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Re: master 43237f3: * rcirc.el (rcirc-print): Prefer sleep-for over sit-
From: |
Eli Zaretskii |
Subject: |
Re: master 43237f3: * rcirc.el (rcirc-print): Prefer sleep-for over sit-for |
Date: |
Sat, 19 Feb 2022 22:07:30 +0200 |
> ; * rcirc.el (rcirc-print): Prefer sleep-for over sit-for
>
> Compare
>
> (benchmark-run 100000 (sit-for 0))
> ;; => (2.600030102 12 1.523461324000003)
>
> with
>
> (benchmark-run 100000 (sleep-for 0))
> ;; (0.015882939 0 0.0)
>
> diff --git a/lisp/net/rcirc.el b/lisp/net/rcirc.el
> index 9d1600e..9bbba6d 100644
> --- a/lisp/net/rcirc.el
> +++ b/lisp/net/rcirc.el
> @@ -2043,7 +2043,7 @@ rcirc-print
> rcirc-log-process-buffers))
> (rcirc-log process sender response target text))
>
> - (sit-for 0) ; displayed text before hook
> + (sleep-for 0) ; displayed text before hook
Really? Why?
sleep-for with the argument of zero is a fancy way of doing nothing,
so it definitely is going to be "faster". But then why call it at
all?
The sit-for call was there to trigger redisplay. Now that's gone.
I think you should revert that, or at least do something other than
call sleep-for with a zero argument.
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Eli Zaretskii <=