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Re: [abinit-forum] v.5.3.x is slower than v.5.2.x ?!


Chronological Thread 
  • From: Yann Pouillon <yann.pouillon@ehu.es>
  • To: forum@abinit.org
  • Subject: Re: [abinit-forum] v.5.3.x is slower than v.5.2.x ?!
  • Date: Wed, 09 May 2007 16:39:08 +0200
  • Organization: European Theoretical Spectroscopy Facility (ETSF)

Hi,

Le mercredi 09 mai 2007 à 14:41 +0200, Marc Torrent a écrit :
Between 5.2.3 and 5.2.4:
You found that cpu time increases (1.618 h -> 3.489 h)... it's
surprising !... because these two versions of Abinit do not have any
differences for ground states calculations...
Only a few comments, new input keywords and tests have been added.
Just verify that your input file does not contain userid keyword
(because Pierre-Matthieu changed some lines for that in 5.2.4).
The "major evolution" between 5.2.3 and 5.2.4 is the build system !...
Do you think it would be possible for you to compile Abinit 5.2.4 with
5.2.3 build system ? (just try to copy /src directory from 5.2.4 to
5.2.3 ???).

For your information: the 5.3.4 build system has a "--enable-cclock" option, in order to use the more precise C clock routine. The only associated modification is in timein.F90

Best regards,

Yann.


PLEASE NOTE MY NEW COORDINATES!

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Yann Pouillon                 European Theoretical Spectroscopy Facility (ETSF)
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