GNU bug report logs - #51734
29.0.50; got slow

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Ken Brown <kbrown <at> cornell.edu>
Cc: yamaoka <at> jpl.org, 51734 <at> debbugs.gnu.org
Subject: bug#51734: 29.0.50; got slow
Date: Fri, 12 Nov 2021 21:26:32 +0200

> Date: Fri, 12 Nov 2021 13:22:28 -0500
> Cc: yamaoka <at> jpl.org, 51734 <at> debbugs.gnu.org
> From: Ken Brown <kbrown <at> cornell.edu>
> 
> The only thing I can think of is that Cygwin is probably the only system that 
> has timerfd and that also has to use timers to poll for input.  (The others all 
> use SIGIO, if I'm not mistaken.)  By using two different kinds of timers 
> simultaneously, we're getting timers expiring twice as often and not at regular 
> intervals.  Could this account for the slowdown?

At what frequency does the other timer tick, the one used to poll for
input?

> In any case, I think I should go ahead and install the patch to make the master 
> branch usable again on Cygwin.

Feel free.

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