GNU bug report logs - #37393
26.2.90; [PATCH] Speed up 'csv-align-fields'

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From: Simen Heggestøyl <simenheg <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: eliz <at> gnu.org, 37393 <at> debbugs.gnu.org, sdl.web <at> gmail.com
Subject: bug#37393: 26.2.90; [PATCH] Speed up 'csv-align-fields'
Date: Thu, 19 Sep 2019 17:51:33 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

> It should return a lot more information than just a bare number.
> I suspect you did not look at the right number.  I think you'd have to
> use the pixel (X . Y) information (and divide it by the frame's char
> width), rather than the (COL . ROW) one.

Your suspicion is correct, I looked at the COL field.

By using the pixel X divided by (frame-char-width), the results look
right, but I'm getting a slowdown on a 400 line file from 0.03s to 2s.

-- Simen

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