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From: "fkastl at suse dot cz" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/113832] New: [14 Regression] 6% exec time regression of 464.h264ref on aarch64 Date: Thu, 08 Feb 2024 15:44:11 +0000 [thread overview] Message-ID: <bug-113832-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113832 Bug ID: 113832 Summary: [14 Regression] 6% exec time regression of 464.h264ref on aarch64 Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: needs-bisection Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: fkastl at suse dot cz Target Milestone: --- Host: aarch64-gnu-linux Target: aarch64-gnu-linux As seen here https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=586.220.0 between commits g:cc7aebff74d89675 g:314cbfe2980b32f5 there is a 6% slowdown of the 464.h264ref 2006 SPEC benchmark. Compiler options are: -Ofast -march=native -flto PGO The CPU is Ampere Altra - Neoverse N1.
next reply other threads:[~2024-02-08 15:44 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-02-08 15:44 fkastl at suse dot cz [this message] 2024-02-08 15:48 ` [Bug target/113832] " pinskia at gcc dot gnu.org 2024-02-08 15:52 ` pinskia at gcc dot gnu.org 2024-02-08 17:28 ` roger at nextmovesoftware dot com 2024-03-07 20:40 ` law at gcc dot gnu.org 2024-03-19 16:18 ` pheeck at gcc dot gnu.org 2024-04-30 13:22 ` [Bug target/113832] [14/15 " pheeck at gcc dot gnu.org 2024-04-30 13:43 ` roger at nextmovesoftware dot com 2024-05-07 7:45 ` rguenth at gcc dot gnu.org
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