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Re: [Chicken-users] Speeding up bit-vector operation (using iset)


From: Peter Bex
Subject: Re: [Chicken-users] Speeding up bit-vector operation (using iset)
Date: Wed, 17 Mar 2010 17:41:44 +0100
User-agent: Mutt/1.4.2.3i

On Wed, Mar 17, 2010 at 03:37:12PM +0100, felix winkelmann wrote:
> I don't think this is completely true. GC-time is quite considerable,
> but the loops
> in iset.c are not tight enough for so many iterations (which is mostly
> caused by slow XXXvector operations that require a full CPS call).
> 
> Using bignums (the new "standalone" version, which unfortunately has a bug
> in `random') or crunch would be an interesting exercise.

That silly bug in random has been fixed now.

Cheers,
Peter
-- 
http://sjamaan.ath.cx
--
"The process of preparing programs for a digital computer
 is especially attractive, not only because it can be economically
 and scientifically rewarding, but also because it can be an aesthetic
 experience much like composing poetry or music."
                                                        -- Donald Knuth




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