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* [Bug tree-optimization/111498] New: 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22)
@ 2023-09-20 14:42 hubicka at gcc dot gnu.org
  2023-09-21  6:19 ` [Bug tree-optimization/111498] " rguenth at gcc dot gnu.org
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: hubicka at gcc dot gnu.org @ 2023-09-20 14:42 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111498

            Bug ID: 111498
           Summary: 951% profile quality regression between
                    g:93996cfb308ffc63 (2023-09-18 03:40) and
                    g:95d2ce05fb32e663 (2023-09-19 03:22)
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hubicka at gcc dot gnu.org
  Target Milestone: ---

This is seen here on tramp3d -fprofile-use -fprofile-report
https://lnt.opensuse.org/db_default/v4/CPP/graph?plot.0=463.976.7

Looking at patches in range it may be:

commit d45ddc2c04e471d0dcee016b6edacc00b8341b16
Author: Richard Biener <rguenther@suse.de>
Date:   Thu Sep 14 13:06:51 2023 +0200

    tree-optimization/111294 - backwards threader PHI costing

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug tree-optimization/111498] 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22)
  2023-09-20 14:42 [Bug tree-optimization/111498] New: 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22) hubicka at gcc dot gnu.org
@ 2023-09-21  6:19 ` rguenth at gcc dot gnu.org
  2023-09-22 10:12 ` hubicka at ucw dot cz
  2024-05-16  6:20 ` [Bug tree-optimization/111498] [14/15 regression] " rguenth at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-09-21  6:19 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111498

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unknown                     |14.0
                 CC|                            |rguenth at gcc dot gnu.org

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
That just might cause a tid more early threading.  That is, expose latent
profile updating issues elsewhere.  Looking at the graph we're also still very
good compared to July.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug tree-optimization/111498] 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22)
  2023-09-20 14:42 [Bug tree-optimization/111498] New: 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22) hubicka at gcc dot gnu.org
  2023-09-21  6:19 ` [Bug tree-optimization/111498] " rguenth at gcc dot gnu.org
@ 2023-09-22 10:12 ` hubicka at ucw dot cz
  2024-05-16  6:20 ` [Bug tree-optimization/111498] [14/15 regression] " rguenth at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: hubicka at ucw dot cz @ 2023-09-22 10:12 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111498

--- Comment #2 from Jan Hubicka <hubicka at ucw dot cz> ---
> That just might cause a tid more early threading.  That is, expose latent
> profile updating issues elsewhere.  Looking at the graph we're also still very
> good compared to July.

Early threading should not cause profile disturbtions since it happens
before profile is estimated.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug tree-optimization/111498] [14/15 regression] 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22)
  2023-09-20 14:42 [Bug tree-optimization/111498] New: 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22) hubicka at gcc dot gnu.org
  2023-09-21  6:19 ` [Bug tree-optimization/111498] " rguenth at gcc dot gnu.org
  2023-09-22 10:12 ` hubicka at ucw dot cz
@ 2024-05-16  6:20 ` rguenth at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-05-16  6:20 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111498

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

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

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2024-05-16  6:20 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-09-20 14:42 [Bug tree-optimization/111498] New: 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22) hubicka at gcc dot gnu.org
2023-09-21  6:19 ` [Bug tree-optimization/111498] " rguenth at gcc dot gnu.org
2023-09-22 10:12 ` hubicka at ucw dot cz
2024-05-16  6:20 ` [Bug tree-optimization/111498] [14/15 regression] " rguenth at gcc dot gnu.org

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