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Re: MPI-2.1 corrections, Batch 2 / AlltoallW



> so it's still in the current (?) Fortran standard. How do those vendors
> like Cray get by that force REAL=DOUBLE PRECISION=64 bit, like on the T3E?

Always, if you use DOUBLE PRECISION on the T3E, the compiler issues a warning
that it compiles DOUBLE PRECISION as REAL, i.e., that the compiler breaks
the Fortran standard. ;-)

Best regards
Rolf 


Dr. Rolf Rabenseifner                      High Performance Computing
Parallel Computing                         Center Stuttgart    (HLRS)
Rechenzentrum Universitaet Stuttgart (RUS) Phone:    ++49 711 6855530
Allmandring 30                             FAX:      ++49 711 6787626
D-70550 Stuttgart                   rabenseifner@rus.uni-stuttgart.de
Germany                        http://www.hlrs.de/people/rabenseifner