GNU bug report logs -
#917
Too heavy consing in MULE file saving?
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Reported by: rms <at> gnu.org
Date: Sun, 7 Sep 2008 17:50:03 UTC
Severity: normal
Merged with 960,
961
Done: Chong Yidong <cyd <at> stupidchicken.com>
Bug is archived. No further changes may be made.
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> From: "Richard M. Stallman" <rms <at> gnu.org>
> Date: Sun, 07 Sep 2008 13:40:00 -0400
> Cc:
>
> My Rmail file is around 10 meg, and has 471 messages.
> But I don't see why that should matter for C-x C-s.
>
> Just to explore, I visited another 10meg file in Fundamental mode
> and got the same behavior. I went to the end and type 1 DEL C-x C-s.
> It gc's each time.
>
> Then I tried visiting it with find-file-literally.
> That way, I could type 1 DEL C-x C-s and it would save without gc.
>
> So I think something concerned with Mule is doing too much consing.
I'm not surprised: saving a file visited non-literally causes its
contents to be encoded, which generally means we wipe out the text and
replace it with its encoded representation. That this conses _a_lot_,
especially for large files, does not come as a surprise to me.
Perhaps I'm missing something, though.
This bug report was last modified 14 years and 333 days ago.
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