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mpix: add MPIX_Query_pointer_attr #7049

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mpix: add MPIX_Query_pointer_attr #7049

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Commits on Jul 9, 2024

  1. mpl/gpu: change MPL_gpu_device_handle_t to int 

    The abstraction of device id as an integer is a good abstraction above
MPL. The opaqueness of MPL_gpu_device_handle_t, on the other hand, makes
it useless, since the upperlayer can't do anything with it.

For ZE, simply expose the internal device id. For new GPU runtimes that
does support integer device ids, we can similarly do a map as in
mpl_gpu_ze.c.
    @hzhou
    hzhou committed Jul 9, 2024
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  2. mpix: add MPIX_Query_pointer_attr 

    It is not always easy to check what kind of memory type user has as seen
by MPI. For example, a memory from a Python library. Add
MPIX_Query_pointer_attr for the debugging purpose.
    @hzhou
    hzhou committed Jul 9, 2024
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