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* [Bug target/112922] New: 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto
@ 2023-12-08 14:56 jamborm at gcc dot gnu.org
2023-12-08 19:28 ` [Bug target/112922] [14 Regression] " pinskia at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jamborm at gcc dot gnu.org @ 2023-12-08 14:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112922
Bug ID: 112922
Summary: 465.tonto from SPECFP 2006 fails train run on
Aarch64-linux with -O2 and -flto
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jamborm at gcc dot gnu.org
Blocks: 26163
Target Milestone: ---
Host: aarch64-linux
Target: aarch64-linux
At some point between r14-6211-g056cce412862f8 and
r14-6290-g9f0f7d802482a8 465.tonto started to fail its train run when
compiled with -O2 -g -flto and PGO on Aarch64-linux.
My Aarch64 machine is a bit slow so I'd like to ask someone with a
spare modern one to bisect this to an exact revision. I do not
observe the failure on x86_64 (and so for now I have guessed its
component is "target").
The miscomparison is:
0056: SCF Energy = -407.833257
SCF Energy = -878703.963298
^
0057: Kinetic Energy = 406.333744
Kinetic Energy = 426.858584
^
0087: Chi^2 in F = 4.143448
Chi^2 in F = 19.253240
^
0088: Goodness of fit in F = 2.035546
Goodness of fit in F = 4.387851
^
0089: R factor in F = 0.046861
R factor in F = 0.096290
^
0090: Weighted R factor in F = 0.054923
Weighted R factor in F = 0.118393
^
0098: Secondary extinction factor = -0.000010
Secondary extinction factor = -0.000075
^
0100: Scale factor = 1.010260
Scale factor = 1.023437
^
0105: 0 0.140000 4.143448 -407.833257 *Damping on
0 0.140000 19.253240 -878703.963298 *Damping on
^
0108: 1 0.140000 4.844793 -406.881314
1 0.140000 105.264541 -1961055.460671
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] 5+ messages in thread* [Bug target/112922] [14 Regression] 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto 2023-12-08 14:56 [Bug target/112922] New: 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto jamborm at gcc dot gnu.org @ 2023-12-08 19:28 ` pinskia at gcc dot gnu.org 2024-02-20 11:56 ` acoplan at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2023-12-08 19:28 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112922 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |wrong-code Summary|465.tonto from SPECFP 2006 |[14 Regression] 465.tonto |fails train run on |from SPECFP 2006 fails |Aarch64-linux with -O2 and |train run on Aarch64-linux |-flto |with -O2 and -flto CC| |pinskia at gcc dot gnu.org Target Milestone|--- |14.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/112922] [14 Regression] 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto 2023-12-08 14:56 [Bug target/112922] New: 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto jamborm at gcc dot gnu.org 2023-12-08 19:28 ` [Bug target/112922] [14 Regression] " pinskia at gcc dot gnu.org @ 2024-02-20 11:56 ` acoplan at gcc dot gnu.org 2024-02-20 19:05 ` rsandifo at gcc dot gnu.org 2024-02-23 14:17 ` rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: acoplan at gcc dot gnu.org @ 2024-02-20 11:56 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112922 Alex Coplan <acoplan at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |acoplan at gcc dot gnu.org, | |rsandifo at gcc dot gnu.org --- Comment #1 from Alex Coplan <acoplan at gcc dot gnu.org> --- So I did some bisection on this, and indeed it seems to have started with r14-6290-g9f0f7d802482a8958d6cdc72f1fe0c8549db2182 i.e. commit 9f0f7d802482a8958d6cdc72f1fe0c8549db2182 Author: Richard Sandiford <richard.sandiford@arm.com> Date: Thu Dec 7 19:41:19 2023 aarch64: Add an early RA for strided registers but then it seemed to get fixed shortly afterwards by r14-6339-g8b5cd6c4519cc120badd2b35a9e30d4deb82c012 i.e. commit 8b5cd6c4519cc120badd2b35a9e30d4deb82c012 Author: Richard Sandiford <richard.sandiford@arm.com> Date: Fri Dec 8 16:27:40 2023 aarch64: Some tweaks to the early-ra pass CCing Richard S who can hopefully confirm if that change was expected to fix correctness / wrong code issues. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/112922] [14 Regression] 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto 2023-12-08 14:56 [Bug target/112922] New: 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto jamborm at gcc dot gnu.org 2023-12-08 19:28 ` [Bug target/112922] [14 Regression] " pinskia at gcc dot gnu.org 2024-02-20 11:56 ` acoplan at gcc dot gnu.org @ 2024-02-20 19:05 ` rsandifo at gcc dot gnu.org 2024-02-23 14:17 ` rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rsandifo at gcc dot gnu.org @ 2024-02-20 19:05 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112922 --- Comment #2 from Richard Sandiford <rsandifo at gcc dot gnu.org> --- I don't remember there being a deliberate bug fix in that patch, but there were some others later. I suppose the optimistic case is that this first went latent and then was fixed “properly” afterwards. But it could just be latent. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/112922] [14 Regression] 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto 2023-12-08 14:56 [Bug target/112922] New: 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto jamborm at gcc dot gnu.org ` (2 preceding siblings ...) 2024-02-20 19:05 ` rsandifo at gcc dot gnu.org @ 2024-02-23 14:17 ` rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rsandifo at gcc dot gnu.org @ 2024-02-23 14:17 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112922 Richard Sandiford <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|UNCONFIRMED |RESOLVED --- Comment #3 from Richard Sandiford <rsandifo at gcc dot gnu.org> --- Assume fixed by the patches for PR113295. Please reopen if not. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2024-02-23 14:17 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-12-08 14:56 [Bug target/112922] New: 465.tonto from SPECFP 2006 fails train run on Aarch64-linux with -O2 and -flto jamborm at gcc dot gnu.org 2023-12-08 19:28 ` [Bug target/112922] [14 Regression] " pinskia at gcc dot gnu.org 2024-02-20 11:56 ` acoplan at gcc dot gnu.org 2024-02-20 19:05 ` rsandifo at gcc dot gnu.org 2024-02-23 14:17 ` rsandifo at gcc dot gnu.org
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