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[Bug c/78406] New: Crafty v23.4 is 20% slower under GCC 6.2 than under Clang 3.9
- From: "t.artem at mailcity dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 17 Nov 2016 16:59:02 +0000
- Subject: [Bug c/78406] New: Crafty v23.4 is 20% slower under GCC 6.2 than under Clang 3.9
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78406
Bug ID: 78406
Summary: Crafty v23.4 is 20% slower under GCC 6.2 than under
Clang 3.9
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: t.artem at mailcity dot com
Target Milestone: ---
http://www.phoronix.com/scan.php?page=article&item=gcc-clang-kblclear&num=4
GCC 6.2.0 - 95 seconds
Clang 3.9.0 - 78 seconds
GCC options: -lstdc++ -lm
CPU: Kaby Lake 7200U (the same CPU core as Sandy Bridge)