That is correct -- reductions with INTEGER8 are not implemented.
Sorry. :-\
But they will be in Open MPI (I already wrote the code :-) ).
On Oct 6, 2004, at 11:36 AM, Helge Avlesen wrote:
> Hi,
> with lam 7.1.1 and intel 8 compilers, I get the below behaviour.
> the example works ok with MPICH, SGI and IBM's MPI so I suspect the
> reduction of INTEGER8 is not yet implemented or buggy?
>
> Helge
>
>
>
> /avle_at_fire: > cat test_reduce_longint.f90
> implicit none
> include "mpif.h"
> integer ierr, myid, numproc
>
> integer, parameter :: long=8, n=6
> integer(long) rbuff(n),globrbuff(n)
> integer i
>
> call mpi_init(ierr)
> call mpi_comm_size(mpi_comm_world, numproc, ierr)
> call mpi_comm_rank(mpi_comm_world, myid, ierr)
>
> do i=1,n
> rbuff(i) = myid*i
> end do
>
> print *,myid,'rbuff=',rbuff
>
> call mpi_allreduce(rbuff,globrbuff,n, MPI_INTEGER8,
> mpi_sum,mpi_comm_world,ierr)
>
> if(myid==0) print *,'globrbuff=',globrbuff
>
> call mpi_finalize(ierr)
>
> end
> /avle_at_fire: > mpif77 test_reduce_longint.f90
> /avle_at_fire: > mpirun -np 4 a.out
> 0 rbuff= 0 0
> 0 0 0
> 0
> 2 rbuff= 2 4
> 6 8 10
> 12
> 3 rbuff= 3 6
> 9 12 15
> 18
> 1 rbuff= 1 2
> 3 4 5
> 6
> MPI_Allreduce: invalid operation: Invalid argument (rank 0,
> MPI_COMM_WORLD)
> Rank (0, MPI_COMM_WORLD): Call stack within LAM:
> Rank (0, MPI_COMM_WORLD): - MPI_Allreduce()
> Rank (0, MPI_COMM_WORLD): - main()
> -----------------------------------------------------------------------
> ------
> One of the processes started by mpirun has exited with a nonzero exit
> code. This typically indicates that the process finished in error.
> If your process did not finish in error, be sure to include a "return
> 0" or "exit(0)" in your C code before exiting the application.
>
> PID 30256 failed on node n0 (127.0.0.1) with exit status 1.
> -----------------------------------------------------------------------
> ------
> /avle_at_fire: > laminfo
> LAM/MPI: 7.1.1
> Prefix: /home/parallab/plab/avle/linux/lam-7.1.1
> Architecture: i686-pc-linux-gnu
> Configured by: avle
> Configured on: Wed Oct 6 14:09:12 CEST 2004
> Configure host: fire
> Memory manager: ptmalloc2
> C bindings: yes
> C++ bindings: no
> Fortran bindings: yes
> C compiler: icc
> C++ compiler: icc
> Fortran compiler: ifort
> Fortran symbols: underscore
> C profiling: no
> C++ profiling: no
> Fortran profiling: no
> C++ exceptions: no
> Thread support: yes
> ROMIO support: no
> IMPI support: no
> Debug support: no
> Purify clean: no
> SSI boot: globus (API v1.1, Module v0.6)
> SSI boot: rsh (API v1.1, Module v1.1)
> SSI boot: slurm (API v1.1, Module v1.0)
> SSI coll: lam_basic (API v1.1, Module v7.1)
> SSI coll: shmem (API v1.1, Module v1.0)
> SSI coll: smp (API v1.1, Module v1.2)
> SSI rpi: crtcp (API v1.1, Module v1.1)
> SSI rpi: lamd (API v1.0, Module v7.1)
> SSI rpi: sysv (API v1.0, Module v7.1)
> SSI rpi: tcp (API v1.0, Module v7.1)
> SSI rpi: usysv (API v1.0, Module v7.1)
> SSI cr: self (API v1.0, Module v1.0)
> /avle_at_fire: >
> /avle_at_fire: > lamnodes
> n0 localhost.localdomain:1:origin,this_node
> /avle_at_fire: >
> _______________________________________________
> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>
--
{+} Jeff Squyres
{+} jsquyres_at_[hidden]
{+} http://www.lam-mpi.org/
|
