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Re: Why does adding a useless copy-sequence and discarding the result ma


From: Andreas Politz
Subject: Re: Why does adding a useless copy-sequence and discarding the result make my ELisp 40 times faster?
Date: Sat, 25 Mar 2017 18:37:19 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

Clément Pit-Claudel <address@hidden> writes:

>> This suggests to me, that the deciding factor in these numbers is python
>> and not Emacs.
>
> The thing is, I reproduced these numbers with cat and a simple C
> program, so it's not python itself.

OK, then I'm probably wrong.

> [...] observation 1 (why is the program without sleep or copy-sequence
> so slow?)

I expressed a theory about this earlier.  I suggest taking a look at
send_process in process.c

-ap




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