[Numpy-discussion] Proposed Roadmap Overview

Charles R Harris charlesr.harris@gmail....
Wed Feb 22 12:27:37 CST 2012


Hi Perry,

On Wed, Feb 22, 2012 at 6:44 AM, Perry Greenfield <perry@stsci.edu> wrote:

> I, like Travis, have my worries about C++. But if those actually doing
> the work (and particularly the subsequent support) feel it is the best
> language for implementation, I can live with that.
>
> I particularly like the incremental and conservative approach to
> introducing C++ that was proposed by Mark. What I would like to stress
> in doing this that all along that process, extensive testing is
> performed (preferably with some build-bot process) to ensure that
> whatever C++ features are being introduced are fully portable and
> don't present intractable distribution issues. Whatever we do, we
> don't want to go far down that road only to find out that there is no
> good solution in that regard with certain platforms.
>
> We are particularly sensitive to this issue since we distribute our
> software, and anything that makes installation of numpy problematic is
> a very serious issue for us. It has to be an easy install on all
> common platforms. That is one thing C allowed, despite all its flaws,
> which is near universal installation advantages over any other
> language available. If the appropriate subset of C++ can achieve that,
> great. But it has to be proved continuously as it is incrementally
> adopted. (I'm not much persuaded by comments like "my experience has
> shown it not to be a problem")
>
> Is there any disagreement with this?
>
> It's less clear to me what to do about more unusual platforms. It
> seems to me that some sort of testing against those that may prove
> important in the future (e.g., gpus?) will be needed, but how to do
> this is not clear to me.
>
>
Your group has been one of the best for testing numpy. What systems do you
support at this time?

Chuck
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