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[Branch ~yade-pkg/yade/git-trunk] Rev 3915: update about openblas+openmp on 12.04

To: Yade developers <yade-dev@xxxxxxxxxxxxxxxxxxx>
From: noreply@xxxxxxxxxxxxx
Date: Fri, 11 Apr 2014 13:21:25 -0000
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------------------------------------------------------------
revno: 3915
committer: Bruno Chareyre <bruno.chareyre@xxxxxxxxxxxxxxx>
timestamp: Fri 2014-04-11 10:38:12 +0200
message:
  update about openblas+openmp on 12.04
modified:
  doc/sphinx/installation.rst


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=== modified file 'doc/sphinx/installation.rst'
--- doc/sphinx/installation.rst	2014-04-02 15:19:41 +0000
+++ doc/sphinx/installation.rst	2014-04-11 08:38:12 +0000
@@ -157,9 +157,8 @@
 
 		sudo apt-get install python-gts python-minieigen \
 		
-For effective usage of direct solvers in the fluid coupling, the following libraries are recommended, together with eigen>=3.1: blas, lapack, suitesparse, and metis.
-All four of them are available in many different versions. Different combinations are possible and not all of them will work. The following was found to be effective on ubuntu 12.04 and debian wheezy.
-(openblas provides its own version of lapack, and suitesparse-metis will trigger the installation of parmetis)::
+For effective usage of direct solvers in the PFV-type fluid coupling, the following libraries are recommended, together with eigen>=3.1: blas, lapack, suitesparse, and metis.
+All four of them are available in many different versions. Different combinations are possible and not all of them will work. The following was found to be effective on recent deb-based systems. On ubuntu 12.04, better compile openblas with USE_OPENMP=1, else yade will run on a single core.
 
 		sudo apt-get install libopenblas-dev libsuitesparse-metis-dev \
 
@@ -168,7 +167,7 @@
 installed from our `external PPA <https://launchpad.net/~yade-users/+archive/external/>`_
 or just ignored. In this case some features can be disabled.
 
-If you are using other distribuition, than Debian or its derivatives, you should
+If you are using other distribution, than Debian or its derivatives, you should
 install the softwares listed above. Their names can differ from the 
 names of Debian-packages.