GNU bug report logs - #36940
tests slowness and failure after recent Tramp changes

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Message #38 received at 36940 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Michael Albinus <michael.albinus <at> gmx.de>, Glenn Morris <rgm <at> gnu.org>
Cc: 36940 <at> debbugs.gnu.org
Subject: Re: bug#36940: tests slowness and failure after recent Tramp changes
Date: Fri, 9 Aug 2019 18:39:13 -0700

Michael Albinus wrote:
> With that patch, your test passes.
> 
> (Damn time arithmetic!)

No, time arithmetic is fun! :-)

Your patch has several instances of (floor (float-time X)) that would be 
slightly better if written as (time-convert X 'integer), as the former has 
(unlikely) rounding errors that the latter lacks.

I assume that the test now uses integer timestamps because file systems 
routinely drop low-order parts of timestamps. But won't the test continue to 
have problems with filesystems whose timestamp resolution is 2 seconds? I have 
heard of such things.

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