[Wien] pairhess in v9.1 and v8.3. [SEC=UNCLASSIFIED]

bli@notes.cc.sunysb.edu bli at notes.cc.sunysb.edu
Tue May 5 23:15:33 CEST 2009


I tried, but it did not work. The .inM is not even generated at all, I 
also tried running the program "x pairhess" at command line, it results in 
segmentation fault. 
So I changed "parameter " back to the old one in "params.inc", recompiled 
pairhess, and manually inserted atoms in the .inM file, and the mini 
program was running fine.  Maybe I can live with that until the next 
release of Wien2k. 
Thanks for the help. 



From:
Peter Blaha <pblaha at theochem.tuwien.ac.at>
To:
A Mailing list for WIEN2k users <wien at zeus.theochem.tuwien.ac.at>
Date:
05/05/2009 04:32 AM
Subject:
Re: [Wien] pairhess in v9.1 and v8.3. [SEC=UNCLASSIFIED]
Sent by:
wien-bounces at zeus.theochem.tuwien.ac.at



Try to remove /home/bli/my_w2k/Mg2SiO4-g/Mg2SiO4-g.inM and start the 
minimization again.

bli at notes.cc.sunysb.edu schrieb:
> 
> Hi,
> A few weeks ago, I had experienced the same problem (empty *.inM file) 
> with my exercise on Mg2SiO4 spinel (227, Fd-3m) using Wien2k 9.1 (Ubuntu 

> 8.04, ifc 10.1.and mkl 10.1). In addition to an empty *.inM file, the 
> pairhess eror file says "  'PairHe' - Error, structure does not appear 
> to have variable positions!".
> 
> After seeing this email, I made the change in SRC_pairhess directory as 
> suggested, then I ran the "min. positions" again, w2web gives the error 
> message"
> *"System Error*
> Can't read file //home/bli/my_w2k/Mg2SiO4-g/Mg2SiO4-g.inM.""
> Is there something wrong with my compilation or this is still bug 
related?
> Thank you for your help.
> Boahseng
> 
> 
> 
> 
> 
> *Re: [Wien] pairhess in v9.1 and v8.3. [SEC=UNCLASSIFIED]*
> 
> 
> *Peter Blaha *                 to:             A Mailing list for WIEN2k 
users 
> 04/29/2009 04:02 AM
> 
> 
> Sent by:               *wien-bounces at zeus.theochem.tuwien.ac.at*
> 
> 
> *Please respond to A Mailing list for WIEN2k users* 
> 
> 
> 
> 
> ------------------------------------------------------------------------
> 
> 
> 
> I do not quite understand why this problem appears only in version 09.1 
and
> not in 08.3; but I found the problem (which should also be present in 
> earlier
> versions):
> 
> Please edit $WIENROOT/SRC_pairhess/params.inc   and replace the line:
> 
>        parameter (nsymm=48)
> by
>        parameter (nsymm=48*4)
> 
> Recompile  (make; cp pairhess ..). This fixes the problem.
> 
> 
> CLEMENTS, Richard schrieb:
>  > Dear Wien users,
>  >
>  > 
>  >
>  > Subject: Irregularities in pairhess between WIEN2k_09.1 and 
WIEN2k_08.3
>  >
>  > 
>  >
>  > We are running WIEN2k_09.1 and v.08.3 across three different machines
>  > for the cubic pyrochlore system Ln(2)Zr(2)O(7), SG 227.
>  >
>  > 
>  >
>  > When attempting to minimise the O1 U parameter (which has a force 
.gt.
>  > 5mRy/Bohr after convergence and volume optimisation) in w2web’s 
‘mini’
>  > function in WIEN2k_09.1, pairhess returns the error “x pairhess not
>  > executed because of unsupported R-lattice ! x pairhess executed and
>  > .minrestart / Nd2Zr2O7_K800.inM files generated !”. The case.inM file
>  > resulting from this process is empty. The file pairhess.error only 
says
>  > “ERROR IN PAIRHESS”. This error has been replicated on two separate
>  > installs of v9.1. One install is coarse grain parallelised, compiled
>  > with Portland on Sun x2200 compute notes (dual quad-core AMD Opteron
>  > Barcelona) using ACML BLAS, on a 64-bit linux OS. The second v9.1
>  > install is serialised on an ASUS eeePC 900 running an Intel Celeron M
>  > 900, using Intel Fortran Compiler 10.1.018 and Intel MKL 10.0.4.023 
and
>  > 32-bit Ubuntu linux 8.04.
>  >
>  > 
>  >
>  > When the same procedure is attempted (with the same input files) in
>  > WIEN2k_08.3, pairhess executes successfully and generates a valid
>  > case.inM file, and position optimisation of the O1 U parameter 
proceeds
>  > until fc is achieved. When the actual case files which minimised
>  > successfully in 8.3 are copied over to 9.1, pairhess fails to run.
>  > Version 8.3 is installed on a 2 x dual core Intel Xeon server running
>  > 64-bit Red Hat Enterprise Linux AS release 4 (Nahant Update 7) and
>  > compiled with Intel Fortran 9 and MKL 8.
>  >
>  > About the case:
>  >
>  > The system is being run with 800 k-points (shifted), rkmax = 7 and 
GGA
>  > with -6.0 Ry energy difference. Multisecant mixing is used with a 
mixing
>  > factor of 0.05 and the system is not run as spin-polarised. RMTs are
>  > generated automatically as -8%.
>  >
>  > 
>  >
>  > We are unsure as to why pairhess will run in v8.3 but not v9.1 with 
the
>  > same input files, and haven’t been able to find anything in the 
mailing
>  > list or manual as yet. We would like to be able to run ‘mini’ on this
>  > case in v9.1. Any help or comments about the matter would be 
gratefully
>  > received.
>  >
>  > 
>  >
>  > 
>  >
>  > Regards,
>  >
>  > **Richard Clements**
>  >
>  > Bragg Institute
>  >
>  > Building 82, Australian Nuclear Science and Technology Organisation
>  >
>  > PMB 1, Menai NSW 2234
>  >
>  > T 02 9717 7233
>  >
>  > F 9717 3606
>  >
>  > M 0418 644 110
>  >
>  > E _richard.clements_ at ansto.gov.au
>  > <mailto:richard.clements at richard.clementsansto.gov.au>
>  >
>  > www.ansto.gov.au <http://www.ansto.gov.au/>
>  >
>  > 
>  >
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> -- 
> 
>                                       P.Blaha
> 
--------------------------------------------------------------------------
> Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
> Phone: +43-1-58801-15671             FAX: +43-1-58801-15698
> Email: blaha at theochem.tuwien.ac.at    WWW: 
> http://info.tuwien.ac.at/theochem/
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-- 

                                       P.Blaha
--------------------------------------------------------------------------
Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
Phone: +43-1-58801-15671             FAX: +43-1-58801-15698
Email: blaha at theochem.tuwien.ac.at    WWW: 
http://info.tuwien.ac.at/theochem/
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