[Mpi-forum] MPI user survey

Rajeev Thakur thakur at mcs.anl.gov
Sat Nov 14 19:00:54 CST 2009

> x. Which of the following best describes you?
>     - User of MPI applications
>     - MPI application developer
>     - MPI implementer
>     - Academic educator, student, or researcher
>     - Program / project management
>     - Other ________________

Do you want to include library writers?

> x. My MPI application would benefit from being able to reference more
>     than 2^31 data items in a single MPI function invocation.
>      Strongly agree/1 ....... Strongly disagree/5
>      Open comment: _________________________

Perhaps the average person would more easily understand the following
although it is not precise and doesn't cover I/O: "My MPI application
would benefit from being able to send/receive more than 2 GB of data
with a single MPI call". We will know if people want to communicate data
that large. Whether they could construct a contiguous type and do it
today is a different story.

> x. The following are a list of topics that the MPI Forum is
>     considering for MPI-3.  Rank them in order of importance to your
>     MPI applications:

For the average person, for greater clarity, we could add "(1 = most


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