Jeff Squyres wrote:
> This is quite odd; due to changes we made in the 7.1 command line
> parsing stuff, we've seen it grab additional flags that it wasn't
> supposed to, but I haven't seen it grab *half* a command line argument
> before.
>
> Can you send your config.log file? (please compress) There should be
> some details in there that could help shed some light on this problem.
>
> Also, can you give the latest 7.1.2 beta a whirl
> (http://www.lam-mpi.org/beta/)? We've made a few changes in the
> command line parsing code in it.
>
The bug is still there ; I enclose the corresponding config.log.
Best.
Pierre.
> Thanks!
>
>
> On Nov 24, 2004, at 11:32 AM, Pierre Valiron wrote:
>
>> Hi all,
>>
>> I have just bought a v20z bi-opteron from Sun and I am testing the
>> first pre-release of Solaris 10 with 64 bit support on the Opteron.
>>
>> I installed the lam-7.1.1 using the native Sun compilers and 64 bit
>> flags.
>>
>> setenv CC cc
>> setenv CXX CC
>> setenv FC f95
>>
>> setenv CFLAGS "-O -xtarget=opteron -xarch=amd64"
>> setenv CXXFLAGS "-O -xtarget=opteron -xarch=amd64"
>> setenv FFLAGS "-O -xtarget=opteron -xarch=amd64"
>>
>> setenv LDFLAGS "-xtarget=opteron -xarch=amd64"
>> setenv CXXLDFLAGS "-xtarget=opteron -xarch=amd64"
>>
>> Configure and make run like a charm.
>> Then mpicc or mpif77 invoke the compiler just fine:
>>
>> valiron_at_h5 ~/mul > mpicc -xtarget=opteron -xarch=amd64 -c timing.c
>> -showme
>> cc -I/usr/local/include -mt -xtarget=opteron -xarch=amd64 -c timing.c
>>
>> valiron_at_h5 ~/mul > mpif77 -xtarget=opteron -xarch=amd64 -c xerbla.f
>> -showme
>> f95 -I/usr/local/include -xtarget=opteron -xarch=amd64 -c xerbla.f
>>
>>
>>
>> However the compilation step add an erroneous '-xtarget' option which
>> is rejected as a fatal error by the cc and f95 compilers:
>>
>> valiron_at_h5 ~/mul > mpicc -xtarget=opteron -xarch=amd64 timing.c -showme
>> cc -I/usr/local/include -mt -xtarget=opteron -xarch=amd64 timing.c
>> -xtarget -lthread -L/usr/local/lib -llammpio -llamf77mpi -lmpi -llam
>> -laio -laio -lsocket -lnsl -lthread -lthread -ldl
>>
>> valiron_at_h5 ~/mul > mpif77 xerbla.f -showme
>> f95 -I/usr/local/include -xtarget=opteron -xarch=amd64 xerbla.f
>> -xtarget -lthread -L/usr/local/lib -llammpio -llamf77mpi -lmpi -llam
>> -laio -laio -lsocket -lnsl -lthread -lthread -ldl
>>
>> Did I made any mistake ? Is there any simple patch to fix this
>> problem ?
>>
>>
>>
>> Fortunately I can still link by pasting "by hand" the correct link
>> options and exercise the library.
>> The resulting LAM/MPI seems quite good on the biprocessor.
>>
>> - MPI_Alltoall latency is about 7 microseconds
>>
>> - Typical all2all throughput is over 500 MB/s, and peaks to about 800
>> MB/s for 64k buffers.
>>
>> Pierre.
>>
>> --
>> Soutenez le mouvement SAUVONS LA RECHERCHE :
>> http://recherche-en-danger.apinc.org/
>>
>> _/_/_/_/ _/ _/ Dr. Pierre VALIRON
>> _/ _/ _/ _/ Laboratoire d'Astrophysique
>> _/ _/ _/ _/ Observatoire de Grenoble / UJF
>> _/_/_/_/ _/ _/ BP 53 F-38041 Grenoble Cedex 9 (France)
>> _/ _/ _/ http://www-laog.obs.ujf-grenoble.fr
>> _/ _/ _/ mail: Pierre.Valiron_at_[hidden]
>> _/ _/ _/ Phone: +33 4 7651 4787 Fax: +33 4 7644 8821
>> _/ _/_/
>>
>> _______________________________________________
>> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>>
>
--
Soutenez le mouvement SAUVONS LA RECHERCHE :
http://recherche-en-danger.apinc.org/
_/_/_/_/ _/ _/ Dr. Pierre VALIRON
_/ _/ _/ _/ Laboratoire d'Astrophysique
_/ _/ _/ _/ Observatoire de Grenoble / UJF
_/_/_/_/ _/ _/ BP 53 F-38041 Grenoble Cedex 9 (France)
_/ _/ _/ http://www-laog.obs.ujf-grenoble.fr
_/ _/ _/ mail: Pierre.Valiron_at_[hidden]
_/ _/ _/ Phone: +33 4 7651 4787 Fax: +33 4 7644 8821
_/ _/_/
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