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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) -- links below jump to the message on this page -- 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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