[SciPy-user] Re: [SciPy-dev] Future directions for SciPy in light
of meeting at Berkeley
bob at redivi.com
Wed Mar 9 19:42:28 CST 2005
On Mar 9, 2005, at 8:30 PM, Robert Kern wrote:
> Bob Ippolito wrote:
>> On Mar 9, 2005, at 12:33 PM, Stephen Walton wrote:
>>>> 2) Installation problems -- I'm not completely clear on what the
>>>> "installation problems" really are.
>>> scipy and matplotlib are both very easy to install. Using ATLAS is
>>> the biggest pain, as Travis says, and one can do without it. Now
>>> that a simple 'scipy setup.py bdist_rpm' seems to work reliably, I
>>> for one am happy.
>> On Mac OS X, using ATLAS should be pretty trivial because the OS
>> already ships with an optimized implementation! The patch I created
>> for Numeric was very short, and I'm pretty sure it's on the trunk
>> (though last I packaged it, I had to make a trivial fix or two, which
>> I reported on sourceforge). I haven't delved into SciPy's source in
>> a really long time, so I'm not sure where changes would need to be
>> made, but I think someone else should be fine to look at Numeric's
>> setup.py and do what needs to be done to SciPy.
> Scipy already works just fine with Accelerate. No patch is necessary.
> However, the ATLAS provided in the Accelerate framework is incomplete.
> Namely, it's missing the row-major versions of BLAS and the optimized
> LAPACK routines. Scipy does make good use of these *if* they are
> available, and the availability of these routines can be quite
> important (if you are doing heavy linear algebra, of course, if you
> Just Need It To Build, then Accelerate is the way to go).
You should file a bug at http://bugreport.apple.com/ if you have not
already. There's still a chance for 10.4!
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