Re: [AMBER] TI production error in nstep =1

From: Debarati DasGupta <debarati_dasgupta.hotmail.com>
Date: Fri, 6 Mar 2020 14:46:40 +0000

Hi Prof Case
I shared my input file in amber mailing list .
Is it not showing up?

It works when I do the same thing on cpus using pmemd.MPI, but I need to get the process calibrated for GPUs else I have like 80 such calculations to do and it would be nit so viable using 12 processors versus using pmemd.cuda

Thanks

My input file is as follows:
&cntrl
    imin = 0, nstlim = 500, dt = 0.001,
    irest = 1, ntx = 5, ig = -1,
    tempi = 300.0, temp0 = 300.0,
    ntc = 2, ntf = 1, tol = 0.00001,
    ntwx = 1, ntwe = 1, ntwr = 1, ntpr = 1,
    cut = 12.0,
    ntt =3, ntb = 1, ntp = 0, gamma_ln=2.5,
    nscm = 0,
    ntr=1, restraintmask=':1', restraint_wt = 20.00,
    icfe = 1, clambda = 0.43738, ifsc=1,
    timask1=':C3N',timask2='',
    scmask1=':C3N', scmask2=''


















From: David A Case<mailto:david.case.rutgers.edu>
Sent: Friday, March 6, 2020 7:48 AM
To: AMBER Mailing List<mailto:amber.ambermd.org>
Subject: Re: [AMBER] TI production error in nstep =1

On Thu, Mar 05, 2020, Debarati DasGupta wrote:

>Error: an illegal memory access was encountered launching kernel kNLSkinTest
>Any ideas on how to tackle this error?

What happens if you run the same short job on a CPU? Do you see rapid
energy changes on the first few steps?

Are you able to share the input files so that someone (not me!) could
try to reproduce the problem?

..thx...dac


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Received on Fri Mar 06 2020 - 07:00:01 PST
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