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[Bug target/84280] [6/7/8 Regression] Performance regression in g++-7 with Eigen for non-AVX2 CPUs
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 08 Feb 2018 12:05:08 +0000
- Subject: [Bug target/84280] [6/7/8 Regression] Performance regression in g++-7 with Eigen for non-AVX2 CPUs
- Auto-submitted: auto-generated
- References: <bug-84280-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84280
Marc Glisse <glisse at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |5.5.0
Summary|Performance regression in |[6/7/8 Regression]
|g++-7 with Eigen for |Performance regression in
|non-AVX2 CPUs |g++-7 with Eigen for
| |non-AVX2 CPUs
Known to fail| |6.4.0, 7.2.0
--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
The difference seems to be between gcc-5 and gcc-6.