def initialize_fv3core(backend: str, disable_halo_exchange: bool) -> None:
"""
Initializes globalfv3core config to the arguments for single runs
with the given backend and choice of halo updates
"""
fv3core.set_backend(backend)
fv3core.set_rebuild(False)
fv3core.set_validate_args(False)
def pytest_generate_tests(metafunc):
backend = metafunc.config.getoption("backend")
fv3core.set_backend(backend)
if MPI is not None and MPI.COMM_WORLD.Get_size() > 1:
if metafunc.function.__name__ == "test_parallel_savepoint":
generate_parallel_stencil_tests(metafunc)
else:
if metafunc.function.__name__ == "test_sequential_savepoint":
generate_sequential_stencil_tests(metafunc)
if metafunc.function.__name__ == "test_mock_parallel_savepoint":
generate_mock_parallel_stencil_tests(metafunc)
dims=[quantity.dims[0]]),
origin=[quantity.origin[0]],
extent=[quantity.extent[0]],
)
return_state[field] = quantity_1d
return return_state
if __name__ == "__main__":
# read in the namelist
spec.set_namelist("input.nml")
dt_atmos = spec.namelist.dt_atmos
# set backend
fv3core.set_backend("numpy")
# get another namelist for the communicator??
nml2 = yaml.safe_load(
open("/fv3core/examples/wrapped/config/c12_6ranks_standard.yml",
"r"))["namelist"]
sizer = SubtileGridSizer.from_namelist(nml2)
allocator = QuantityFactory.from_backend(sizer, fv3core.get_backend())
# MPI stuff
comm = mpi4py.MPI.COMM_WORLD
rank = comm.Get_rank()
cube_comm = CubedSphereCommunicator(
comm, CubedSpherePartitioner.from_namelist(nml2))
if __name__ == "__main__":
timer = util.Timer()
timer.start("total")
with timer.clock("initialization"):
args = parse_args()
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
profiler = None
if args.profile:
import cProfile
profiler = cProfile.Profile()
profiler.disable()
fv3core.set_backend(args.backend)
fv3core.set_rebuild(False)
fv3core.set_validate_args(False)
spec.set_namelist(args.data_dir + "/input.nml")
experiment_name = os.path.basename(os.path.normpath(args.data_dir))
# set up of helper structures
serializer = serialbox.Serializer(
serialbox.OpenModeKind.Read,
args.data_dir,
"Generator_rank" + str(rank),
)
if args.disable_halo_exchange:
mpi_comm = NullComm(MPI.COMM_WORLD.Get_rank(),
def test_set_backend():
start_backend = fv3core.get_backend()
new_backend = "new_backend"
assert new_backend != start_backend
fv3core.set_backend(new_backend)
assert fv3core.get_backend() == new_backend
def backend(pytestconfig):
backend = pytestconfig.getoption("backend")
fv3core.set_backend(backend)
return backend