[Numpy-discussion] Numpy question: Best hardware for Numpy?

Romain Brette romain.brette@ens...
Tue Sep 22 02:52:49 CDT 2009


David Warde-Farley a écrit :
> On 21-Sep-09, at 10:53 AM, David Cournapeau wrote:
> 
>> Concerning the hardware, I have just bought a core i7 (the cheapest
>> model is ~ 200$ now, with 4 cores and 8 Mb of shared cache), and the
>> thing flies for floating point computation. My last computer was a
>> pentium 4 so I don't have a lot of reference, but you can compute ~
>> 300e6 exp (assuming a contiguous array), and ATLAS 3.8.3 built on it
>> is extremely fast - using the threaded version, the asymptotic peak
>> performances are quite impressive. It takes for example 14s to inverse
>> a 5000x5000 matrix of double.
> 
> I thought you had a Macbook too?
> 
> The Core i5 750 seems like a good buy right now as well. A bit  
> cheaper, 4 cores and 8Mb of shared cache though at a slightly lower  
> clock speed.
> 
> David

How about the Core i7 975 (Extreme)? 
http://www.intel.com/performance/desktop/extreme.htm

I am wondering if it is worth the extra money.

Best,
Romain



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