From: Zhang Haijun <ccsmile2008@outlook.com>
To: 65908@debbugs.gnu.org
Subject: bug#65908: 29.1.50; Emacs 29 regresses on macOS
Date: Wed, 13 Sep 2023 06:47:12 +0000 [thread overview]
Message-ID: <OS3P286MB2199E6DBBE4C732B8DBAD3FCA8F0A@OS3P286MB2199.JPNP286.PROD.OUTLOOK.COM> (raw)
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1. emacs -Q
2. paste the following code to scratch buffer and execute it for saveral times
(benchmark-progn
(setq enable-dir-local-variables nil
enable-local-variables nil)
(let* ((test-dir "~/source/emacs-git/lisp")
(file-list (directory-files test-dir t
"\\`[fsw].*[.]el\\'" t))
(start-tm (current-time))
end-tm buf buf-list)
(dolist (test-file file-list)
(setq buf (find-file-noselect test-file))
(with-current-buffer buf
(goto-char (point-min))
(while (not (eobp))
(end-of-defun)))
(setq buf-list (cons buf buf-list)))
(setq end-tm (current-time))
(dolist (buf buf-list)
(kill-buffer buf))
(let ((delta (time-subtract end-tm start-tm)))
(message "--- files: %d, delta: %s"
(length file-list) (float-time delta)))))
======== Result for Emacs 27: ======
--- files: 61, delta: 3.021547
Elapsed time: 3.030485s (0.173305s in 14 GCs)
"--- files: 61, delta: 3.021547"
--- files: 61, delta: 3.1373
Elapsed time: 3.145406s (0.181551s in 14 GCs)
"--- files: 61, delta: 3.1373"
--- files: 61, delta: 3.093033
Elapsed time: 3.100581s (0.162783s in 13 GCs)
"--- files: 61, delta: 3.093033"
======== Result for Emacs 29: =======
--- files: 61, delta: 5.271817
Elapsed time: 5.278284s (0.174266s in 13 GCs)
"--- files: 61, delta: 5.271817"
--- files: 61, delta: 4.919798
Elapsed time: 4.923492s (0.162042s in 13 GCs)
"--- files: 61, delta: 4.919798"
--- files: 61, delta: 5.127965
Elapsed time: 5.131604s (0.154718s in 12 GCs)
"--- files: 61, delta: 5.127965"
--- files: 61, delta: 4.978964
Elapsed time: 4.982757s (0.149401s in 12 GCs)
"--- files: 61, delta: 4.978964"
Time used in Emacs 29 is 1.6x than in Emacs 27. They are all built with "-O2".
I also tested on Linux. There is no such big regress.
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next reply other threads:[~2023-09-13 6:47 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 6:47 Zhang Haijun [this message]
2023-10-04 5:44 ` bug#65908: 29.1.50; Emacs 29 regresses on macOS Gerd Möllmann
2023-10-04 7:38 ` Eli Zaretskii
2023-10-04 7:50 ` Gerd Möllmann
2023-10-04 8:29 ` Stefan Kangas
2023-10-04 8:32 ` Gerd Möllmann
2023-10-04 9:02 ` Gregory Heytings
2023-10-04 9:12 ` Gerd Möllmann
2023-10-04 9:12 ` Stefan Kangas
2023-10-04 10:55 ` Gerd Möllmann
2023-10-04 12:43 ` Gerd Möllmann
2023-10-04 21:16 ` Alan Third
2023-10-05 5:41 ` Eli Zaretskii
2023-10-05 5:55 ` Gerd Möllmann
2023-10-05 6:08 ` Eli Zaretskii
2023-10-05 8:52 ` Gerd Möllmann
2023-10-05 9:48 ` Alan Third
2023-10-05 11:12 ` Gerd Möllmann
2023-10-05 13:18 ` Gerd Möllmann
2023-10-05 16:11 ` Eli Zaretskii
2023-10-05 16:33 ` Alan Third
2023-10-05 16:38 ` Gerd Möllmann
2023-10-05 17:02 ` Eli Zaretskii
2023-10-05 17:15 ` Alan Third
2023-10-05 13:51 ` Alan Third
2023-10-05 14:01 ` Gerd Möllmann
2023-10-05 14:09 ` Gerd Möllmann
2023-10-05 14:58 ` Alan Third
2023-10-05 15:11 ` Gerd Möllmann
2023-10-05 16:29 ` Eli Zaretskii
2023-10-05 16:39 ` Gerd Möllmann
2023-10-05 17:06 ` Eli Zaretskii
2023-10-05 18:08 ` Stefan Kangas
2023-10-05 13:56 ` Gerd Möllmann
2023-10-05 16:19 ` Eli Zaretskii
2023-10-05 16:26 ` Alan Third
2023-10-05 16:43 ` Gerd Möllmann
2023-10-05 16:36 ` Gerd Möllmann
2023-10-05 17:04 ` Eli Zaretskii
2023-10-05 17:15 ` Gerd Möllmann
2023-10-05 18:25 ` Alan Third
2023-10-05 18:33 ` Gerd Möllmann
2023-10-05 18:46 ` Gerd Möllmann
2023-10-05 8:58 ` Gregory Heytings
2023-10-05 9:03 ` Gregory Heytings
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