From: Eli Zaretskii <eliz@gnu.org>
To: Philip Kaludercic <philipk@posteo.net>
Cc: visuweshm@gmail.com, h.judt@gmx.at, emacs-devel@gnu.org
Subject: Re: [ELPA] New package: dired-duplicates
Date: Wed, 01 Nov 2023 21:24:35 +0200 [thread overview]
Message-ID: <83sf5p8efg.fsf@gnu.org> (raw)
In-Reply-To: <87lebhz78r.fsf@posteo.net> (message from Philip Kaludercic on Wed, 01 Nov 2023 17:57:40 +0000)
> From: Philip Kaludercic <philipk@posteo.net>
> Cc: Visuwesh <visuweshm@gmail.com>, h.judt@gmx.at, emacs-devel@gnu.org
> Date: Wed, 01 Nov 2023 17:57:40 +0000
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > I'd like to see the numbers which led to the conclusion that
> > performance was prohibitive.
> >
> > And even if the performance is indeed much worse, it could be a
> > fallback in case the program is not available -- which would IMO be
> > much better than simply failing to provide the functionality in that
> > case.
>
> This is a cheap test on a 1.4GB ISO I had lying around:
Thanks. But this is just a single large file, not a frequent use case
for this package.
> --8<---------------cut here---------------start------------->8---
> (benchmark-run 1
> (with-temp-buffer
> (insert-file-contents-literally "~/Downloads/haiku-r1beta4-x86_64-anyboot.iso")
> (secure-hash 'sha512 (current-buffer))))
> ;; (44.389091035 1 1.5836082630000021)
>
> (benchmark-run 1
> (with-temp-buffer
> (call-process "sha512sum" nil t nil (expand-file-name "~/Downloads/haiku-r1beta4-x86_64-anyboot.iso"))
> (goto-char (point-min))
> (and (looking-at (rx bos (+ alnum)))
> (match-string 0))))
> ;; (5.155846791 0 0.0)
> --8<---------------cut here---------------end--------------->8---
And this is not the package doing its job, this is just a single task
the package does when looking for duplicates. The numbers when
running the package with call-process replaced by secure-hash will
probably be different.
next prev parent reply other threads:[~2023-11-01 19:24 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-31 10:34 [ELPA] New package: dired-duplicates Harald Judt
2023-10-31 12:21 ` Philip Kaludercic
2023-10-31 21:05 ` Harald Judt
2023-11-01 2:14 ` Michael Heerdegen
2023-11-01 15:16 ` [External] : " Drew Adams
2023-11-01 15:45 ` Eli Zaretskii
2023-11-01 16:28 ` Drew Adams
2023-11-01 16:47 ` Eli Zaretskii
2023-11-01 16:33 ` Philip Kaludercic
2023-11-01 11:32 ` Philip Kaludercic
2023-11-01 20:04 ` Harald Judt
2023-11-01 21:29 ` Philip Kaludercic
2023-11-02 8:44 ` Harald Judt
2023-11-03 8:19 ` Philip Kaludercic
2023-11-03 20:19 ` Harald Judt
2023-11-04 15:27 ` Philip Kaludercic
2023-11-06 9:33 ` Harald Judt
2023-11-10 8:37 ` Philip Kaludercic
2023-11-10 10:02 ` Harald Judt
2023-11-23 6:12 ` Philip Kaludercic
2023-10-31 21:24 ` Harald Judt
2023-11-01 17:40 ` Stefan Kangas
2023-11-01 3:30 ` Eli Zaretskii
2023-11-01 13:53 ` Visuwesh
2023-11-01 14:12 ` Eli Zaretskii
2023-11-01 17:57 ` Philip Kaludercic
2023-11-01 19:24 ` Eli Zaretskii [this message]
2023-11-01 20:09 ` Harald Judt
2023-11-02 5:55 ` Eli Zaretskii
2023-11-08 20:29 ` Harald Judt
2023-11-09 5:52 ` Eli Zaretskii
2023-11-09 8:00 ` Harald Judt
2023-11-09 8:38 ` tomas
2023-11-09 8:48 ` Eli Zaretskii
2023-11-09 8:43 ` Eli Zaretskii
2023-11-09 8:53 ` tomas
2023-11-09 9:18 ` Harald Judt
2023-11-09 14:52 ` Harald Judt
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