One other thing I forgot to post in the other message. PDGESV return code
of 8 is an error, it should be 0 on a successful solve. You should have a
look at that.
Damien
> i m trying to run an exmple code of scalapack for testing..but i m getting
> the error .....
>
> the configuration of Pc is 3.6 GHz, 2GB RAM fedora-3 kernal 2.6.9-1.667smp
> each.....
>
> for compilation of the code as
>
> mpif77 example.f \
> /usr/local/include/libscalapack.a \
> /usr/local/include/blacsF77init_MPI-LINUX-0.a \
> /usr/local/include/blacs_MPI-LINUX-0.a \
> /usr/local/include/blacsF77init_MPI-LINUX-0.a \
> /usr/local/include/blas_LINUX.a
>
> after this i have given the command for run like
> mpirun N a.out
> where N=4
> the result comes out to be
>
> ScaLAPACK Example Program #1 -- May 1, 1997
>
> Solving Ax=b where A is a 9 by 9 matrix with a block size of 2
> Running on 4 processes, where the process grid is 2 by 2
>
> INFO code returned by PDGESV = 8
>
> According to the normalized residual the solution is incorrect.
>
> ||A*x - b|| / ( ||x||*||A||*eps*N ) = 4.64139092E+14
>
>
> what are the reasons for the solution to be incorrect....that is not
> empasised with the example code....as i m new with this parallelization
> options...please help me out of this....
> tia
> ravi
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