[racket-dev] Optional equality predicate for assoc and member

From: Neil Van Dyke (neil at neilvandyke.org)
Date: Sun Apr 24 19:24:18 EDT 2011

Matthew Flatt wrote at 04/24/2011 06:53 PM:
> At Sun, 24 Apr 2011 12:48:53 -0400, Neil Van Dyke wrote:
>> Do I read this correctly that (for whatever distributions of inputs you used) we can expect the new "assq" to be about twice as fast on 64-bit x86, and about half-again as slow on 32-bit?
> Well, here are some new numbers (32-bit):

Cool, Matthew.  The modest performance hit for "assq" on 32-bit (my 
workstation) right now is a small price to pay for doubling the speed on 
64-bit (lots of servers).  That should be a significant help to one of 
the production apps that uses Racket.

This is a nice spring holiday gift.

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