[Pw_forum] CVS cp.x

[Konstantin Kudin]

 It does look like fix for "pseudopot.f90" took care of the problem!

 Kostya


--- Konstantin Kudin <konstantin_kudin at yahoo.com> wrote:

>  OK. Here is some indication of where the problem might be.
> 
>  When I compiled things with -D__USE_INTERNAL_FFTW, I had the same
> error message on AMD64.
> 
>  Once I recompiled with the external FFTW library, the code works.
> 
>  So either today's fix for "pseudopot.f90" took care of the problem,
> or, there is an issue with the internal FFTW library.
> 
>  It is likely that nobody's build is testing -D__USE_INTERNAL_FFTW,
> so
> things have gotten out of sync.
> 
>  Kostya
> 
> 
> 
> --- Paolo Giannozzi <giannozz at nest.sns.it> wrote:
> 
> > On Tuesday 01 November 2005 05:46, Alexander Shaposhnikov wrote:
> > 
> > > It does not work for me [...] The architecture is AMD64,
> > > ifort9.0 + icc9.0, goto-blas + ACML, mpich2. 
> > 
> > the possibility that a subtle bug shows up only for some compilers 
> > or some architectures or some values of the phase of the moon
> > can never be ruled out. A compiler bug seems to me a more likely
> > reason, though. There are a few things you can do to in order to 
> > clarify this issue:
> > - check if later releases of ifort 9.0 (if any) have the same
> problem
> > - check if g95 has the same problem (or a different one)
> > - check if the problem disapperas by disabling optimization
> > - find the place in the code where the error appears (use grep), 
> > trace it back (for instance: if it is a badly set variable, look
> for
> > theplace where is set). If it is a real bug, it shoud be tracked to
> 
> > a precise location.
> >   
> > In any event, waiting for the problem to disappear is hardly a
> > good strategy
> > 
> > Paolo
> > 
> > --
> > Paolo Giannozzi             e-mail:  giannozz at nest.sns.it
> > Scuola Normale Superiore    Phone:   +39/050-509876, Fax:-563513 
> > Piazza dei Cavalieri 7      I-56126 Pisa, Italy
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> > http://www.democritos.it/mailman/listinfo/pw_forum
> > 
> 
> 
> 
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