From: Johan Råde (rade_at_[hidden])
Date: 2008-04-24 07:13:45
Does the project plan include an optimized SSE implementation
of the cumulative distribution function
for the Student t and Fisher F distributions?
That would be very useful for data-mining applications.
John Maddock wrote:
> Christian Henning wrote:
>> Hi John,
>>> I don't want to release Gautam's full proposal without his
>>> permission: I'm CC'ing him so he can respond directly, but I believe
>>> he's tied up in exams until the end of the month.
>> I can wait no problem.
>>> Was there something specific you were interested in?
>> I'm very interested in the SIMD part. What functions of the math
>> toolkit would be targeted? Also, will this project create facilities
>> that I can use SIMD hardware with my own calculations? For example, I
>> would very much like to do ray/box intersection tests by using SSE.
>> Would that be possible after the SOC?
> Maybe :-)
> It's not the main focus of the project, I believe the intent was to use the
> Intel SSE intrinsics directly rather than abstracting them, since these
> appear to be available on all Intel based platforms. Although some other
> platforms also support vectorising operations, they're predominantly for
> integer or 32-bit float operations which is less useful for our purposes
> (anyone know different?).
>> This project might be of interest to you, in case you didn't know
>> about it:
> Indeed, thanks!
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