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[Bug tree-optimization/82615] New: [8 Regression] SPEC CPU2006 453.povray ~10% performance deviation with trunk@248863
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 19 Oct 2017 10:53:08 +0000
- Subject: [Bug tree-optimization/82615] New: [8 Regression] SPEC CPU2006 453.povray ~10% performance deviation with trunk@248863
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82615
Bug ID: 82615
Summary: [8 Regression] SPEC CPU2006 453.povray ~10%
performance deviation with trunk@248863
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Starting with the revision, we lost ~10% with -Ofast and -mtune=generic on both
AMD Zen and Intel Haswell i7.