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add MPICupyArrayContext #328

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add MPICupyArrayContext #328

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925ce61
add MPICupyArrayContext
matthiasdiener Feb 16, 2024
131da45
Merge branch 'main' into cupyactx-mpi
matthiasdiener Sep 6, 2024
0e18e89
Merge branch 'main' into cupyactx-mpi
matthiasdiener Nov 14, 2024
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23 changes: 23 additions & 0 deletions grudge/array_context.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
.. autoclass:: MPIBasedArrayContext
.. autoclass:: MPIPyOpenCLArrayContext
.. autoclass:: MPINumpyArrayContext
.. autoclass:: MPICupyArrayContext
.. class:: MPIPytatoArrayContext
.. autofunction:: get_reasonable_array_context_class
"""
Expand Down Expand Up @@ -104,6 +105,8 @@
)


from arraycontext import CupyArrayContext

if TYPE_CHECKING:
import pytato as pt
from mpi4py import MPI
Expand Down Expand Up @@ -426,6 +429,26 @@ def clone(self):
# }}}


# {{{

class MPICupyArrayContext(CupyArrayContext, MPIBasedArrayContext):
"""An array context for using distributed computation with :mod:`cupy`
eager evaluation.

.. autofunction:: __init__
"""

def __init__(self, mpi_communicator):
super().__init__()

self.mpi_communicator = mpi_communicator

def clone(self):
return type(self)(self.mpi_communicator)

# }}}


# {{{ distributed + pyopencl

class MPIPyOpenCLArrayContext(PyOpenCLArrayContext, MPIBasedArrayContext):
Expand Down
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