Re: [Rd] R 2.1.1 slated for June 20

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Wed 15 Jun 2005 - 06:51:21 GMT

Our preference is F77 compilers over F9x ones, as the lists Simon showed reflects - we decided to prefer F95 to F90 in future, though.

My experience is that g77 from gcc-3.4.x is preferable to gfortran. As I said earlier, once gcc-4.0.1 is released (and so R builds with a released version of gcc-4.x.y - 4.0.0 needs worarounds) I will take a another look. So far, using gcc-3.4.4 is both faster and more accurate that gcc-4.0.0. There are a few instances in which loess gives rather different results with gfortran, but they are only visible by diffing postscript files.

I will look into converting blas.f to F77 (but not for this release).

On Tue, 14 Jun 2005, Marc Schwartz wrote:

> On Tue, 2005-06-14 at 22:42 -0400, Simon Urbanek wrote:
>> On Jun 14, 2005, at 6:16 PM, Marc Schwartz wrote:
>>
>>> Interesting. Did you do anything different on the ./configure line?
>>>
>>> $ ls -l /usr/bin/f95
>>> lrwxrwxrwx 1 root root 8 Jun 13 21:18 /usr/bin/f95 -> gfortran
>>>
>>> I just tried it again (having installed some FC updates) and I
>>> still get g77...
>>
>> g77 is probed before f95, so if you have both, g77 is picked unless
>> you set F77 explicitly. The exact probe sequence is:
>>
>> g77 f77 xlf frt pgf77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 f95
>> fort xlf95 ifc efc pgf95 lf95 gfortran (R 2.1.1 beta)
>> g77 fort77 f77 xlf frt pgf77 cf77 fl32 af77 f95 fort xlf95 ifort ifc
>> efc pgf95 lf95 gfortran ftn g95 f90 xlf90 pgf90 pghpf epcf90 fc (R-
>> devel)
>>
>> I guess Peter simply didn't install g77.
>>
>> Cheers,
>> Simon
>
> Simon,
>
> Thanks for that. When I installed FC4, I used the option to install
> "Everything", which is what I have done with each prior release going
> back to RH 8.0. Of course with many things being moved to Extras,
> "Everything" is now a shadow of it's former meaning.
>
> It is noted that "Everything" includes RPMS that are not explicitly
> listed in other pre-defined groups for installation.
>
> In reviewing the Add/Remove Application GUI, gfortran is listed as an
> "Extra Package" in the Development Tools Group.
>
> g77 is not listed in that Group or in the Legacy Development Group, so
> it would appear that it is a "silent" part of the "Everything"
> installation procedure.
>
> Removing the offending RPM:
>
> rpm -e compat-gcc-32-g77-3.2.3-47.fc4
>
> I now get:
>
> C compiler: gcc -g -O2
> C++ compiler: g++ -g -O2
> Fortran compiler: f95 -g -O2
>
>
> I re-compiled and did note the warning messages that I believe Peter
> referred to:
>
> f95 -g -O2 -c blas.f -o blas.o
> In file blas.f:1561
>
> GO TO IGO,(120,150,180,210)
> 1
> Warning: Obsolete: Assigned GOTO statement at (1)
> In file blas.f:1567
>
> ASSIGN 120 TO IGO
> 1
> Warning: Obsolete: ASSIGN statement at (1)
> In file blas.f:1579
>
> ASSIGN 150 TO IGO
> 1
> Warning: Obsolete: ASSIGN statement at (1)
> In file blas.f:1592
>
> ASSIGN 180 TO IGO
> 1
> Warning: Obsolete: ASSIGN statement at (1)
> In file blas.f:1603
>
> ASSIGN 210 TO IGO
> 1
> Warning: Obsolete: ASSIGN statement at (1)
>
>
>
> make check-all passes with no errors, so no change there.
>
>
> Regards,
>
> Marc
>
>
>

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Wed Jun 15 16:53:33 2005

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