[Pw_forum] PW.x : restart of mpi jobs with disk_io='high' broken?

Konstantin Kudin konstantin_kudin at yahoo.com
Mon Dec 19 16:55:39 CET 2005


 Alexander,

 Please do provide a test job with output so that it is possible to
reproduce your bug.

 Otherwise the request resembles "my computer does not work!" type of
complaints.

 Kostya


--- Alexander Shaposhnikov <shaposh at isp.nsc.ru> wrote:

> No, cannot restart with disk_io='high' in any case.
> Can anybody confirm this?
> Is there any real use for disk_io='high' performance-wise (for large
> jobs and high-speed io)?
> 
> Regards,
> Alex
> 
> On Fri, 2005-12-16 at 11:35 -0800, Konstantin Kudin wrote:
> >  Please report if you can restart with the following options:
> > 
> >  startingpot='file'
> >  startingwfc='atomic'
> > 
> >  Kostya
> > 
> > --- Alexander Shaposhnikov <shaposh at isp.nsc.ru> wrote:
> > 
> > > Hello. Sorry again for the silly posts about relaxation:)
> > > 
> > > What i have found :
> > > Restart of mpi jobs with NCPU>1 and  disk_io set to 'high' 
> > > seems to be broken. It hangs with the last message "Starting wfc
> from
> > > file". 'normal' or 'low' have no problem, as well as 'high' on
> just
> > > one
> > > CPU.
> > > 
> > > Regards,
> > > Alex
> > > 
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