[Pw_forum] Re: OPTERON 64-bit and Portland pgf90 5.2-4

Paolo Giannozzi giannozz at nest.sns.it
Wed Oct 27 09:13:58 CEST 2004

On Tuesday 26 October 2004 19:12, Andrea Floris wrote:

> I changed the optimization level to -01 [...] and ph.x does not give any
> more segmentation fault errors. If anyone has another solution, maybe 
> preserving the optimization level -02, please let me know..

typically, problems with optimization are localised in a single routine.
If you find out which one, you can compile that routine with -O1 and 
the rest with -O2. Not exactly a smart solution but better than nothing.


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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