It happily supports multiple compilers on the same system, but not in the way you mean. You need another installation of OMPI (in, say, /usr/lib64/mpi/intel) for icc/ifort.
Select by path manipulation. On Mon, 2008-10-20 at 08:19 +0800, Wen Hao Wang wrote: > Hi all: > > I have openmpi 1.2.5 installed on SLES10 SP2. These packages should be > compiled with gcc compilers. Now I have installed Intel C++ and > Fortran compilers on my cluster. Can openmpi use Intel compilers > withour recompiling? > > I tried to use environment variable to indicate Intel compiler, but it > seems the mpi commands still wanted to use gcc ones. > LS21-08:/opt/intel/fce/10.1.018/bin # mpif77 --showme > gfortran -I/usr/lib64/mpi/gcc/openmpi/include -pthread > -L/usr/lib64/mpi/gcc/openmpi/lib64 -lmpi_f77 -lmpi -lopen-rte > -lopen-pal -ldl -Wl,--export-dynamic -lnsl -lutil -lm -ldl > LS21-08:/opt/intel/fce/10.1.018/bin # export > F77=/opt/intel/fce/10.1.018/bin/ifort > LS21-08:/opt/intel/fce/10.1.018/bin # rpm -e > gcc-fortran-4.1.2_20070115-0.21 > LS21-08:/opt/intel/fce/10.1.018/bin # mpif77 /LTC/matmul-for-intel.f > -------------------------------------------------------------------------- > The Open MPI wrapper compiler was unable to find the specified > compiler > gfortran in your PATH. > > Note that this compiler was either specified at configure time or in > one of several possible environment variables. > > -------------------------------------------------------------------------- > > Is it possible to change openmpi's underlying compiler? Thus I can use > multiple compilers on one machine. > > Thanks in advance! > > Steven Wang > Email: wangw...@cn.ibm.com > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
