Re: [bgl-discuss] xlc/xlf versions of mpicc/mpif77 etc?

[Anthony Chan <chan@xxxxxxxxxxx>]

>From an enduser point of view, it is very desirable to have the some
kind of mp* scripts working with current xlc/xlf and available on user's
PATH, saving us from cooking our own mpicc/mpif77 scripts.
blrts_xlc/blrts_xlf are cumbersome to use in a MPI development
environment.  Hope IBM's future compiler release can address the issue.

A.Chan

On Wed, 11 May 2005, Susan Coghlan wrote:

>
> No, users do not run vac_configure.  IBM changed where the config
> files were located from one version of the bgl compilers to another.  It
> sounds like the Katherine's scripts except the stuff in the old location.
>
> On Wed, 11 May 2005, Anthony Chan wrote:
>
> >
> > Just tried to compile a simple mpi programs with ~riley/bin/mpxlc
> >
> > mpe_work/build_ibm> ~riley/bin/mpxlc test_mpi.c
> > /opt/ibmcmp/vac/7.0/bin/xlc: 1501-238 configuration file
> > /etc/opt/ibmcmp/blrts.cfg does not exist
> > /opt/ibmcmp/vac/7.0/bin/xlc: 1501-270 You may use the vac_configure tool
> > to create a configuration file.
> >
> > Is user supposed to use vac_configure to configure the compilers ?
> >
> > A.Chan
> >
> > On Wed, 11 May 2005, Katherine M Riley wrote:
> >
> > >
> > > these are IBMs modified scripts.  Bob gave them for free distribution
> > > at the apps workshop.
> > >
> > > -katherine
> > >
> > > On May 11, 2005, at 11:17 AM, Anthony Chan wrote:
> > >
> > > >
> > > > Hi Katherine,
> > > >
> > > > Since all the ~riley/bin/mp* compiler wrappers have IBM's copyright
> > > > statements, I wonder if the compiler wrappers are provided by IBM or
> > > > you
> > > > modified from AIX's mp* scripts to be used in BG/L ?
> > > >
> > > > A.Chan
> > > >
> > > > On Wed, 11 May 2005, Katherine M Riley wrote:
> > > >
> > > >>
> > > >> And we also has a suite of mp* compile scripts in ~riley/bin.
> > > >>
> > > >> -katherine
> > > >>
> > > >> On May 11, 2005, at 10:14 AM, William Gropp wrote:
> > > >>
> > > >>> At 09:58 AM 5/11/2005, Andrew Siegel wrote:
> > > >>>> Agreed. We will make that wiki section(link info is there actually)
> > > >>>> more
> > > >>>> prominent, and one of us will write an mpicc/mpif77 etc script.
> > > >>>
> > > >>> I can update the scripts (the MPICH2 scripts that IBM distributes
> > > >>> have
> > > >>> all of the necessary features, or if they don't, we should update
> > > >>> them
> > > >>> in MPICH2 and get IBM to distribute them).  In fact, all that is
> > > >>> needed is to add some files to the etc directory (to enable the
> > > >>> environment variable/-conf argument method for switching between the
> > > >>> compilers) (other than fixing the -g -O2 in the current scripts).  In
> > > >>> fact, additional configurations can be defined that enable
> > > >>> recommended
> > > >>> optimization options with something like SETENV MPICH_F77 xlf-opt, as
> > > >>> long as there is an mpif77-xlf-opt.conf file in the etc directory.
> > > >>>
> > > >>> Bill
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>> -----Original Message-----
> > > >>>> From: William Gropp [mailto:gropp@xxxxxxxxxxx]
> > > >>>> Sent: Wednesday, May 11, 2005 9:54 AM
> > > >>>> To: Andrew Siegel
> > > >>>> Cc: discuss@xxxxxxxxxxxxxxx
> > > >>>> Subject: RE: [bgl-discuss] xlc/xlf versions of mpicc/mpif77 etc?
> > > >>>>
> > > >>>> At 09:38 AM 5/11/2005, Andrew Siegel wrote:
> > > >>>>> I think we all just invoke the compilers directly and include/link
> > > >>>>> explicitly (would be nice to have a wrapper though). Did you want a
> > > >>>> sample
> > > >>>>> makefile, or were you just curious if there was an alternative ...
> > > >>>>
> > > >>>> I'm surprised that invoking the compiler directly is acceptable; the
> > > >>>> extra
> > > >>>> link information is awkward to type and error-prone.  I'm trying to
> > > >>>> understand why the mpicc/mpif77/etc. scripts are not used.  (It is
> > > >>>> not easy
> > > >>>> to find the correct info for compiling and linking files on BG/L;
> > > >>>> there's
> > > >>>> no obvious link on the BGL web pages, for example.)  For my codes, I
> > > >>>> expect
> > > >>>> the process to be
> > > >>>>
