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[Bug dynamic-link/20508] _dl_runtime_resolve_avx/_dl_runtime_profile_avx512 cause transition penalty
- From: "fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 23 Aug 2016 17:29:10 +0000
- Subject: [Bug dynamic-link/20508] _dl_runtime_resolve_avx/_dl_runtime_profile_avx512 cause transition penalty
- Auto-submitted: auto-generated
- References: <bug-20508-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20508
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
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CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I also expect that the present state of affairs makes all context switches
slower because the kernel has to save and restore the AVX-512F state.
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