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[Bug libc/12100] QoI regression: strstr() slowed from O(n) to O(n^2) on SSE4 machines
- From: "eblake at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Fri, 29 Jun 2012 00:01:42 +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 #7 from Eric Blake <eblake at redhat dot com> 2012-06-29 00:01:42 UTC ---
(In reply to comment #6)
> I will submit a patch after freeze ends. I made several performance
> improvements from what I suggested.
Can you please submit the patch now, so we can at least look at it, even if it
is not polished? I know last month the list said we might wait until after
2.17 to review it, but...
> > (In reply to comment #3)
> > > We want this fixed in 2.17.
...this statement makes me believe that people are starting to realize the
severity of the regression, and want it fixed sooner.
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