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

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Sun Apr 24 20:02:33 EDT 2011

Those different oses only or different hardware too?


On Sunday, April 24, 2011, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> At Sun, 24 Apr 2011 19:24:18 -0400, Neil Van Dyke wrote:
>> 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).
> I forgot to reply to that point before. Unfortunately, I don't think
> you're going to see the same effect on other machines. It seems to be
> something about my Mac laptop and/or the compiler. Two other 64-bit
> machines that I tried (Linux/gcc and Windows/MSVC) behaved more like my
> laptop in 32-bit mode.
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