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* [Bug target/114411] New: [14 Regression] 12% exec time slowdown of 433.milc on aarch64
@ 2024-03-21  9:28 pheeck at gcc dot gnu.org
  2024-03-21  9:31 ` [Bug target/114411] " pheeck at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: pheeck at gcc dot gnu.org @ 2024-03-21  9:28 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114411

            Bug ID: 114411
           Summary: [14 Regression] 12% exec time slowdown of 433.milc on
                    aarch64
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: missed-optimization, needs-bisection
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pheeck at gcc dot gnu.org
            Blocks: 26163
  Target Milestone: ---
              Host: aarch64-gnu-linux
            Target: aarch64-gnu-linux

As seen here

https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=578.70.0

between commits

g:8b483cd5521de79c
g:81ee1298b47d3f3b

there was 12% slowdown of exec time of the 433.milc 2006 SPEC benchmark. The
compiler options are -Ofast -march=native -mtune=native PGO.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
[Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/114411] [14 Regression] 12% exec time slowdown of 433.milc on aarch64
  2024-03-21  9:28 [Bug target/114411] New: [14 Regression] 12% exec time slowdown of 433.milc on aarch64 pheeck at gcc dot gnu.org
@ 2024-03-21  9:31 ` pheeck at gcc dot gnu.org
  2024-03-21  9:41 ` rguenth at gcc dot gnu.org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: pheeck at gcc dot gnu.org @ 2024-03-21  9:31 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114411

--- Comment #1 from Filip Kastl <pheeck at gcc dot gnu.org> ---
The CPU is Ampere Altra - Neoverse N1.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/114411] [14 Regression] 12% exec time slowdown of 433.milc on aarch64
  2024-03-21  9:28 [Bug target/114411] New: [14 Regression] 12% exec time slowdown of 433.milc on aarch64 pheeck at gcc dot gnu.org
  2024-03-21  9:31 ` [Bug target/114411] " pheeck at gcc dot gnu.org
@ 2024-03-21  9:41 ` rguenth at gcc dot gnu.org
  2024-03-21  9:42 ` rguenth at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-03-21  9:41 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114411

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
r14-9412-g3e3e4156a5f93e would be likely (but there's a lot of changes in that
range)

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/114411] [14 Regression] 12% exec time slowdown of 433.milc on aarch64
  2024-03-21  9:28 [Bug target/114411] New: [14 Regression] 12% exec time slowdown of 433.milc on aarch64 pheeck at gcc dot gnu.org
  2024-03-21  9:31 ` [Bug target/114411] " pheeck at gcc dot gnu.org
  2024-03-21  9:41 ` rguenth at gcc dot gnu.org
@ 2024-03-21  9:42 ` rguenth at gcc dot gnu.org
  2024-03-22 12:35 ` law at gcc dot gnu.org
  2024-05-07  7:45 ` [Bug target/114411] [14/15 " rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-03-21  9:42 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114411

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |14.0

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/114411] [14 Regression] 12% exec time slowdown of 433.milc on aarch64
  2024-03-21  9:28 [Bug target/114411] New: [14 Regression] 12% exec time slowdown of 433.milc on aarch64 pheeck at gcc dot gnu.org
                   ` (2 preceding siblings ...)
  2024-03-21  9:42 ` rguenth at gcc dot gnu.org
@ 2024-03-22 12:35 ` law at gcc dot gnu.org
  2024-05-07  7:45 ` [Bug target/114411] [14/15 " rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: law at gcc dot gnu.org @ 2024-03-22 12:35 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114411

Jeffrey A. Law <law at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
                 CC|                            |law at gcc dot gnu.org

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/114411] [14/15 Regression] 12% exec time slowdown of 433.milc on aarch64
  2024-03-21  9:28 [Bug target/114411] New: [14 Regression] 12% exec time slowdown of 433.milc on aarch64 pheeck at gcc dot gnu.org
                   ` (3 preceding siblings ...)
  2024-03-22 12:35 ` law at gcc dot gnu.org
@ 2024-05-07  7:45 ` rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-05-07  7:45 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114411

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|14.0                        |14.2

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 14.1 is being released, retargeting bugs to GCC 14.2.

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2024-05-07  7:45 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2024-03-21  9:28 [Bug target/114411] New: [14 Regression] 12% exec time slowdown of 433.milc on aarch64 pheeck at gcc dot gnu.org
2024-03-21  9:31 ` [Bug target/114411] " pheeck at gcc dot gnu.org
2024-03-21  9:41 ` rguenth at gcc dot gnu.org
2024-03-21  9:42 ` rguenth at gcc dot gnu.org
2024-03-22 12:35 ` law at gcc dot gnu.org
2024-05-07  7:45 ` [Bug target/114411] [14/15 " rguenth at gcc dot gnu.org

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