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* [Bug target/112915] New: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 @ 2023-12-08 7:38 fkastl at suse dot cz 2023-12-08 7:42 ` [Bug target/112915] [14 Regression] 4% " fkastl at suse dot cz ` (4 more replies) 0 siblings, 5 replies; 6+ messages in thread From: fkastl at suse dot cz @ 2023-12-08 7:38 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915 Bug ID: 112915 Summary: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 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: x86_64-linux Target: x86_64-linux Between commits g:cff1fa6625d1273f and g:8b9d0e8cf482287b there's a slowdown of 454.calculix 2006 SPEC. 11% regression seen on the graph here (Zen2 machine): https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=288.170.0 I've also replicated this on another Zen2 machine and got 4% slowdown. I haven't seen this slowdown on other architectures. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/112915] [14 Regression] 4% exec time regression of 454.calculix on AMD Zen2 2023-12-08 7:38 [Bug target/112915] New: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 fkastl at suse dot cz @ 2023-12-08 7:42 ` fkastl at suse dot cz 2023-12-08 7:48 ` fkastl at suse dot cz ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: fkastl at suse dot cz @ 2023-12-08 7:42 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915 --- Comment #1 from Filip Kastl <fkastl at suse dot cz> --- I checked again and its actually a 4% regression on both machines, my bad. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/112915] [14 Regression] 4% exec time regression of 454.calculix on AMD Zen2 2023-12-08 7:38 [Bug target/112915] New: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 fkastl at suse dot cz 2023-12-08 7:42 ` [Bug target/112915] [14 Regression] 4% " fkastl at suse dot cz @ 2023-12-08 7:48 ` fkastl at suse dot cz 2023-12-08 8:24 ` rguenth at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: fkastl at suse dot cz @ 2023-12-08 7:48 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915 --- Comment #2 from Filip Kastl <fkastl at suse dot cz> --- The options are -Ofast -march=native -mtune=native LTO and PGO ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/112915] [14 Regression] 4% exec time regression of 454.calculix on AMD Zen2 2023-12-08 7:38 [Bug target/112915] New: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 fkastl at suse dot cz 2023-12-08 7:42 ` [Bug target/112915] [14 Regression] 4% " fkastl at suse dot cz 2023-12-08 7:48 ` fkastl at suse dot cz @ 2023-12-08 8:24 ` rguenth at gcc dot gnu.org 2024-03-07 20:59 ` law at gcc dot gnu.org 2024-05-07 7:43 ` [Bug target/112915] [14/15 " rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2023-12-08 8:24 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Target Milestone|--- |14.0 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/112915] [14 Regression] 4% exec time regression of 454.calculix on AMD Zen2 2023-12-08 7:38 [Bug target/112915] New: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 fkastl at suse dot cz ` (2 preceding siblings ...) 2023-12-08 8:24 ` rguenth at gcc dot gnu.org @ 2024-03-07 20:59 ` law at gcc dot gnu.org 2024-05-07 7:43 ` [Bug target/112915] [14/15 " rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: law at gcc dot gnu.org @ 2024-03-07 20:59 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915 Jeffrey A. Law <law at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |law at gcc dot gnu.org Priority|P3 |P2 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/112915] [14/15 Regression] 4% exec time regression of 454.calculix on AMD Zen2 2023-12-08 7:38 [Bug target/112915] New: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 fkastl at suse dot cz ` (3 preceding siblings ...) 2024-03-07 20:59 ` law at gcc dot gnu.org @ 2024-05-07 7:43 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2024-05-07 7:43 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112915 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 7:43 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-12-08 7:38 [Bug target/112915] New: [14 Regression] ~4-11% exec time regression of 454.calculix on AMD Zen2 fkastl at suse dot cz 2023-12-08 7:42 ` [Bug target/112915] [14 Regression] 4% " fkastl at suse dot cz 2023-12-08 7:48 ` fkastl at suse dot cz 2023-12-08 8:24 ` rguenth at gcc dot gnu.org 2024-03-07 20:59 ` law at gcc dot gnu.org 2024-05-07 7:43 ` [Bug target/112915] [14/15 " rguenth at gcc dot gnu.org
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