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On Sunday 21 August 2005 10:25 am, Peter Bienstman wrote: |
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> On Sunday 21 August 2005 15:22, Darren Dale wrote: |
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> > I use numeric and scipy, and have been trying for a long time to improve |
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> > the ebuilds to use blas/lapack/atlas. I submitted an ebuild for numeric |
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> > six months ago (http://bugs.gentoo.org/show_bug.cgi?id=81520), but it has |
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> > languished in buzilla because it is not clear how to deal with ATLAS (my |
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> > atlas USE flag was rejected). How should ATLAS dependencies be handled in |
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> > the new infrastructure? |
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> |
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> In theory it's as simple as depending on virtual/blas and virtual/lapack. |
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> The user can then switch between different lapack and blas implementations |
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> at runtime with blas-config and lapack-config. |
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It is not that simple. If numeric and scipy are to make use of atlas, atlas |
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has to be in their external library list at compile time. If atlas is in the |
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list, but not installed on the system, compilation will fail. |
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-- |
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Darren S. Dale |
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|
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Bard Hall |
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Department of Materials Science and Engineering |
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Cornell University |
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Ithaca, NY. 14850 |
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dd55@×××××××.edu |
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http://people.ccmr.cornell.edu/~dd55/ |
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-- |
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