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@@ -487,18 +487,24 @@ execute them, or to send the required data).
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@node MPI Collective Operations
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@node MPI Collective Operations
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@section MPI Collective Operations
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@section MPI Collective Operations
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-@deftypefun int starpu_mpi_scatter_detached (starpu_data_handle_t *@var{data_handles}, int @var{count}, int @var{root}, MPI_Comm @var{comm})
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+@deftypefun int starpu_mpi_scatter_detached (starpu_data_handle_t *@var{data_handles}, int @var{count}, int @var{root}, MPI_Comm @var{comm}, {void (*}@var{scallback})(void *), {void *}@var{sarg}, {void (*}@var{rcallback})(void *), {void *}@var{rarg})
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Scatter data among processes of the communicator based on the ownership of
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Scatter data among processes of the communicator based on the ownership of
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the data. For each data of the array @var{data_handles}, the
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the data. For each data of the array @var{data_handles}, the
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process @var{root} sends the data to the process owning this data.
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process @var{root} sends the data to the process owning this data.
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Processes receiving data must have valid data handles to receive them.
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Processes receiving data must have valid data handles to receive them.
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+On completion of the collective communication, the @var{scallback} function is
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+called with the argument @var{sarg} on the process @var{root}, the @var{rcallback} function is
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+called with the argument @var{rarg} on any other process.
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@end deftypefun
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@end deftypefun
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-@deftypefun int starpu_mpi_gather_detached (starpu_data_handle_t *@var{data_handles}, int @var{count}, int @var{root}, MPI_Comm @var{comm})
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+@deftypefun int starpu_mpi_gather_detached (starpu_data_handle_t *@var{data_handles}, int @var{count}, int @var{root}, MPI_Comm @var{comm}, {void (*}@var{scallback})(void *), {void *}@var{sarg}, {void (*}@var{rcallback})(void *), {void *}@var{rarg})
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Gather data from the different processes of the communicator onto the
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Gather data from the different processes of the communicator onto the
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process @var{root}. Each process owning data handle in the array
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process @var{root}. Each process owning data handle in the array
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@var{data_handles} will send them to the process @var{root}. The
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@var{data_handles} will send them to the process @var{root}. The
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process @var{root} must have valid data handles to receive the data.
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process @var{root} must have valid data handles to receive the data.
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+On completion of the collective communication, the @var{rcallback} function is
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+called with the argument @var{rarg} on the process @var{root}, the @var{scallback} function is
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+called with the argument @var{sarg} on any other process.
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@end deftypefun
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@end deftypefun
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@page
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@page
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Nathalie Furmento