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Re: [Chicken-hackers] [PATCH] More efficient numbers integration through


From: cowan
Subject: Re: [Chicken-hackers] [PATCH] More efficient numbers integration through "scratchspace"
Date: Tue, 21 Apr 2015 16:02:36 -0400
User-agent: SquirrelMail/1.4.21

Peter Bex scripsit:

> Can you please stop theorising and suggesting "improvements" to code
> you obviously haven't studied and don't understand?

I am making no suggestions whatever.

> This is very irritating.

By all means don't read my postings if they irritate you.

> More to the point: the scratch space size isn't truly fixed: it may
> grow to arbitrary sizes, while the internal number calculation routines
> do their thing.  The gcd, karatsuba and burnikel-ziegler algorithms will
> allocate quite a lot of garbage while they run.  Besides, the size is
> only checked at the start of a CPS function.  If it calls a lot of
> inline allocating functions, it may not check the size for a long time.

Thanks for the explanation.

-- 
John Cowan          http://www.ccil.org/~cowan        address@hidden
Note that nobody these days would clamor for fundamental laws of *the theory
of kangaroos*, showing why pseudo-kangaroos are physically, logically,
metaphysically impossible.  Kangaroos are wonderful, but not *that*
wonderful.
         --Daniel Dennett on zombies





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