Re: [Help-gsl] Using ATLAS to generate a BLAS implementation foruse with GSL

[Jochen Küpper <jochen at fhi-berlin dot mpg dot de>]

On Mon, 8 Mar 2004 16:53:58 -0800 Ian Vosper wrote:

Ian> I am working with a group that is considering various signal
Ian> processing/linear algebra libraries for our programming, and of course
Ian> performance is among our main concerns. We're not sure what platform we'll
Ian> end up on, and feel that ATLAS can help us to optimize our code. I was
Ian> wondering if it was possible to use ATLAS to generate an optimized BLAS
Ian> implementation, and to have GSL rely on that implementation, rather than
Ian> its own. Please let me know if you have any insight relating to this
Ian> topic.

,----[ (info "(gsl-ref)Compiling and Linking") ]
| The following command line shows how you would link the same application
| with an alternative blas library called `libcblas',
| 
|      gcc example.o -lgsl -lcblas -lm
| 
| For the best performance an optimized platform-specific CBLAS library
| should be used for `-lcblas'.  The library must conform to the CBLAS
| standard.  The ATLAS package provides a portable high-performance BLAS
| library with a CBLAS interface.  It is free software and should be
| installed for any work requiring fast vector and matrix operations.
| The following command line will link with the ATLAS library and its
| CBLAS interface,
| 
|      gcc example.o -lgsl -lcblas -latlas -lm
| 
| For more information see *Note BLAS Support::.
`----

Greetings,
Jochen
-- 
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        (Part 3 you find in my messages before fall 2003.)

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