<div dir="ltr"><div><div><div><br>Hi <span name="Lorenzo Paulatto" class="gmail-m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">Lorenzo, <br></span></div><span name="Lorenzo Paulatto" class="gmail-m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">I have tried for small cutoff values and changing the k-pt, still after each iteration it is not writing the total energy, I have attached the output file, can you please look this.<br><br></span></div><span name="Lorenzo Paulatto" class="gmail-m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">Thanks,<br></span></div><span name="Lorenzo Paulatto" class="gmail-m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">Rita<br></span></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 28, 2016 at 8:37 PM, Rita Maji <span dir="ltr"><<a href="mailto:rita.maji@niser.ac.in" target="_blank">rita.maji@niser.ac.in</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Hi <span name="Lorenzo Paulatto" class="m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">Lorenzo,<br></span></div><span name="Lorenzo Paulatto" class="m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">Thanks for your quick reply.<br><br></span></div><span name="Lorenzo Paulatto" class="m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">Thanks,<br></span></div><span name="Lorenzo Paulatto" class="m_4622619492863826896gmail-m_-3593331595902955291gmail-gD">Rita<br></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 28, 2016 at 8:17 PM, Lorenzo Paulatto <span dir="ltr"><<a href="mailto:lorenzo.paulatto@impmc.upmc.fr" target="_blank">lorenzo.paulatto@impmc.upmc.<wbr>fr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Rita,<br>
my guess is that the calculation is just much slower than you expect! Exact<br>
exchange is slow in general.<br>
<br>
Try to do a test run with:<br>
- only one k-point<br>
- a much lower cutoff<br>
<br>
This will give you an idea of the time it will take to reach convergence, than<br>
you can start to crank it up.<br>
<br>
Note that the time should increase with cutoff to power 3/2 and with the square<br>
of the number of k-points !<br>
<br>
You may also want to set nqx1, nqx2, nqx3 to a divisor of the number of k-<br>
points in the three directions (no luck with 7, I'm afraid!) which reduces the<br>
exchange integral to a subset of the k-points, at the expenses of some<br>
accuracy<br>
<br>
cheers<br>
<div class="m_4622619492863826896HOEnZb"><div class="m_4622619492863826896h5"><br>
<br>
<br>
On Friday, October 28, 2016 7:54:59 PM CEST Rita Maji wrote:<br>
> Hi Lorenzo,<br>
> I am doing LSDA calculation for a 5x5 doped graphene calculation, to see<br>
> the change in magnetic property for hybrid functional I am trying to do<br>
> with PBE0, it is taking long time and also not printing total energy at<br>
> each scf steps so that I can see whether it is converging properly or not,<br>
> and also not showing any error during running. First time I am using Hybrid<br>
> functional so I have used all default parameters as of now, Here I have<br>
> attached the input file, any suggestion will be very much helpful.<br>
><br>
> Thanks,<br>
> Rita<br>
><br>
> On Fri, Oct 28, 2016 at 2:31 PM, Lorenzo Paulatto <<br>
><br>
> <a href="mailto:lorenzo.paulatto@impmc.upmc.fr" target="_blank">lorenzo.paulatto@impmc.upmc.fr</a><wbr>> wrote:<br>
> > Dear Rita,<br>
> > please provide more details.<br>
> ><br>
> > kind regards<br>
> ><br>
> > On Friday, October 28, 2016 11:01:09 AM CEST Rita Maji wrote:<br>
> > > Dear all,<br>
> > > during LSDA calcultion with hybrid functional (PBE0) it is not writing<br>
> > > total and absolute magnetization and also all the contribution to total<br>
> > > energy, can anybody help me .<br>
> > ><br>
> > ><br>
> > > Thanking You,<br>
> > > Rita Maji<br>
> > > NISER, Bhubaneswar<br>
> ><br>
> > --<br>
> > Dr. Lorenzo Paulatto<br>
> > IdR @ IMPMC -- CNRS & Université Paris 6<br>
> > phone: +33 (0)1 44275 084 / skype: paulatz<br>
> > www: <a href="http://www-int.impmc.upmc.fr/~paulatto/" rel="noreferrer" target="_blank">http://www-int.impmc.upmc.fr/<wbr>~paulatto/</a><br>
> > mail: 23-24/4é16 Boîte courrier 115, 4 place Jussieu 75252 Paris Cédex 05<br>
> ><br>
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<br>
<br>
--<br>
Dr. Lorenzo Paulatto<br>
IdR @ IMPMC -- CNRS & Université Paris 6<br>
phone: +33 (0)1 44275 084 / skype: paulatz<br>
www: <a href="http://www-int.impmc.upmc.fr/~paulatto/" rel="noreferrer" target="_blank">http://www-int.impmc.upmc.fr/<wbr>~paulatto/</a><br>
mail: 23-24/4é16 Boîte courrier 115, 4 place Jussieu 75252 Paris Cédex 05<br>
<br>
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