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From: "d_vampile at 163 dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/110059] When SPEC is used to test the GCC (10.3.1), the test result of subitem 548 fluctuates abnormally. Date: Wed, 31 May 2023 12:14:58 +0000 [thread overview] Message-ID: <bug-110059-4-Yj2AsqbtM7@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-110059-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110059 d_vampile <d_vampile at 163 dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Version|10.3.1 |10.3.0 Target| |aarch64 URL| |https://gcc.gnu.org/piperma | |il/gcc-patches/2019-Septemb | |er/530304.html --- Comment #1 from d_vampile <d_vampile at 163 dot com> --- When the SPEC is used to test the GCC (10.3.0) performance, the test result of subitem 548 fluctuates abnormally. Trace the cause of the exception. I analyze that the commit(r276140) is faulty. Revert this commit(r276140), and the fluctuation of spec 548 test results for gcc 10.3.0 is significantly reduced. The following is the test result. GCC 10.3.0 test result: Benchmarks copies runtime ratio 548.exchange2_r 128 553 607 548.exchange2_r 128 512 654 548.exchange2_r 128 513 654 548.exchange2_r 128 553 607 548.exchange2_r 128 553 607 548.exchange2_r 128 514 652 548.exchange2_r 128 515 652 548.exchange2_r 128 553 607 548.exchange2_r 128 553 607 548.exchange2_r 128 508 660 Test result after revert this commit: Benchmarks copies runtime ratio 548.exchange2_r 128 520 645 548.exchange2_r 128 680 494 548.exchange2_r 128 527 637 548.exchange2_r 128 679 494 548.exchange2_r 128 524 640 548.exchange2_r 128 679 494 548.exchange2_r 128 524 640 548.exchange2_r 128 524 640 548.exchange2_r 128 520 645 548.exchange2_r 128 521 644
next prev parent reply other threads:[~2023-05-31 12:14 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-31 11:43 [Bug target/110059] New: " d_vampile at 163 dot com 2023-05-31 12:14 ` d_vampile at 163 dot com [this message] 2023-05-31 12:23 ` [Bug target/110059] " pinskia at gcc dot gnu.org 2023-05-31 13:42 ` ktkachov at gcc dot gnu.org 2023-05-31 13:54 ` jakub at gcc dot gnu.org 2023-06-02 7:30 ` rguenth at gcc dot gnu.org 2023-06-05 1:41 ` d_vampile at 163 dot com
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