#20542: Allow choosing between ATLAS and OpenBLAS
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.2
Component: build | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jdemeyer/allow_choosing_between_atlas_and_openblas|
df750a356e54cd53c311247aa452249e93ff32b3
Dependencies: #20392 | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:6 fbissey]:
> How do you know from `configure --help` that
> 1) --with-blas=atlas (or nothing) allows you to use a system ATLAS via
an environment variable.
> 2) that the same option will give use the accelerate framework on OS X
by default (there is a way to force ATLAS build but that's a real expert
case).
Well, the ATLAS options are documented in
http://doc.sagemath.org/html/en/installation/source.html#environment-
variables
I agree that it's not very clear, but I was hoping that this ticket could
be reviewed anyway with further work for a follow-up ticket.
Ideally we should move some of the configuration logic of the ATLAS spkg
either to a generic BLAS meta-package or the top-level `configure` script.
I haven't completely thought out the details of this, but I don't see much
point in documenting something which I plan to change soon anyway.
--
Ticket URL: <http://trac.sagemath.org/ticket/20542#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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