<div dir="ltr"><div><div>Concerning OpenBLAS: as there is a lot of ongoing work at OpenBLAS develop I think it is worth to discuss <a href="https://github.com/xianyi/OpenBLAS/issues/783#issuecomment-190457525" rel="noreferrer" target="_blank">https://github.com/xianyi/<span class="">OpenBLAS</span>/issues/783#issuecomment-190457525</a> and <a href="https://github.com/numpy/numpy/issues/5479#issuecomment-184472378" rel="noreferrer" target="_blank">https://github.com/numpy/numpy/issues/5479#issuecomment-184472378</a> and potentially other bugs with in a seperate OpenBLAS issue with the OpenBLAS developers.<br></div><br>OpenBLAS is the most promising free and optimized implementation today. <br><br>ATLAS <i>may </i>be
used in future for 32bit, as OpenBLAS won't get new assembler
kernels for x86 (32bit Intel) anymore (@wernsaar, priv. comm.). For
64bit architectures the picture is different. It would be unfortunate to
refuse OpenBLAS due to this.<br><br></div>Carl</div><div class="gmail_extra"><br><div class="gmail_quote">2016-03-08 3:34 GMT+01:00 Nathaniel Smith <span dir="ltr"><<a href="mailto:njs@pobox.com" target="_blank">njs@pobox.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">I guess ATLAS?</p><div class="HOEnZb"><div class="h5">
<div class="gmail_quote">On Mar 7, 2016 5:50 PM, "Matthew Brett" <<a href="mailto:matthew.brett@gmail.com" target="_blank">matthew.brett@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Mon, Mar 7, 2016 at 5:27 PM, Nathaniel Smith <<a href="mailto:njs@pobox.com" target="_blank">njs@pobox.com</a>> wrote:<br>
> On Mon, Mar 7, 2016 at 12:33 PM, Matthew Brett <<a href="mailto:matthew.brett@gmail.com" target="_blank">matthew.brett@gmail.com</a>> wrote:<br>
>> What about the problems with openblas? Should we instead get a wheel<br>
>> out with embedded ATLAS?<br>
><br>
> Probably this is a discussion for the numpy list rather than<br>
> wheel-builders, but I'd definitely vote for doing the same thing on as<br>
> many platforms as possible. Trying to simultaneously support ATLAS on<br>
> Windows + Accelerate on OSX + OpenBLAS on Linux is just silly :-).<br>
<br>
But - specifically - do you think we should use ATLAS or OpenBLAS on<br>
manylinux...?<br>
<br>
Matthew<br>
</blockquote></div>
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