[Numpy-discussion] Numpy and OpenMP

Robert Kern robert.kern@gmail....
Mon Mar 17 18:07:10 CDT 2008


On Mon, Mar 17, 2008 at 6:03 PM, Gnata Xavier <xavier.gnata@gmail.com> wrote:

>  Ok fine. Fine but in a few months quadcores will be "cheap". Using
>  numpy, I now I never get the best performances on a multicores machine
>  and I do not care. I just get the best
>  performance/time_needed_to_code_that ratio, by far, and that is why IMHO
>  numpy is great :). The problem is that on a multicore machine, this
>  ratio is not that high because there is no way to perform s = sum(A) in
>  a "maybe-sub-obtimal  but not nonocore" way. Sublinear scaling (let say
>  real life scaling) will always be better that  nothing.

Please, by all means go for it.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
 -- Umberto Eco


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