[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #15 from Richard Biener --- (In reply to Richard Biener from comment #3) > mgrid also on AMD Fam10: > https://gcc.opensuse.org/gcc-old/SPEC/CFP/sb-megrez-head-64/recent.html re-bounded, possibly with the fix for PR85455. The IA64

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Bug 84016 depends on bug 85491, which changed state. Bug 85491 Summary: [8 Regression] nbench LU Decomposition test 15% slower than GCC 7, 30% slower than peak https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85491 What|Removed

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Bug 84016 depends on bug 84149, which changed state. Bug 84149 Summary: [8 Regression] SPEC CPU2017 505.mcf/605.mcf ~10% performance regression with r256888 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84149 What|Removed

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Bug 84016 depends on bug 84149, which changed state. Bug 84149 Summary: [8 Regression] SPEC CPU2017 505.mcf/605.mcf ~10% performance regression with r256888 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84149 What|Removed

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Bug 84016 depends on bug 84149, which changed state. Bug 84149 Summary: [8 Regression] SPEC CPU2017 505.mcf/605.mcf ~10% performance regression with r256888 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84149 What|Removed

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Martin Liška changed: What|Removed |Added Status|NEW |WAITING --- Comment #14 from Martin

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #13 from Martin Liška --- > > tfft of polyhedron is aslso still regressing. Martin, perhaps you can bisect > that one as it seems most consistent? > Can't see any difference for both tfft and tfft2 benchmarks on my Haswell

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #12 from Jan Hubicka --- I can confirm that gamess is fixed. In addition tonto's regression from earlier cost tuning was fixed as well. There is nice improvement to galgel (15400->15800) which is not fixing earlier regression and

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #10 from Richard Biener --- Author: rguenth Date: Fri Feb 16 13:47:25 2018 New Revision: 257734 URL: https://gcc.gnu.org/viewcvs?rev=257734=gcc=rev Log: 2018-02-16 Richard Biener PR

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #11 from Richard Biener --- The gamess regression mentioned should be fixed.

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Jan Hubicka changed: What|Removed |Added Depends on||84149 --- Comment #9 from Jan Hubicka

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #8 from Jan Hubicka --- Reading the log, it gamess regression at 14th should not be gather/scatter because it reproduces on zen2 where we disable them. About the 19th regression, it would be nice to also bisect it (hopefully it will

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Martin Liška changed: What|Removed |Added CC||rsandifo at gcc dot gnu.org --- Comment

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #6 from Jan Hubicka --- Thanks! -flto makes differnce even for single file benchmarks (because of thrown away type info and extra info from linker). So perhaps that is reason why it did not reproduce?

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #4 from Martin Liška --- (In reply to Richard Biener from comment #3) > mgrid also on AMD Fam10: > https://gcc.opensuse.org/gcc-old/SPEC/CFP/sb-megrez-head-64/recent.html Interesting about this regression is that mgrid is a single

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 --- Comment #3 from Richard Biener --- mgrid also on AMD Fam10: https://gcc.opensuse.org/gcc-old/SPEC/CFP/sb-megrez-head-64/recent.html

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org --- Comment #2

[Bug middle-end/84016] [8 Regression] Spec2000 regression around Jan 14 and Jan 19 2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84016 Richard Biener changed: What|Removed |Added Keywords||missed-optimization