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

Romain Brette romain.brette@ens...
Mon Sep 21 06:59:39 CDT 2009


David Warde-Farley a écrit :
> On 20-Sep-09, at 2:17 PM, Romain Brette wrote:
> 
>> Would anyone have thoughts about what the best hardware would be for
>> Numpy? In
>> particular, I am wondering about Intel Core i7 vs Xeon. Also, I feel
>> that the
>> limiting factor might be memory speed and cache rather than  
>> processor speed.
>> What do you think?
> 
> 
> So, there are several different chips that bear the Xeon brand, you'd  
> have to look at individual benchmarks. But if you're concerned about  
> linear algebra performance, I'd say to go with the desktop version and  
> spend some of the money you save on a license for the Intel Math  
> Kernel Library to link NumPy against: http://software.intel.com/en-us/intel-mkl/
> 
> David

Interesting, I might try Intel MKL. I use mostly element-wise operations 
(e.g. exp(x) or x>x0, where x is a vector), do you think it would make a 
big difference?

Romain



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