<div class="gmail_quote">On Wed, May 16, 2012 at 9:58 PM, Paolo Giannozzi <span dir="ltr"><<a href="mailto:giannozz@democritos.it" target="_blank">giannozz@democritos.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div><br>On May 15, 2012, at 23:19 , Rui Mao wrote:<br><br>> Before you can split the job over q points and representations,<br>> you have to copy PREFIX.save (which is generated by scf calculation)<br>> to each sub directories where you want to do the ph calculation<br>
> separately.<br>> If the system is slightly large (more 20 atoms in unit cell), the<br>> PREFIX.save<br>> will be several GBs<br><br></div>if you have a parallel file system (i.e. one that is visible to all<br>
processors), it<br>might be sufficient to create symlinks. I don't know how this stuff<br>is working<br>now: just guessing<br></blockquote>The phonon calculation should not modify the prefix.save directory, except when running at Gamma AND not in a grid calculation.<div>
<br></div><div>I have a slightly modified version of the phonon code that works in a subdirectory whose name depends on the q-point, and never writes anything in prefix,save, not even for Gamma. With it you can run several different instances with the same prefix and outdir as long as the q points are different. <div>
<br></div><div>If you want to test it, I should be able to send you the patch tomorrow (today is holiday here)<div><br></div><div>bests<br clear="all"><div><br></div><div>-- </div><div>Lorenzo Paulatto IdR @ IMPMC/CNRS & Université Paris 6</div>
<div>phone: +33 (0)1 44275 084 / skype: paulatz</div><div>www: <a href="http://www-int.impmc.upmc.fr/~paulatto/" target="_blank">http://www-int.impmc.upmc.fr/~paulatto/</a></div><div>mail: 23-24/4é16 Boîte courrier 115, 4 place Jussieu 75252 Paris Cédex 05</div>
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