def test_write_subregion_to_file(self, n_dims, in_slice, out_slice,
machine_timestep, vector_address):
# Create the region
sr = SystemRegion(n_dims=n_dims, machine_timestep=machine_timestep)
# Store the address of the shared vector in SDRAM
sr.shared_vector_address = vector_address
# Write the region to file, assert the values are sane
fp = tempfile.TemporaryFile()
sr.write_subregion_to_file(fp, in_slice=in_slice, out_slice=out_slice)
fp.seek(0)
assert struct.unpack("<6I", fp.read()) == (
machine_timestep,
n_dims,
in_slice.start,
in_slice.stop - in_slice.start,
out_slice.stop - out_slice.start,
vector_address,
)
def test_write_subregion_to_file(self, size_in, size_out, machine_timestep, transmission_delay, interpacket_pause):
# Create the region
sr = SystemRegion(
size_in=size_in,
size_out=size_out,
machine_timestep=machine_timestep,
transmission_delay=transmission_delay,
interpacket_pause=interpacket_pause,
)
# Write the region to file, assert the values are sane
fp = tempfile.TemporaryFile()
sr.write_subregion_to_file(fp, slice(None))
fp.seek(0)
assert struct.unpack("<5I", fp.read()) == (
size_in,
size_out,
machine_timestep,
transmission_delay,
interpacket_pause,
)
def test_sizeof(self):
# Create a system region, assert that the size is reported correctly.
sr = SystemRegion(size_in=5, size_out=10, machine_timestep=1000, transmission_delay=1, interpacket_pause=1)
# Should always be 5 words
assert sr.sizeof(slice(None)) == 20
def test_sizeof(self):
# Create a system region
sr = SystemRegion(n_dims=512, machine_timestep=1000)
# Should always be 6 words
assert sr.sizeof() == 6 * 4
