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gizmo_mathboy (782)

gizmo_mathboy
  reversethis-{moc ... } {yobhtamomzig}
aerospace engineer by education, all-around walking cesspool of knowledge by nature, and professional grade slacker by choice. Sysadmin at a major midwestern university.

Journal of gizmo_mathboy (782)

Tuesday December 17, 2002
12:36 AM

is g77 good enough?

[ #9502 ]

Since I work for a school of aeronautical and astronautical engineering and I'm thinking of making one of my compute servers linux based, I probably should really determine if g77 is good enough as a FORTRAN compiler.

I would think not. I talked with a grad student that uses linux and does a lot of FORTRAN work and she used PGI's compiler (Portland Group, Inc.). While it's not a good as Sun's compiler it seems to do a much better job than g77.

Oh well, I don't have the linux server yet so this is just idle chattering in my mind.


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  • Our CFD people (that are on Intel boxes) use either the Portland [pgroup.com] or the Lahey [lahey.com] Fortran compilers.
    They tell me that g77 generates slow code.
    • That what I was thinking as well. I was figuring that g77 would probably be ok for undergrads but everyone else would need a better compiler. I was looking at PGI. I was also looking at Absoft [absoft.com]. I will take a look at Lahey. So I might as well get enough license of the "good stuff" and not worry about g77.
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