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[Bug tree-optimization/66002] paq8p benchmark 50% slower than clang on sandybridge
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 04 May 2015 12:55:16 +0000
- Subject: [Bug tree-optimization/66002] paq8p benchmark 50% slower than clang on sandybridge
- Auto-submitted: auto-generated
- References: <bug-66002-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66002
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
clang without -vectorize-loops -vectorize-slp:
./paq8p -4 file1.in 54.82s user 0.08s system 100% cpu 54.891 total