[Numpy-discussion] testing with amd libm/acml

Chris Barker chris.barker@noaa....
Thu Nov 8 10:50:44 CST 2012


On Thu, Nov 8, 2012 at 2:22 AM, Francesc Alted <francesc@continuum.io> wrote:

>>   -- It can remove a lot of uneccessary temporary creation.

> Well, the temporaries are still created, but the thing is that, by
> working with small blocks at a time, these temporaries fit in CPU cache,
> preventing copies into main memory.

hmm -- I thought it was "smart" enough to remove some unnecessary
temporaries altogether. Shows what I know. But apparently it does,
indeed, avoid creating the full-size temporary arrays.

pretty cool stuff, in any case.

-Chris


-- 

Christopher Barker, Ph.D.
Oceanographer

Emergency Response Division
NOAA/NOS/OR&R            (206) 526-6959   voice
7600 Sand Point Way NE   (206) 526-6329   fax
Seattle, WA  98115       (206) 526-6317   main reception

Chris.Barker@noaa.gov


More information about the NumPy-Discussion mailing list