[pymvpa] pprocess and number of CPU cores?

[Matthias Ekman]

Yaroslav Halchenko wrote:
>
> yeap -- theoretically you should get close to linear scaling by number
> of processors... but here we are talking about cores, so they might
> scale slightly under linear, but altogether quite close to being linear
> boost anyways (depends on what kind of searchlight -- either it spends
> most of the time computing or accessing memory)
>
>   
"close to linear scaling" -- sounds brilliant ;-)

>> I am thinking about 2x 8 cores (lower clock speed) vs. 1x 12 cores
>> (higher clock speed) which would be the same price range. With good
>> scaling I would prefer the 2x 8 cores.
>>     
> I would go with 2x8 cores I guess... the best resolution for you would
> be to ask the vendor to run your specific benchmark on two such systems
> and tell you which one is better ;)
>   

mh... unfortunately our vendor is not offering such a service. I assume 
that this kind of server is not big/expensive enough. But I think we 
will go with the 2x8 cores. Thanks!

Matthias