> > > >>>> set
> > > >>>>
> > > >>>> MPICC = path-to-mpicc
> > > >>>> MPIF77 = path-to-mpif77
> > > >>>>
> > > >>>> in my Makefile, followed by
> > > >>>>
> > > >>>> make
> > > >>>>
> > > >>>> followed by (in many cases a script that executes more than one job)
> > > >>>>
> > > >>>> mpirun or mpiexec
> > > >>>>
> > > >>>> followed by a step that gathers the results of the run.  Before the
> > > >>>> update,
> > > >>>> this was all that I needed to do to successfully use either the Gnu
> > > >>>> or XL
> > > >>>> compilers.  This seems simple to me, but if there is an easier way,
> > > >>>> I'd
> > > >>>> like to use it.  Surely you don't all remember that long link line
> > > >>>> with the
> > > >>>> various exports etc?  My memory isn't that good anymore :(
> > > >>>>
> > > >>>> Bill
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>> -----Original Message-----
> > > >>>>> From: owner-discuss@xxxxxxxxxxxxxxx
> > > >>>> [mailto:owner-discuss@xxxxxxxxxxxxxxx]
> > > >>>>> On Behalf Of William Gropp
> > > >>>>> Sent: Wednesday, May 11, 2005 9:31 AM
> > > >>>>> To: discuss@xxxxxxxxxxxxxxx
> > > >>>>> Subject: [bgl-discuss] xlc/xlf versions of mpicc/mpif77 etc?
> > > >>>>>
> > > >>>>> I had set things up so that
> > > >>>>>
> > > >>>>> setenv MPICH_F77 xlf
> > > >>>>> mpif77 ...
> > > >>>>>
> > > >>>>> would get you the xlf version of mpif77 (with the correct libraries
> > > >>>> and
> > > >>>>> options), and similarly for the C, F90, and C++ compilers. This
> > > >>>>> also
> > > >>>> worked
> > > >>>>> with mpif77 -conf=xlf ... .  I find this particularly convenient
> > > >>>> because it
> > > >>>>> makes it easy to use existing makefiles and switch between the
> > > >>>>> compilers.  With the compiler upgrade, these have vanished.  What
> > > >>>>> do
> > > >>>> people
> > > >>>>> to to use the xl compilers now?
> > > >>>>>
> > > >>>>> I also noted that the mpicc script sets the compiler flags -g -O2,
> > > >>>> which it
> > > >>>>> should not do (IBM needs to fix this in the distributions).
> > > >>>>>
> > > >>>>> Bill
> > > >>>>>
> > > >>>>> William Gropp
> > > >>>>> http://www.mcs.anl.gov/~gropp
> > > >>>>>
> > > >>>>> -
> > > >>>> --------------------------------------------------------------------
> > > >>>>> To add or remove yourself from this mailing list, use the
> > > >>>>> 'notifyme'
> > > >>>>> command on any BGL machine. To remove: notifyme -n, to add:
> > > >>>>> notifyme
> > > >>>> -y.
> > > >>>>
> > > >>>> William Gropp
> > > >>>> http://www.mcs.anl.gov/~gropp
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>> -
> > > >>>> --------------------------------------------------------------------
> > > >>>> To add or remove yourself from this mailing list, use the 'notifyme'
> > > >>>> command on any BGL machine. To remove: notifyme -n, to add: notifyme
> > > >>>> -y.
> > > >>>
> > > >>> William Gropp
> > > >>> http://www.mcs.anl.gov/~gropp
> > > >>> -
> > > >>> --------------------------------------------------------------------
> > > >>> To add or remove yourself from this mailing list, use the 'notifyme'
> > > >>> command on any BGL machine. To remove: notifyme -n, to add: notifyme
> > > >>> -y.
> > > >>>
> > > >> ------------------------------------------------------------------
> > > >>
> > > >> Katherine M Riley
> > > >> Argonne National Lab
> > > >> Ph   : (630) 252-5786
> > > >> Cell : (773) 351-6042
> > > >>
> > > >> - --------------------------------------------------------------------
> > > >> To add or remove yourself from this mailing list, use the 'notifyme'
> > > >> command on any BGL machine. To remove: notifyme -n, to add: notifyme
> > > >> -y.
> > > >>
> > > >>
> > > >>
> > > ------------------------------------------------------------------
> > >
> > > Katherine M Riley
> > > Argonne National Lab
> > > Ph   : (630) 252-5786
> > > Cell : (773) 351-6042
> > >
> > >
> >
> > - --------------------------------------------------------------------
> > To add or remove yourself from this mailing list, use the 'notifyme'
> > command on any BGL machine. To remove: notifyme -n, to add: notifyme -y.
> >
> >
>
>

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