I think you are right. It is also possible that it's a problem of acml library. A pwscf binary compiled by pgif90 but linked with mkl works smoothly.<br><br>Aihua<br><br><div class="gmail_quote">On Sat, Mar 14, 2009 at 10:39 AM, Paolo Giannozzi <span dir="ltr"><<a href="mailto:giannozz@democritos.it">giannozz@democritos.it</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="im"><br>
On Mar 14, 2009, at 2:54 , Aihua Zhang wrote:<br>
<br>
> Compiler is pgf95 8.0-4 64-bit target on x86-64 Linux -tp k8-64.<br>
<br>
</div>ah...I reproduced your problem on a different machine (cray xt4)<br>
that also uses PGI; when I tried on my PC that uses Intel fortran,<br>
I couldn't reproduce it.<br>
<div class="im"><br>
> The problem is extremely subtle<br>
<br>
</div>the more I look at it, the more it looks like a compiler bug.<br>
There is a long list of problems with PGI that turned out<br>
to be due to compiler bugs.<br>
<br>
Paolo<br>
---<br>
<div><div></div><div class="h5">Paolo Giannozzi, Democritos and University of Udine, Italy<br>
<br>
<br>
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