XiangpengHao commented on PR #8745: URL: https://github.com/apache/arrow-rs/pull/8745#issuecomment-3475788578
I'm pretty sure this has to do with things not under our control, and I wouldn't call it a regression, but system benchmark artifact. <img width="1050" height="570" alt="image" src="https://github.com/user-attachments/assets/1be2638b-cfc4-4b6a-99af-beb410fdab3e" /> ⬆️ Both binary are the same, as evidenced by the same hash. But their performance is very very different. and it seems to has something to do with the filename length... =========== One more thing about page-faults: slow one: ``` 5,290,025 page-faults # 323.566 K/sec ``` fast one: ``` 33,683 page-faults # 2.473 K/sec ``` ===== I have disabled ASLR, so it must come from some weird things in the glibc allocator... -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
