AMBER Archive (2007)Subject: Re: AMBER: make test.parallel not complete
From: Prem Prakash Pathak (prempolymer_at_gmail.com) 
Date: Thu Dec 20 2007 - 03:59:03 CST
 
 
 
 
Dear Ross,
 
 I applied bugfix.all and it worked. thank you for your help. Thanks a lot.
 
 regards
 
prem
 
 On 12/13/07, Ross Walker <ross_at_rosswalker.co.uk> wrote:
 
>
 
>  Hi Prem,
 
>
 
> 1) Are you using an Intel compiler? - There is a bug in it which
 
> miscompiles one of the qmmm loops in the parallel code.
 
>
 
> 2) Have you applied all the bugfixes - especially bugfix.30 which
 
> includes:
 
>
 
>              1) Workaround for some dodgy Intel compiler that can cause a
 
>                 QMMM MPI hang at printing kvector distribution in mdout
 
> file.
 
>              2) Fix QMMM PIMD MPI_Gather error in parallel.
 
> http://amber.scripps.edu/bugfixes90.html
 
>
 
> This will hopefully implement a workaround for this compiler bug.
 
>
 
> If you have done all this and still have problems then please send me some
 
> more details about your machine, os, compilers, mpi library (with version
 
> numbers etc). Also please send me the contents of
 
> $AMBERHOME/test/qmmm2/1NLN_periodic_lnk_atoms after the test has hung for a
 
> couple of minutes.
 
>
 
> All the best
 
> Ross
 
>
 
> /\
 
> \/
 
> |\oss Walker
 
>
 
> | HPC Consultant and Staff Scientist |
 
> | San Diego Supercomputer Center |
 
> | Tel: +1 858 822 0854 | EMail:- ross_at_rosswalker.co.uk |
 
> | http://www.rosswalker.co.uk | PGP Key available on request |
 
>
 
> Note: Electronic Mail is not secure, has no guarantee of delivery, may not
 
> be read every day, and should not be used for urgent or sensitive issues.
 
>
 
>
 
>  ------------------------------
 
> *From:* owner-amber_at_scripps.edu [mailto:owner-amber_at_scripps.edu] *On
 
> Behalf Of *Prem Prakash Pathak
 
> *Sent:* Thursday, December 13, 2007 00:10
 
> *To:* amber_at_scripps.edu
 
> *Subject:* AMBER: make test.parallel not complete
 
>
 
>
 
>  Dear AMBER user,
 
>
 
> I have amber9 when i tried to configure the it on 4 processor tower
 
> server, and tried to check by giving the command
 
>
 
> > make test.parallel,
 
>
 
> the checking process stucks
 
>
 
> >./run.1NLN_min
 
>
 
> what could be the reason.
 
> I am not getting any error message, programme doesnot proceeds further.
 
>
 
> thaks
 
>
 
>
 
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