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<p>If you are using mpi, it should be aware automatically if
everything was compiled with support (eg mpirun).</p>
<p>If you are looking to just get the total tasks, $SLURM_NTASKS is
probably what you are looking for</p>
<p><br>
</p>
<p>Brian Andrus<br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 6/8/2019 2:46 AM, Mahmood Naderan
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CADa2P2VZgHVyJKPM5CHmBB9ZjU-9PtnMjk_RpT-RqhR9_1ALxA@mail.gmail.com">
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<div class="gmail_default" style="font-family:tahoma,sans-serif">Hi,</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif">A
genetic program uses -num_threads in command line for parallel
run. I use the following directives in slurm batch file</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif"><br>
</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif">#SBATCH
--ntasks-per-node=6<br>
#SBATCH --nodes=2<br>
#SBATCH --mem-per-cpu=2G</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif"><br>
</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif">for
12 processes and 24GB of memory. Is there any slurm variable
that counts all threads from the directives? So, I can use</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif"><br>
</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif">-num_threads
$SLURM_COUNT</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif"><br>
</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif">where
SLURM_COUNT is 12. Any idea?</div>
<div class="gmail_default" style="font-family:tahoma,sans-serif"><br>
</div>
<div>
<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr"><font face="tahoma,sans-serif">Regards,<br>
Mahmood</font><br>
<br>
<br>
</div>
</div>
</div>
</div>
</blockquote>
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