Re: Re: ORCA NAMD Parallel

From: Marcelo C. R. Melo (melomcr_at_gmail.com)
Date: Fri Mar 15 2019 - 16:20:58 CDT

You can use the qmConfigLine to specify the machinefile. ORCA expects the
machinefile to be in the directory where ORCA is executed, that is, the
path you select for "qmExecPath" + "/0" (for QM region 0, for example).
Best

---
Marcelo Cardoso dos Reis Melo, PhD
Postdoctoral Research Associate
Luthey-Schulten Group
University of Illinois at Urbana-Champaign
crdsdsr2_at_illinois.edu
+1 (217) 244-5983
On Fri, 15 Mar 2019 at 10:55, McGuire, Kelly <mcg05004_at_byui.edu> wrote:
> Thanks for the response.  By Orca execution directory, do you mean where
> ORCA is located or where I am running my simulations?  Also, specifying the
> machine file in the Orca input, meaning in my NAMD config file for my QMMM
> simulation, would that be specified in the qmConfigLine?
>
> *Kelly L. McGuire*
>
> *PhD Candidate*
>
> *Biophysics*
>
> *Department of Physiology and Developmental Biology*
>
> *Brigham Young University*
>
> *LSB 3050*
>
> *Provo, UT 84602*
>
>
> ------------------------------
> *From:* Gerard Rowe <GerardR_at_usca.edu>
> *Sent:* Friday, March 15, 2019 8:45 AM
> *To:* namd-l_at_ks.uiuc.edu; McGuire, Kelly
> *Subject:* Re: ORCA NAMD Parallel
>
> You can specify a machinefile in your Orca input by placing a file called
> MyInp.nodes in the orca execution directory.  In your case, it might be
> useful to play a little scripting magic to copy the one created by SLURM
> and remove the instances of the node being used by NAMD.  You could
> hard-code the machinefile if you're on a smaller cluster and know which
> nodes you'll be assigned.
>
> This is assuming that node allocation is the source of your error.  What
> you pasted in is a generic "Orca crashed" message.  The cause of the crash
> is usually found immediately above that message.
>
> -Gerard
>
> ------------------------------
> *From:* owner-namd-l_at_ks.uiuc.edu <owner-namd-l_at_ks.uiuc.edu> on behalf of
> McGuire, Kelly <mcg05004_at_byui.edu>
> *Sent:* Thursday, March 14, 2019 3:51 AM
> *To:* namd-l_at_ks.uiuc.edu
> *Subject:* namd-l: ORCA NAMD Parallel
>
> I am trying to use PAL8 in my qmConfigLine for ORCA QMMM, but get in my
> ORCA output :
>
>
> -------------------------------------------------------
> Primary job  terminated normally, but 1 process returned
> a non-zero exit code.. Per user-direction, the job has been aborted.
> -------------------------------------------------------
> --------------------------------------------------------------------------
> mpirun detected that one or more processes exited with non-zero status,
> thus causing
> the job to be terminated. The first process to do so was:
>
>   Process name: [[51120,1],0]
>   Exit code:    127
> --------------------------------------------------------------------------
> [file orca_main/gtoint.cpp, line 137]: ORCA finished by error termination
> in ORCA_GTOInt
>
>
>
>
> Is this probably due to ORCA and NAMD fighting for the same threads?  I
> haven't figured out how, yet, to tell ORCA which nodes are available.  We
> use SLURM.
>
>
>
> *Kelly L. McGuire*
>
> *PhD Candidate*
>
> *Biophysics*
>
> *Department of Physiology and Developmental Biology*
>
> *Brigham Young University*
>
> *LSB 3050*
>
> *Provo, UT 84602*
>
>
>

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