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Programming > Fortran > Re: weird g77 a...
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Re: weird g77 and gfortran

by Thomas Koenig <tkoenig@[EMAIL PROTECTED] > May 13, 2008 at 06:24 PM

Steven G. Kargl <kargl@[EMAIL PROTECTED]
> wrote:

> PPS: With gfortran I'd suggested '-O2 -funroll-loops -march=native'
>      as the compilation options.  If you want additional speed at
>      the expense of correctness add -ffast-math.

Using -ftree-vectorize in addition to the options above might also
be worth a try.




 18 Posts in Topic:
weird g77 and gfortran
 K-9 <rick.peng.du@[EMA  2008-05-05 19:55:53 
Re: weird g77 and gfortran
 e p chandler <epc8@[EM  2008-05-05 20:26:33 
Re: weird g77 and gfortran
 Craig Powers <enigma@[  2008-05-06 13:34:32 
Re: weird g77 and gfortran
 Ingo Thies <ingo.thies  2008-05-13 14:09:52 
Re: weird g77 and gfortran
 K-9 <rick.peng.du@[EMA  2008-05-05 20:35:13 
Re: weird g77 and gfortran
 lindahl@[EMAIL PROTECTED]  2008-05-05 21:22:41 
Re: weird g77 and gfortran
 Charles Coldwell <cold  2008-05-07 03:10:21 
Re: weird g77 and gfortran
 Catherine Rees Lay <ca  2008-05-07 09:47:42 
Re: weird g77 and gfortran
 kargl@[EMAIL PROTECTED]   2008-05-06 17:38:15 
Re: weird g77 and gfortran
 stevenb.gcc@[EMAIL PROTEC  2008-05-13 05:50:59 
Re: weird g77 and gfortran
 Ingo Thies <ingo.thies  2008-05-13 16:16:31 
Re: weird g77 and gfortran
 lindahl@[EMAIL PROTECTED]  2008-05-13 11:55:07 
Re: weird g77 and gfortran
 kargl@[EMAIL PROTECTED]   2008-05-13 14:36:29 
Re: weird g77 and gfortran
 Thomas Koenig <tkoenig  2008-05-13 18:24:21 
Re: weird g77 and gfortran
 Ingo Thies <ingo.thies  2008-05-14 14:37:54 
Re: weird g77 and gfortran
 Thomas Koenig <tkoenig  2008-05-15 16:48:20 
Re: weird g77 and gfortran
 Ingo Thies <ingo.thies  2008-05-16 10:20:17 
Re: weird g77 and gfortran
 stevenb.gcc@[EMAIL PROTEC  2008-05-16 15:57:03 

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tan12V112 Sat Aug 30 8:19:22 CDT 2008.