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Re: [Chicken-hackers] remove symbol extra-slot feature and add general s


From: John Cowan
Subject: Re: [Chicken-hackers] remove symbol extra-slot feature and add general symbol property-lists?
Date: Thu, 27 Sep 2007 15:29:30 -0400
User-agent: Mutt/1.5.13 (2006-08-11)

Andre Kuehne scripsit:

> - performance: an extra-slot is faster than a table-lookup, which on the 
> other hand scales
>  better than a-lists.

Normally p-lists aren't that long.  In the general case, a single global
hashtable has concurrency issues (not a problem, since Chicken doesn't
do native threads), and a hashtable of hashtables isn't that much better.

-- 
And it was said that ever after, if any                 John Cowan
man looked in that Stone, unless he had a               address@hidden
great strength of will to turn it to other              http://ccil.org/~cowan
purpose, he saw only two aged hands withering
in flame.   --"The Pyre of Denethor"




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