I've got the advice to use -O3 with -fp-model precise and -fp-model source and see if numerics are stable and faster than -O2
At one of the web presentations of Fortran 10 they promised that the
bugs were fixed in Fortran 10 and that even -O3 should not affect the
calculation results.
- [SIESTA-L] compilation Alexandre Lebon
- Re: [SIESTA-L] compilation Eduardo Anglada
- [SIESTA-L] Failure to converge Marcos Verissimo Alves
- Re: [SIESTA-L] Failure to converge Emilio Artacho
- Re: [SIESTA-L] Failure to converge Marcos Verissimo Alves
- Re: [SIESTA-L] Failure to converge X. Feng
- [SIESTA-L] gnubands error Ricardo Faccio
- Re: [SIESTA-L] gnubands error Mariusz Krawiec
- Re: [SIESTA-L] gnubands e... Ricardo Faccio
- Re: [SIESTA-L] compilation Marcos Verissimo Alves
- Re: [SIESTA-L] compilation Oleksandr Voznyy
- [SIESTA-L] compilation eb na