[R-SIG-Mac]timing R and R and R and R

[David J. Braden]

Forgive me, please, for my ignorance, but what is ATLAS?

Also, is there a repository for solid empirics on how our various systems
fare with R?

TIA, big time.
Dave Braden

> It may also be ATLAS that causes some of the 40% speed increase.
> 
> On Tuesday, November 13, 2001, at 11:34 AM, Thomas Lumley wrote:
> 
>> On Tue, 13 Nov 2001, David A Richmond wrote:
>> 
>>> I am moving away from os9 and doing as much as I possibly can in
>>> osX. I am going to abandon 9 completely as soon as it is feasible for
>>> me
>>> to do everything I need to do in X. What I would like to see most is a
>>> Cocoa version of R. It is my understanding that Carbon is nice for
>>> cross-OS compatibility, but ultimately Cocoa is the API of choice.
>>> Would I
>>> be correct in assuming that performance differences Jan found would
>>> also
>>> be seen between a Carbon app and a Cocoa app?
>> 
>> I don't think we know. It's a reasonable guess, but there could be user
>> interface overhead.
>> 
>> The difference is suprisingly large given that (IIRC) R runs with almost
>> the same speed under Windows and Linux on the same hardware.
>> 
>> 
>> -thomas
>> 
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