(j3.2006) [MPI3 Fortran] Feedback from Fortran J3 meeting

Bill Long longb
Wed May 28 17:42:00 EDT 2008



Jim Xia wrote:
>
>   For Craig's MPI_Wait that doesn't refer to buf, it's tough to 
> prevent code motion that can move "buf(1) = 1" around.
>
At least with our compiler, giving buf either the volatile or 
asynchronous attribute will prevent code motion across a call to an 
external procedure.

Cheers,
Bill



-- 
Bill Long                                   longb at cray.com
Fortran Technical Support    &              voice: 651-605-9024
Bioinformatics Software Development         fax:   651-605-9142
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