cyb70289 commented on a change in pull request #11896:
URL: https://github.com/apache/arrow/pull/11896#discussion_r765650779
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File path: cpp/src/arrow/csv/parser.cc
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@@ -184,6 +188,44 @@ class SSE42Filter {
const BulkFilterType filter_;
};
+#elif defined(ARROW_HAVE_NEON)
+
+// NEON filter: 8 bytes at a time, comparing with all special chars.
+// We could filter 16 bytes at a time but that actually decreases performance,
+// because the filter matches too often on mid-sized cell values.
Review comment:
It's okay. Thank you.
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