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From: "aros at gmx dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/113235] New: SMHasher SHA3-256 benchmark is
 almost 40% slower vs. Clang on AMD Zen 4
Date: Thu, 04 Jan 2024 16:53:03 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 14.0
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X-Bugzilla-Who: aros at gmx dot com
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113235

            Bug ID: 113235
           Summary: SMHasher SHA3-256 benchmark is almost 40% slower vs.
                    Clang on AMD Zen 4
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: aros at gmx dot com
  Target Milestone: ---

According to Phoronix Test Suite SMHasher SHA3-256 is almost 40% slower when
built with GCC 13.2/GCC git snapshort vs Clang:

https://www.phoronix.com/review/gcc-clang-eoy2023/3

FormHash32 x86_64 AVX is also a lot slower.=