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Update for context fetching api. #3

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Update for context fetching api. #3

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40 changes: 19 additions & 21 deletions combustor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,13 +39,6 @@
from pytools.obj_array import make_obj_array
from functools import partial


from meshmode.array_context import (
PyOpenCLArrayContext,
SingleGridWorkBalancingPytatoArrayContext as PytatoPyOpenCLArrayContext
#PytatoPyOpenCLArrayContext
)
from mirgecom.profiling import PyOpenCLProfilingArrayContext
from arraycontext import thaw, freeze, flatten, unflatten, to_numpy, from_numpy
from meshmode.mesh import BTAG_ALL, BTAG_NONE # noqa
from grudge.eager import EagerDGDiscretization
Expand Down Expand Up @@ -798,8 +791,11 @@ def __call__(self, x_vec, *, eos, **kwargs):
@mpi_entry_point
def main(ctx_factory=cl.create_some_context, restart_filename=None,
use_profiling=False, use_logmgr=True, user_input_file=None,
actx_class=PyOpenCLArrayContext, casename=None):
actx_class=None, casename=None, lazy=False):
"""Drive the Y0 example."""
if actx_class is None:
raise RuntimeError("Array context class missing.")

cl_ctx = ctx_factory()

from mpi4py import MPI
Expand All @@ -824,13 +820,18 @@ def main(ctx_factory=cl.create_some_context, restart_filename=None,
queue = cl.CommandQueue(cl_ctx)

# main array context for the simulation
actx = actx_class(
queue,
allocator=cl_tools.MemoryPool(cl_tools.ImmediateAllocator(queue)))
if lazy:
actx = actx_class(comm, queue, mpi_base_tag=12000)
else:
actx = actx_class(comm, queue,
allocator=cl_tools.MemoryPool(cl_tools.ImmediateAllocator(queue)),
force_device_scalars=True)

# an array context for things that just can't lazy
init_actx = PyOpenCLArrayContext(queue,
allocator=cl_tools.MemoryPool(cl_tools.ImmediateAllocator(queue)))
from meshmode.array_context import PyOpenCLArrayContext
init_actx = \
PyOpenCLArrayContext(
queue, allocator=cl_tools.MemoryPool(cl_tools.ImmediateAllocator(queue)))

# default i/o junk frequencies
nviz = 500
Expand Down Expand Up @@ -1846,16 +1847,13 @@ def my_rhs(t, state):
casename = args.casename.replace("'", "")
else:
print(f"Default casename {casename}")

lazy = args.lazy
if args.profile:
if args.lazy:
if lazy:
raise ValueError("Can't use lazy and profiling together.")
actx_class = PyOpenCLProfilingArrayContext
else:
if args.lazy:
actx_class = PytatoPyOpenCLArrayContext
else:
actx_class = PyOpenCLArrayContext

from grudge.array_context import get_reasonable_array_context_class
actx_class = get_reasonable_array_context_class(lazy=lazy, distributed=True)

restart_filename = None
if args.restart_file:
Expand Down