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efficiency of paw potential


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  • From: "Zhenyu Li" <zyli@sina.com>
  • To: "forum" <forum@abinit.org>
  • Subject: efficiency of paw potential
  • Date: Wed, 7 Jan 2004 11:24:40 +0800

Dear ABINIT users

Has anybody here done some benchmark test on the efficiency on the
paw potential?
I have created a paw potential for carbon using atompaw (rc=1.3)and
atompaw2abinit.
My test job on diamond turns out that both PAW and TM NC potential need
almost same
ecuts (about 30.0), and the job using paw potential spend much more time than
the
one using TM potential (31.6 sec vs 16.0 sec). Is this mean that I can not
expect
to improve the efficiency much by using paw potential?

By the way, is there a method to reduce the space usage of the WFK
and 1WF files?
I often found my quota is too small. :-(

Thanks!

Best Wishes
Zhenyu Li

=================================================
Zhenyu LI
Ph.D. Candidate
Open Laboratory of Bond Selective Chemistry,
University of Science and Technology of China,
Hefei, Anhui, 230026,
People's Republic of China
Tel.: 86-551-3606428
Fax.: 86-551-3602969
http://www.bsc.ustc.edu.cn/~zyli/whoami/
===================================================              


  • efficiency of paw potential, Zhenyu Li, 01/07/2004

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