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