I don't know how Numeric aligns its data structures, but if it's at the 
top of something allocated with malloc it will be 128bit aligned (this 
is documented behavior for OS X).  I tried compiling ATLAS a few times 
(with xlf90 and g77 from the high performance computing page) to no 
avail, and the only precompiled ATLAS I could find was messed up (I 
ended up having to link to vecLib anyways to get all of the symbols 
SciPy wanted).  If you can provide me with a statically linked version 
of ATLAS, LAPACK, BLAS, etc. then I will compile SciPy and Numeric with 
it.. but until then, I pretty much give up.  ATLAS doesn't like 
something about how I'm setup.

-bob

On Thursday, Sep 4, 2003, at 17:16 America/New_York, Chris Lee wrote:

>  Wow that was quick work.  Thanks Bob, though I do have a question :)
> 
>  VecLib automatically uses scalar code if it is sent a double or if the 
>  vectors are misaligned.  Is there a way to make sure python only uses 
>  single precision 16 bit aligned floats?
>  Otherwise you are better off linking to ATLAS which has better 
>  optimisation for double precision scalar code.
> 
>  Sorry if I am throwing extra work at you but it is a consideration.
> 
>  Cheers
>  Chris
>  On Wednesday, September 3, 2003, at 06:35  PM, Bob Ippolito wrote:
> 
> > I've done another update to my Package Manager repository, which is 
> > at:
> > 	http://undefined.org/python/pimp/darwin-6.6-Power_Macintosh.plist
> >
> > The current package list, new or updated packages are marked with an 
> > asterisk:
> > 	sdl_pygame_deps-1.2.5-binary (dependencies for pygame, SDL, smpeg, 
> > etc.)
> > 	aeve-0.0.2-binary (my pythonic AppleEvent package, you should wait 
> > for 0.0.3 though)
> > 	mxBase-2.0.4-binary
> > 	PIL-1.1.4-binary (should have freetype2, libjpeg, libtiff statically)
> > 	pyOpenSSL-0.5.1-binary
> > 	ctypes-0.6.2-binary
> > 	pycrypto-1.9a6-binary
> > 	*Twisted-1.0.7rc1-binary (includes my experiemental CoreFoundation 
> > reactor and support library)
> > 	*Numeric-23.1-binary (compiled against Apple's vecLib, probably will 
> > only work on G4/G5)
> > 	PyOpenGL-2.1.05-binary (includes andrew's patch)
> > 	pygame-1.5.6-binary (has some patches by me)
> > 	Pyro-3.3beta-binary
> > 	numarray-0.6.1-binary
> > 	ZODB3-3.2b2-binary
> > 	PythonCardPrototype-0.7.1-binary
> > 	pycurl-7.10.5-binary  (linked static to newest libcurl, OS X 10.2.6 
> > libcurl is too old)
> > 	PyChecker-0.8.12-binary
> > 	pygsear-0.47.1-binary
> > 	*MySQL-python-0.9.2-binary (linked statically to MySQL client 
> > libraries)
> > 	*pyPgSQL-2.4-binary (linked statically to PgSQL client libraries)
> > 	*Pyrex-0.8.2-binary (small fix to Nodes.py that allows import from 
> > system header files)
> > 	*LaunchServices-0.1-binary (my pythonic wrapper for Apple's Launch 
> > Services)
> > 	*PyXML-0.8.3-binary
> > 	*metakit-2.4.9.2-binary (linked statically to metakit)
> > 	*Lupy-0.1.5.4
> > 	*Pyndex-0.3.2a-binary
> > 	*Reverend-0.2.3-binary
> > 	*Quotient-0.5-binary
> >
> > I still haven't gotten around to making any "Extras" packages for 
> > anything.
> >
> > I've managed to hobble together a copy of SciPy but it doesn't pass 
> > all the tests.  I think this is something to do with the ATLAS I used 
> > (I used one that someone else compiled, and it didn't have all the 
> > symbols so I also linked in Apple's vecLib... so it's an ugly > 
> > monster).
> >
> > I plan on making a copy of bsddb3 that (maybe?) includes a static 
> > copy of bsddb, since Jack didn't include it with MacPython.  
> > Otherwise I'll probably make a "deps" package that installs the >> beast.
> >
> > I took a look at piddle's QD renderer.. A couple quick hacks can get 
> > rid of all the warnings, but the fact that you have to run a 
> > Wapplication mainloop and the QDRotate module's source has been lost 
> > makes me think that someone should just write a new/better one on top 
> > of CoreGraphics and/or Cocoa.
> >
> > This is my current relatively-interested-in-hacking-or-packaging list 
> > in no particular order:
> > 	aeve (finish 0.0.3)
> > 	bsddb3
> > 	SciPy
> > 	piddle (well, a good backend for OS X)
> > 	python-ldap
> > 	pyogg
> > 	pyvorbis
> > 	chaco (does this have a good OS X backend yet?)
> > 	VTK
> > 	Soya 3D
> >
> > If anyone has any requests for modules that aren't yet covered by 
> > myself or Jack, let me know and I'll look into it.  When we get a 
> > wiki this will be much easer to keep track of.


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