uschindler commented on code in PR #14896:
URL: https://github.com/apache/lucene/pull/14896#discussion_r2205366934
##########
lucene/core/src/java/org/apache/lucene/util/Constants.java:
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@@ -152,6 +163,17 @@ private static boolean hasFastScalarFMA() {
return false;
}
+ private static boolean hasFastCompress() {
+ if (OS_ARCH.equals("aarch64") && MAC_OS_X == false && HAS_SVE) {
+ return true;
+ }
+
+ if (OS_ARCH.equals("amd64") && HAS_AVX2 && MAX_VECTOR_SIZE >= 32) {
+ return true;
+ }
Review Comment:
Do we really need to check for both (system property) and hotspot flag?
If AVX2 is enabled the it should be enough because the cpu will be x64. Same
for SVE.
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