cyb70289 commented on a change in pull request #11896:
URL: https://github.com/apache/arrow/pull/11896#discussion_r765379957
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File path: cpp/src/arrow/csv/parser.cc
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@@ -184,6 +184,31 @@ class SSE42Filter {
const BulkFilterType filter_;
};
+#elif defined ARROW_HAVE_NEON
+
+// NEON filter: 8 bytes at a time, comparing with all special chars
+
+class NeonFilter {
Review comment:
See big regression (~30%) for long fields if using 128 bit WordType.
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