[Bug target/116072] [15 Regression] 4.5% slowdown of 447.dealII on aarch64

2024-08-09 Thread pheeck at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116072 Filip Kastl changed: What|Removed |Added Resolution|--- |WORKSFORME Status|UNCONFIRMED

[Bug target/116072] [15 Regression] 4.5% slowdown of 447.dealII on aarch64

2024-08-07 Thread pheeck at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116072 --- Comment #4 from Filip Kastl --- Hmm. The slowdown disappeared again. The measurements went back to their original values. I'll mark this PR as WORKSFORME if there are no objections. Btw we upgraded the machine's glibc. That happened after t

[Bug target/116072] [15 Regression] 4.5% slowdown of 447.dealII on aarch64

2024-07-25 Thread pheeck at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116072 --- Comment #3 from Filip Kastl --- The machine in question has glibc 2.36 so the benchmark is running without this memchr improvement. We intend to update that machine sometime in the next 3 months. I can get back to this bug when we do that an

[Bug target/116072] [15 Regression] 4.5% slowdown of 447.dealII on aarch64

2024-07-24 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116072 --- Comment #2 from Andrew Pinski --- Also what glibc version is on the system? Since if it is std::find that is causing the regression memchr was improved in the last year or so in glibc.

[Bug target/116072] [15 Regression] 4.5% slowdown of 447.dealII on aarch64

2024-07-24 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116072 Andrew Pinski changed: What|Removed |Added CC||pinskia at gcc dot gnu.org --- Comment

[Bug target/116072] [15 Regression] 4.5% slowdown of 447.dealII on aarch64

2024-07-24 Thread pheeck at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116072 Filip Kastl changed: What|Removed |Added Target Milestone|--- |15.0