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bicatali 07/12/27 19:35:25 |
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|
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Modified: blas-lapack.xml |
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Log: |
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added examples of working profiles |
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|
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Revision Changes Path |
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1.3 xml/htdocs/proj/en/science/blas-lapack.xml |
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|
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file : http://sources.gentoo.org/viewcvs.py/gentoo/xml/htdocs/proj/en/science/blas-lapack.xml?rev=1.3&view=markup |
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plain: http://sources.gentoo.org/viewcvs.py/gentoo/xml/htdocs/proj/en/science/blas-lapack.xml?rev=1.3&content-type=text/plain |
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diff : http://sources.gentoo.org/viewcvs.py/gentoo/xml/htdocs/proj/en/science/blas-lapack.xml?r1=1.2&r2=1.3 |
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|
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Index: blas-lapack.xml |
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=================================================================== |
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RCS file: /var/cvsroot/gentoo/xml/htdocs/proj/en/science/blas-lapack.xml,v |
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retrieving revision 1.2 |
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retrieving revision 1.3 |
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diff -u -r1.2 -r1.3 |
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--- blas-lapack.xml 23 Oct 2007 14:14:53 -0000 1.2 |
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+++ blas-lapack.xml 27 Dec 2007 19:35:25 -0000 1.3 |
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@@ -1,6 +1,6 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> |
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-<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/proj/en/science/blas-lapack.xml,v 1.2 2007/10/23 14:14:53 markusle Exp $ --> |
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+<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/proj/en/science/blas-lapack.xml,v 1.3 2007/12/27 19:35:25 bicatali Exp $ --> |
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|
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<guide link="/proj/en/science/blas-lapack.xml"> |
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<title>Using multiple versions of BLAS and LAPACK with Gentoo/Linux</title> |
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@@ -183,7 +183,7 @@ |
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</body> |
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</section> |
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<section> |
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-<title>Switching libraries</title> |
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+<title>Choosing libraries</title> |
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<body> |
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|
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<p> |
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@@ -218,8 +218,42 @@ |
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<uri link="http://www.gentoo.org/proj/en/eselect/user-guide.xml">eselect guide</uri> |
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</p> |
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|
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+<p> |
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+When selecting blas, cblas or lapack profiles try to avoid mixing |
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+different implementations since we don't have any mechanism to enforce |
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+reasonable profiles. However, here is a list of well performing |
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+profile combinations that have been used successfully in the past: |
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+</p> |
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+<ul> |
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+ <li> Most CPUs: |
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+ <ul> |
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+ <li>blas,cblas: atlas (or atlas-threads with multi-processor)</li> |
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+ <li>lapack:atlas</li> |
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+ </ul> |
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+ </li> |
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+ <li> Most CPUs: |
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+ <ul> |
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+ <li>blas: goto </li> |
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+ <li>cblas,lapack: reference</li> |
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+ </ul> |
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+ </li> |
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+ <li> AMD based CPUs: |
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+ <ul> |
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+ <li>blas,lapack: acml-gfortran (or acml-gfortran-openmp with |
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+ multi-processors) </li> |
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+ <li>cblas: reference</li> |
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+ </ul> |
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+ </li> |
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+ <li> Intel based CPUs: |
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+ <ul> |
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+ <li>blas,cblas,lapack: mkl-threads</li> |
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+ </ul> |
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+ </li> |
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+</ul> |
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+ |
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</body> |
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</section> |
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+ |
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<section> |
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<title>Choosing a compiler</title> |
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<body> |
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@@ -245,17 +279,17 @@ |
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</p> |
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|
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<p> |
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-Some of the implementations let you specify the Intel® C compiler as well. Please beware that |
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-not all libraries compile with all combinations. |
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-You should receive an error during the emerge in case you have |
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-chosen |
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-an incompatible combination. |
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+Some of the implementations let you specify the Intel® C compiler as |
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+well. Please beware that not all libraries compile with all |
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+combinations. You should receive an error during the emerge in case you have |
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+chosen an incompatible combination. |
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</p> |
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|
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<p> |
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-As usual for Gentoo, there are many combinations of USE flags and compilers with |
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-which you could compile a package. Unfortunately switching compilers between |
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-BLAS and LAPACK might not be always compatible. For example: |
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+As usual for Gentoo, there are many combinations of USE flags and |
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+compilers with which you could compile a package. Unfortunately |
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+switching compilers between BLAS and LAPACK might not be always |
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+compatible. For example: |
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</p> |
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|
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<pre caption="Incompatible combinations"> |
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|
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|
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|
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-- |
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