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Re: simple patch for `etags.el'


From: Kim F. Storm
Subject: Re: simple patch for `etags.el'
Date: Wed, 22 Sep 2004 10:08:50 +0200
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3.50 (gnu/linux)

Paul Pogonyshev <address@hidden> writes:

> Richard Stallman wrote:
>
>> Even better, how about not updating the percentage more than once
>> per second?
>
> This turned out not to be better.  Overhead caused by time
> fetching and comparisons is not worth the gain.  When
> percentage is printed whenever it changes, `message' is
> called at most 101 times and that is cheap.  Note that 101
> is a constant, while the number of constraint evaluations
> is practically not limited.

You could do the time check only when you are about to call message,
ie. a max of 101 times.

>
> So I suggest not bothering with time.  It is faster, gives
> much simpler code and, finally, once per second is still to 
> rarely, at least to my tastes.

Probably -- but a default period of 0.2 seconds would be ok.

-- 
Kim F. Storm <address@hidden> http://www.cua.dk





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