectors".
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