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Well, just take a look <a
href="http://www.mcs.anl.gov/research/projects/mpich2/">here</a>
or <a href="http://www.open-mpi.org/">here</a>.<br>
I built it long time ago, I remember that was not difficult.<br>
Check whether there is mpich2 or open-mpi package for your distro.<br>
Remember that you have OpenMP on your machine ....<br>
<br>
Éric.<br>
<br>
<br>
On 05/25/2011 02:27 AM, vicky singh wrote:
<blockquote
cite="mid:BANLkTikzhtbQa+K_e2h4mhVHnyoxUYchkg@mail.gmail.com"
type="cite"><span class="gD" style="color: rgb(91, 16, 148);">Dear
Eric</span><br>
Thanks a lot for your suggestion. Can you let me know that if
mpich is not there can it be installed.<br>
<br>
vicky singh<br>
<br>
<div class="gmail_quote">
On Wed, May 25, 2011 at 10:42 PM, Eric Germaneau <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:germaneau@gucas.ac.cn">germaneau@gucas.ac.cn</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">
<div bgcolor="#ccccff" text="#000000"> Hey Vicky,<br>
<br>
if mpich (for instance) is installed, it will automatically
detect it.<br>
Then you will have to do <br>
<br>
<font color="#663366">mpiexec -n 4 path_to_qe_exec <
input_file > out_file</font><br>
<br>
in order to use the 4 cores.<br>
Note that this is well documented in the examples.<br>
<br>
The other solution is to build QE with OpenMP, but I have
not really tried.<br>
Well, the only one tentative I did was unsuccessful.<br>
<br>
Hope it helps,<br>
<br>
Éric.
<div>
<div class="h5"><br>
<br>
On 05/25/2011 12:55 AM, vicky singh wrote: </div>
</div>
<blockquote type="cite">
<div>
<div class="h5">Hi<br>
I have recently got a new system with i5 processor.
Since it has 4 processor how can i install QE such
that i can run parallel processing. Documentation says
just to use ./configure and make to be done for
compiling. will these command when run will consider
the system configuration and install parallel version.<br>
<br>
Thanks for suggestion in advance.<br>
<br>
Vicky singh<br>
research student <br>
Bangalore<br>
</div>
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<a moz-do-not-send="true"
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Éric Germaneau</a><br>
<br>
College of Physical Sciences<br>
Graduate University of Chinese Academy of Sciences<br>
Yuquan Road 19A<br>
Beijing 100049<br>
China<br>
<br>
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<div class="moz-signature">-- <br>
<center>
<font color="#946e8c">
<em>
Be the change you wish to see in the world<br>
</em>
<small>
<font color="#946e8c">
— Mahatma Gandhi —<br>
</font></small>
<br>
<a href="mailto:germaneau@gucas.ac.cn">Dr. Éric Germaneau</a><br>
<br>
College of Physical Sciences<br>
Graduate University of Chinese Academy of Sciences<br>
Yuquan Road 19A<br>
Beijing 100049<br>
China<br>
<br>
<small>
<em>
<font style="color: rgb(73, 136, 72);" face="Times">
Please, if possible, don't send me MS Word or PowerPoint
attachments<br>
Why? See: <a
href="http://www.gnu.org/philosophy/no-word-attachments.html"
style="text-decoration: none;"><font color="#498848">http://www.gnu.org/philosophy/no-word-attachments.html</font></a>
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