08-14-2013
Hi Maverick,
We could have checked so many areas including bit size, endianness, etc. But it is quite surprising that the program runs fine in linux env few times and suddenly throws error intermittently. we are trying to use "VALGRIND" tool now. If you have any other leads, keep me posted.
Thanks
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LEARN ABOUT DEBIAN
mpi_sizeof
MPI_Sizeof(3) Open MPI MPI_Sizeof(3)
NAME
MPI_Sizeof - Returns the size, in bytes, of the given type
SYNTAX
Fortran Syntax
INCLUDE 'mpif.h'
MPI_SIZEOF(X, SIZE, IERROR)
<type> X
INTEGER SIZE, IERROR
INPUT PARAMETER
X A Fortran variable of numeric intrinsic type (choice).
OUTPUT PARAMETERS
SIZE Size of machine representation of that type (integer).
IERROR Error status (integer).
DESCRIPTION
MPI_SIZEOF returns the size (in bytes) of the machine representation of the given variable. It is a generic Fortran type and has a Fortran
binding only. This routine is similar to the sizeof builtin in C/C++. However, if given an array argument, it returns the size of the base
element, not the size of the whole array.
NOTES
This function is not available in C/C++ because it is not necessary.
ERRORS
Almost all MPI routines return an error value; C routines as the value of the function and Fortran routines in the last argument. C++ func-
tions do not return errors. If the default error handler is set to MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism
will be used to throw an MPI:Exception object.
Before the error value is returned, the current MPI error handler is called. By default, this error handler aborts the MPI job, except for
I/O function errors. The error handler may be changed with MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN may be
used to cause error values to be returned. Note that MPI does not guarantee that an MPI program can continue past an error.
See the MPI man page for a full list of MPI error codes.
1.4.5 Feb 10, 2012 MPI_Sizeof(3)