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@@ -1,3 +1,5 @@
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+@c -*-texinfo-*-
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+
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@c This file is part of the StarPU Handbook.
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@c Copyright (C) 2009--2011 Universit@'e de Bordeaux 1
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@c Copyright (C) 2010, 2011 Centre National de la Recherche Scientifique
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@@ -206,6 +208,14 @@ data. All MPI nodes then process the whole task graph, and StarPU automatically
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determines which node actually execute which task, as well as the required MPI
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transfers.
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+@deftypefun int starpu_data_set_tag (starpu_data_handle @var{handle}, int @var{tag})
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+Tell StarPU-MPI which MPI tag to use when exchanging the data.
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+@end deftypefun
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+
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+@deftypefun int starpu_data_get_tag(starpu_data_handle @var{handle})
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+Returns the MPI tag to be used when exchanging the data.
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+@end deftypefun
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+
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@deftypefun int starpu_data_set_rank (starpu_data_handle @var{handle}, int @var{mpi_rank})
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Tell StarPU-MPI which MPI node "owns" a given data, that is, the node which will
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always keep an up-to-date value, and will by default execute tasks which write
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@@ -250,10 +260,9 @@ data twice to the same MPI node, unless the data has been modified.
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@end deftypefun
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@deftypefun void starpu_mpi_get_data_on_node (MPI_Comm @var{comm}, starpu_data_handle @var{data_handle}, int @var{node})
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+todo
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@end deftypefun
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-@page
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-
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Here an stencil example showing how to use @code{starpu_mpi_insert_task}. One
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first needs to define a distribution function which specifies the
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locality of the data. Note that that distribution information needs to
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Nathalie Furmento