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From: "andrew.carlotti at arm dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/84402] [meta] GCC build system: parallelism bottleneck Date: Mon, 27 Mar 2023 14:55:07 +0000 [thread overview] Message-ID: <bug-84402-4-VCl8PbcjpO@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-84402-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84402 Andrew Carlotti <andrew.carlotti at arm dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |andrew.carlotti at arm dot com --- Comment #58 from Andrew Carlotti <andrew.carlotti at arm dot com> --- Since November 2021, there's been a significant regression in the compile time for gimple-match.cc during a bootstrap build (+100% in Stage 2, +73% in Stage 3), with this regression accounting for over 20% of the current total bootstrap time on some aarch64 machines. Most of the change in compile time is due to the following 6 commits (of which one is a performance improvement, and one only regressed the Stage 2 build): 7df89377a7ae3906255e38a79be8e5d962c3a0df 24th November 2021 Enhance optimize_atomic_bit_test_and to handle truncation. (Hongtao Liu) Stage 2: +27% Stage 3: +33% 9a53101caadae1b5c8d791d247b05268ee4f7f92 16th May 2022 Add MIN/MAX folding from fold_cond_expr_with_comparison to match.pd (Richard Biener) Stage 2: +15% Stage 3: +15% 409978d58dafa689c5b3f85013e2786526160f2c 9th August 2022 tree-optimization/106514 - add --param max-jump-thread-paths (Richard Biener) Stage 2: -7% Stage 3: -10% 011d0a033ab370ea38b06b813ac62be8dde0801b 18th August 2022 Make path_range_query standalone and add reset_path. (Aldy Hernandez) Stage 2: +5% Stage 3: +0% 4d9db4bdd458a4b526f59e4bc5bbd549d3861cea 12th December 2022 middle-end: simplify complex if expressions where comparisons are inverse of one another. (Tamar Christina) Stage 2: +10% Stage 3: +9% 733a1b777f16cd397b43a242d9c31761f66d3da8 13th January 2023 sched-deps: do not schedule pseudos across calls [PR108117] (Alexander Monakov) Stage 2: +14% Stage 3: +9%
next prev parent reply other threads:[~2023-03-27 14:55 UTC|newest] Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-84402-4@http.gcc.gnu.org/bugzilla/> 2020-05-07 11:56 ` jakub at gcc dot gnu.org 2020-05-07 22:59 ` egallager at gcc dot gnu.org 2020-07-09 9:44 ` rjiejie at me dot com 2020-07-09 10:04 ` marxin at gcc dot gnu.org 2020-07-09 11:40 ` rguenth at gcc dot gnu.org 2020-07-13 5:51 ` rjiejie at me dot com 2020-07-23 6:51 ` rguenth at gcc dot gnu.org 2021-04-08 12:02 ` rguenth at gcc dot gnu.org 2021-07-19 6:17 ` pinskia at gcc dot gnu.org 2021-07-19 6:19 ` pinskia at gcc dot gnu.org 2021-10-09 12:58 ` egallager at gcc dot gnu.org 2021-10-11 8:01 ` marxin at gcc dot gnu.org 2021-10-11 18:10 ` egallager at gcc dot gnu.org 2021-11-01 4:56 ` egallager at gcc dot gnu.org 2022-05-29 3:44 ` sam at gentoo dot org 2022-06-02 22:05 ` segher at gcc dot gnu.org 2022-11-30 8:13 ` marxin at gcc dot gnu.org 2022-11-30 8:23 ` marxin at gcc dot gnu.org 2022-11-30 8:25 ` rguenth at gcc dot gnu.org 2022-11-30 8:27 ` rguenth at gcc dot gnu.org 2022-11-30 8:38 ` rguenth at gcc dot gnu.org 2022-11-30 9:10 ` marxin at gcc dot gnu.org 2022-12-01 9:43 ` marxin at gcc dot gnu.org 2022-12-01 10:01 ` marxin at gcc dot gnu.org 2022-12-01 10:03 ` marxin at gcc dot gnu.org 2022-12-01 10:07 ` marxin at gcc dot gnu.org 2023-03-27 14:55 ` andrew.carlotti at arm dot com [this message] 2023-03-28 3:01 ` marxin at gcc dot gnu.org 2023-03-28 8:30 ` rguenth at gcc dot gnu.org 2023-03-28 8:45 ` amonakov at gcc dot gnu.org 2023-03-28 8:54 ` jakub at gcc dot gnu.org 2023-03-28 9:05 ` rguenther at suse dot de 2023-03-28 11:31 ` cvs-commit at gcc dot gnu.org 2023-05-05 12:47 ` cvs-commit at gcc dot gnu.org 2023-05-05 12:47 ` cvs-commit at gcc dot gnu.org 2023-05-05 12:47 ` cvs-commit at gcc dot gnu.org 2023-05-05 12:48 ` cvs-commit at gcc dot gnu.org 2023-05-05 12:48 ` cvs-commit at gcc dot gnu.org 2023-05-05 12:48 ` cvs-commit at gcc dot gnu.org 2023-07-07 11:29 ` sjames at gcc dot gnu.org 2023-10-31 12:35 ` cvs-commit at gcc dot gnu.org 2023-10-31 12:48 ` sjames at gcc dot gnu.org 2024-03-04 4:29 ` law at gcc dot gnu.org
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