[SciPy-Dev] Upcoming revision of the BLAS standard

Todd toddrjen at gmail.com
Wed Nov 15 00:02:55 EST 2017


Is getting decimal versions of the functions a possibility?

On Nov 14, 2017 22:38, "Nathaniel Smith" <njs at pobox.com> wrote:

> Hi NumPy and SciPy developers,
>
> Apparently there is some work afoot to update the BLAS standard, with
> a working document here:
>
> https://docs.google.com/document/d/1DY4ImZT1coqri2382GusXgBTTTVdB
> DvtD5I14QHp9OE/edit
>
> This seems like something where we might want to get involved in, so
> that the new standard works for us, and James Demmel (the first author
> on that proposal and a professor here at Berkeley) suggested they'd be
> interested to hear our thoughts.
>
> I'm not sure exactly what the process is here -- apparently there have
> been some workshops, and there was going to be a BoF today at
> Supercomputing, but I don't know what the schedule is or how they'll
> be making decisions. It's possible for anyone interested to click on
> that google doc above and make "suggestions", but it seems like maybe
> it would be useful for the NumPy/SciPy teams to come up with some sort
> of shared document on what we want?
>
> I'm really, really not the biggest linear algebra expert on these
> lists, so I'm hoping those with more experience will jump in, but to
> get started here are some initial ideas for things we might want to
> ask for:
>
> - Support for arbitrary strided memory layout
> - Replacing xerbla with proper error codes (already in that proposal)
> - There's some discussion about NaN handling where I think we might
> have opinions. (Am I remember right that currently we have to check
> for NaNs ourselves all the time because there are libraries that blow
> up if we don't, and we don't know which ones those are?)
> - Where the spec ends up giving implementors flexibility, some way to
> detect at compile time what options they chose.
>
> -n
>
> --
> Nathaniel J. Smith -- https://vorpus.org
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>
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