[SciPy-dev] Absoft & Scipy

Pearu Peterson pearu at scipy.org
Thu Feb 3 16:23:55 CST 2005



On Thu, 3 Feb 2005, Stephen Walton wrote:

> Pearu Peterson wrote:
>
>>   python setup.py build_src build_ext -DUNDERSCORE_G77 build
>
> build/lib.linux-i686-2.3/scipy/fftpack/_fftpack.so" failed with exit status 1
>
> Grep'ping the output file from the builds reveals that, indeed, dfftpack 
> never gets compiled when using the "build_src build_ext" form of the command.

Ok, sorry, the complete setup.py command should be

   python setup.py build_src build_clib build_ext -DUNDERSCORE_G77 build

(this time I tested and it works)

> Yah know, maybe this isn't worth it.  I can get everything working if I use 
> g77-compiled LAPACK, ATLAS, and scipy such as you're providing on the Web 
> site or I build myself.  Since LAPACK and ATLAS contain no routines with 
> embedded underscores, g77 compiled versions link against Absoft compiled 
> callers just fine.  I wonder how much performance I really gain by insisting 
> on compiling with Absoft.  Off to run some benchmarks...

I wonder why people think that gnu compiler is slow...

Pearu




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