Re: [Scheme-reports] Appeal for review help with R7RS draft 4 Denis Washington (15 Oct 2011 07:14 UTC)
Re: [Scheme-reports] Appeal for review help with R7RS draft 4 Jeronimo Pellegrini (15 Oct 2011 12:06 UTC)
Re: Appeal for review help with R7RS draft 4 Arthur A. Gleckler (16 Oct 2011 04:46 UTC)
Re: Appeal for review help with R7RS draft 4 Arthur A. Gleckler (16 Oct 2011 21:08 UTC)
[Scheme-reports] Legacy caar to cddddr Jussi Piitulainen (16 Oct 2011 14:45 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (17 Oct 2011 06:41 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Alex Shinn (17 Oct 2011 23:39 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Jussi Piitulainen (20 Oct 2011 12:12 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Ray Dillinger (25 Oct 2011 00:43 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (25 Oct 2011 02:17 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Alex Shinn (20 Oct 2011 08:21 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Ray Dillinger (20 Oct 2011 17:06 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (20 Oct 2011 17:46 UTC)
Re: Legacy caar to cddddr Arthur A. Gleckler (20 Oct 2011 17:50 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Aubrey Jaffer (20 Oct 2011 20:18 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (20 Oct 2011 22:44 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Alex Shinn (21 Oct 2011 02:48 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Aubrey Jaffer (22 Oct 2011 00:04 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Alex Shinn (23 Oct 2011 05:27 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (20 Oct 2011 17:52 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Grant Rettke (21 Oct 2011 02:34 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Alex Shinn (21 Oct 2011 02:51 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (21 Oct 2011 02:56 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Grant Rettke (21 Oct 2011 20:16 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Aubrey Jaffer (22 Oct 2011 00:14 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Andre van Tonder (22 Oct 2011 14:47 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (22 Oct 2011 17:56 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Andre van Tonder (22 Oct 2011 19:15 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (22 Oct 2011 20:31 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Andre van Tonder (23 Oct 2011 08:11 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (23 Oct 2011 19:41 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Denis Washington (22 Oct 2011 19:16 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Aubrey Jaffer (24 Oct 2011 00:57 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Alex Shinn (23 Oct 2011 05:39 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Andre van Tonder (23 Oct 2011 08:04 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Jussi Piitulainen (23 Oct 2011 11:44 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Alex Shinn (23 Oct 2011 15:16 UTC)
Re: [Scheme-reports] Legacy caar to cddddr Andre van Tonder (23 Oct 2011 16:27 UTC)
Re: [Scheme-reports] Legacy caar to cddddr John Cowan (23 Oct 2011 18:14 UTC)

Re: [Scheme-reports] Legacy caar to cddddr John Cowan 20 Oct 2011 22:24 UTC

Aubrey Jaffer scripsit:

> In JACAL, polynomials are lists (of variable and coefficients) so that
> polynomial operations use the fastest operations that SCM (and other
> Scheme implementations) offers.  Changing polynomials to boxed record
> types would have a disastrous impact on memory usage, cache locality,
> and execution speed of JACAL.

Chibi's implementation of records is as fast as its implementation of pairs:
a type check followed by retrieval from a fixed offset within the record.
However, records are not really suitable for implementing polynomials,
because they are of variable degree.

--
Even the best of friends cannot                 John Cowan
attend each others' funeral.                    cowan@ccil.org
        --Kehlog Albran, The Profit             http://www.ccil.org/~cowan

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