[Distutils] pip on windows experience

Noah Kantrowitz noah at coderanger.net
Fri Jan 24 01:21:26 CET 2014

On Jan 23, 2014, at 4:17 PM, Oscar Benjamin <oscar.j.benjamin at gmail.com> wrote:

> On 23 January 2014 23:58, Nick Coghlan <ncoghlan at gmail.com> wrote:
>> I really think that's our best near term workaround - still room for
>> improvement, but " pip install numpy assumes SSE2" is a much better
>> situation than "pip install numpy doesn't work on Windows".
> Is it? Do you have any idea what proportion of (the relevant) people
> would be using Windows with hardware that doesn't support SSE2? I feel
> confident that it's less than 10% but I don't know how to justify a
> tighter bound than that.
> You need to bear in mind that people currently have a variety of ways
> to install numpy on Windows that do work already without limitations
> on CPU instruction set. Most numpy users will not get any immediate
> benefit from the fact that "it works using pip" rather than "it works
> using the .exe installer" (or any of a number of other options). It's
> the unfortunate end users and the numpy folks who would have to pick
> up the pieces if/when the SSE2 assumption fails.

This all sounds very similar to the issues with Linux binary wheels and varying system ABIs. Should probably keep in mind for any solution that might apply to both.


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