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[Bug libc/12100] QoI regression: strstr() slowed from O(n) to O(n^2) on SSE4 machines
- From: "liubov.dmitrieva at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Fri, 29 Jun 2012 15:34:07 +0000
- Subject: [Bug libc/12100] QoI regression: strstr() slowed from O(n) to O(n^2) on SSE4 machines
- Auto-submitted: auto-generated
- References: <bug-12100-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=12100
--- Comment #11 from Liubov Dmitrieva <liubov.dmitrieva at gmail dot com> 2012-06-29 15:34:07 UTC ---
Ok,
This patch removes quadratic SSE42 strstr for x86_64 and for x86_32
http://sourceware.org/ml/libc-alpha/2012-06/msg00788.html
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