Thanks for the heads up, sounds very interesting! I know you said you are still analyzing, so I'll wait ... so many questions in my mind already :-)
But one thing to check up front - which gcc version are you using on this test on Ubuntu and which one on the systems you compare? ** Also affects: glibc (Ubuntu) Importance: Undecided Status: New ** Also affects: gcc-5 (Ubuntu) Importance: Undecided Status: New ** Changed in: gcc-5 (Ubuntu) Status: New => Incomplete ** Changed in: glibc (Ubuntu) Status: New => Incomplete ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Changed in: glibc (Ubuntu) Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team) ** Changed in: gcc-5 (Ubuntu) Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1812182 Title: Performance degradation with SPECint2017 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1812182/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs