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Commit d5a28a1d authored by Moe Jette's avatar Moe Jette
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Update OpenMPI info based upon input from Beat Rubischon

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...@@ -51,8 +51,8 @@ with SLURM are provided below. ...@@ -51,8 +51,8 @@ with SLURM are provided below.
<p>The current versions of SLURM and Open MPI support task launch using the <p>The current versions of SLURM and Open MPI support task launch using the
<span class="commandline">srun</span> command. <span class="commandline">srun</span> command.
It relies upon SLURM version 2.0 (or higher) managing It relies upon SLURM version 2.0 (or higher) managing reservations of
reservations of communication ports for the Open MPI's use. communication ports for use by the Open MPI version 1.5 (or higher).
The system administrator must specify the range of ports to be reserved The system administrator must specify the range of ports to be reserved
in the <i>slurm.conf</i> file using the <i>MpiParams</i> parameter. in the <i>slurm.conf</i> file using the <i>MpiParams</i> parameter.
For example: <br> For example: <br>
...@@ -76,15 +76,13 @@ ports.</p> ...@@ -76,15 +76,13 @@ ports.</p>
<h2>Older releases</h2> <h2>Older releases</h2>
<p>Older versions of Open MPI and SLURM rely upon SLURM to allocate resources <p>Older versions of Open MPI and SLURM rely upon SLURM to allocate resources
for the job and then mpirun to initiate the tasks. for the job and then mpirun to initiate the tasks.
When using SLURM's <span class="commandline">salloc</span> command,
<span class="commandline">mpirun</span>'s -nolocal option is recommended.
For example: For example:
<pre> <pre>
$ salloc -n4 sh # allocates 4 processors $ salloc -n4 sh # allocates 4 processors
# and spawns shell for job # and spawns shell for job
&gt; mpirun -np 4 -nolocal a.out &gt; mpirun a.out
&gt; exit # exits shell spawned by &gt; exit # exits shell spawned by
# initial srun command # initial salloc command
</pre></p> </pre></p>
<hr size=4 width="100%"> <hr size=4 width="100%">
...@@ -316,6 +314,6 @@ sbatch: Submitted batch job 1234 ...@@ -316,6 +314,6 @@ sbatch: Submitted batch job 1234
tasks. These tasks are not managed by SLURM since they are launched tasks. These tasks are not managed by SLURM since they are launched
outside of its control.</p> outside of its control.</p>
<p style="text-align:center;">Last modified 2 July 2010</p> <p style="text-align:center;">Last modified 15 October 2010</p>
<!--#include virtual="footer.txt"--> <!--#include virtual="footer.txt"-->
...@@ -75,6 +75,7 @@ Linux NetworX and many other contributors. ...@@ -75,6 +75,7 @@ Linux NetworX and many other contributors.
<li>Andy Riebs (HP)</li> <li>Andy Riebs (HP)</li>
<li>Asier Roa (Barcelona Supercomputer Center, Spain)</li> <li>Asier Roa (Barcelona Supercomputer Center, Spain)</li>
<li>Miguel Ros (Barcelona Supercomputer Center, Spain)</li> <li>Miguel Ros (Barcelona Supercomputer Center, Spain)</li>
<li>Beat Rubischon (DALCO AG, Switzerland)</li>
<li>Dan Rusak (Bull)</li> <li>Dan Rusak (Bull)</li>
<li>Eygene Ryabinkin (Kurchatov Institute, Russia)</li> <li>Eygene Ryabinkin (Kurchatov Institute, Russia)</li>
<li>Federico Sacerdoti (D.E. Shaw)</li> <li>Federico Sacerdoti (D.E. Shaw)</li>
...@@ -90,6 +91,6 @@ Linux NetworX and many other contributors. ...@@ -90,6 +91,6 @@ Linux NetworX and many other contributors.
<li>Anne-Marie Wunderlin (Bull)</li> <li>Anne-Marie Wunderlin (Bull)</li>
</ul> </ul>
<p style="text-align:center;">Last modified 29 September 2010</p> <p style="text-align:center;">Last modified 15 October 2010</p>
<!--#include virtual="footer.txt"--> <!--#include virtual="footer.txt"-->
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