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[Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
- From: "paul.borile at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 11 Oct 2018 10:28:59 +0000
- Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
- Auto-submitted: auto-generated
- References: <bug-23709-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=23709
--- Comment #18 from paul.borile at gmail dot com ---
(In reply to Florian Weimer from comment #1)
> glibc 2.27 on Fedora 28 x86_64 selects __strstr_sse2.
>
> What's your architecture, and which CPU do you use?
fedora28 seems to have the problem :
$ docker run -i fedora:28 /bin/bash -c "cat > strstr ; chmod +x strstr ; time
./strstr aa" < ./strstr
Unable to find image 'fedora:28' locally
28: Pulling from library/fedora
565884f490d9: Pull complete
Digest: sha256:b41cd083421dd7aa46d619e958b75a026a5d5733f08f14ba6d53943d6106ea6d
Status: Downloaded newer image for fedora:28
matches = 3000000
real 0m4.510s
user 0m4.510s
sys 0m0.000s
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