From: Alexander Tzanov (Alexander.Tzanov_at_csi.cuny.edu)
Date: Wed Jun 24 2015 - 11:03:24 CDT
Just to clarify a bit more:
NAMD cannot use more than one core on a node. If I run with one core per node,
the NAMD runs. If I ask for more than one core i.e. 4 cores, I got the error:
--------------------------------------------------------------------------------------------------------------------------
There are not enough slots available in the system to satisfy the 4 slots
that were requested by the application:
namd2
Either request fewer slots for your application, or make more slots available
for use.
--------------------------------------------------------------------------
Thank you for your help.
Alex
On Jun 24, 2015, at 10:56 AM, Alexander Tzanov <Alexander.Tzanov_at_csi.cuny.edu<mailto:Alexander.Tzanov_at_csi.cuny.edu>> wrote:
Dear all,
I am trying to run NAMD 2.10 with CUDA support on single virtual node. My CUDA is 6.5.14. I am running
on IB cluster which runs PBS pro ver. 12.1.0.131281. I want to run on a single virtual node with
4 CPU cores and 2 GPU (the CPU itself has 16 cores). I compiled NAMD with cuda support
(mpi, smp CHARMM++ underneath). However when the NAMD cannot address more than one core.
As a result I get error “ Not enough slots”. Does anyone see the problem and if so to share his/her experience.
Thank you
Alex
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