Re: Multithreading, again and again

[Dave Abrahams <dave@boostpro.com>]

on Thu Oct 20 2011, John Wiegley <jwiegley-AT-gmail.com> wrote:

>>>>>> Dave Abrahams <dave@boostpro.com> writes:
>
>
>>>> For what it's worth, experiments show that launching Emacs as a scripting
>>>> engine (e.g. using it in a shebang) is actually more efficient than
>>>> launching some more traditional scripting languages.
>>> 
>>> That's indeed unexpected.  Can you point to some more details?
>
>> I think I need to ask John Wiegley to fill you in.  He did the experiments.
>> John?
>
> I think our signals may be a little crossed.  What I had meant to tell Dave
> was that an Emacs-shebang script is faster at starting up and printing "Hello,
> world" than the equivalent ECL script -- which, for small little scripts,
> means that using Emacs Lisp could be more efficient than using CL standalone
> binaries.
>
> I did not compare my test with Bash, however, or with using more complex
> scripts, where I'd expect CL's native-language compilation to far outdo Emacs
> Lisp.

Dollars to doughnuts, John told me exactly what he had meant to, and I
was misremembering.  Sorry for the false... <what do you call that?>

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com