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Showing content from https://lists.gnu.org/archive/html/bug-gnu-emacs/2023-07/msg01386.html below:

bug#64735: 29.0.92; find invocations are ~15x slower because of ignores

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] From: Michael Albinus Subject: bug#64735: 29.0.92; find invocations are ~15x slower because of ignores Date: Fri, 21 Jul 2023 17:31:52 +0200 User-agent: Gnus/5.13 (Gnus v5.13) 
Ihor Radchenko <yantar92@posteo.net> writes:

Hi Ihor,

> Interesting. Apparently my SSD is skewing the benchmark data on IO:
>
> (length (directory-files-recursively "~/Git" ""))
> ;; => 113628
>
> (benchmark-run-compiled 1 (directory-files-recursively "~/Git" ""))
> ;; => (1.756453226 2 0.7181273930000032)
> (benchmark-run-compiled 1 (let (file-name-handler-alist) 
> (directory-files-recursively "~/Git" "")))
> ;; => (1.202790778 2 0.7401775709999896)
>
> Would be interesting to see profiler and perf data for more detailed
> breakdown where those 30+ seconds where spent in.

I have no SSD. And maybe some of the files are NFS-mounted.

--8<---------------cut here---------------start------------->8---
[albinus@gandalf emacs]$ sudo lshw -class disk
  *-disk
       description: ATA Disk
       product: SK hynix SC311 S
       size: 476GiB (512GB)
--8<---------------cut here---------------end--------------->8---

My point was to show the differences in the approaches. Do you have also
numbers using without-remote-files and inhibit-remote-files?

Best regards, Michael.

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