b = torch.empty(5, 5, device='msnpu')
self.assertEqual(msnpu_extension.get_test_int(), 0)
c = a + b
self.assertEqual(msnpu_extension.get_test_int(), 1)
def test_conv_backend_override(self):
# To simplify tests, we use 4d input here to avoid doing view4d( which
# needs more overrides) in _convolution.
input = torch.empty(2, 4, 10, 2, device='msnpu', requires_grad=True)
weight = torch.empty(6, 4, 2, 2, device='msnpu', requires_grad=True)
bias = torch.empty(6, device='msnpu')
# Make sure forward is overriden
out = torch.nn.functional.conv1d(input, weight, bias, 2, 0, 1, 1)
self.assertEqual(msnpu_extension.get_test_int(), 2)
self.assertEqual(out.shape[0], input.shape[0])
self.assertEqual(out.shape[1], weight.shape[0])
# Make sure backward is overriden
# Double backward is dispatched to _convolution_double_backward.
# It is not tested here as it involves more computation/overrides.
grad = torch.autograd.grad(out, input, out, create_graph=True)
self.assertEqual(msnpu_extension.get_test_int(), 3)
self.assertEqual(grad[0].shape, input.shape)
if __name__ == "__main__":
common.run_tests()
return ref_forward_output_my_rank, ref_weight_out
@skip_if_lt_x_gpu(2)
def test_one_iteration(self):
"""Test FSDP with uneven divide of parameter shards."""
model = Linear(3, 3, bias=False)
input = torch.rand(8, 3)
my_lr = 0.1
ref_forward_output_my_rank, ref_weight_out = self._get_ref_results(
model, input, my_lr)
model.to(self.rank)
model = FSDP(model)
optim = SGD(model.parameters(), lr=my_lr)
self.assertTrue(len(input) >= self.world_size)
in_data = torch.Tensor(input[self.rank]).to(self.rank)
out = model(in_data)
out.float().sum().backward()
optim.step()
optim.zero_grad()
with model.summon_full_params(model):
weight_out = model.module.weight.T.clone()
self.assertEqual(ref_forward_output_my_rank, out)
self.assertEqual(ref_weight_out, weight_out)
if __name__ == "__main__":
run_tests()
class TransformerUtilsTest(NcclDistributedTestBase):
def test_split_tensor_along_last_dim(self):
for tensor_model_paralell_world_size in range(1, self.world_size + 1):
if self.world_size % tensor_model_paralell_world_size > 0:
continue
with self.subTest(tensor_model_paralell_world_size=
tensor_model_paralell_world_size):
parallel_state.initialize_model_parallel(
tensor_model_parallel_size_=tensor_model_paralell_world_size
)
device = "cpu"
input_tensor = torch.randn((100, 100, 100), device=device)
splits = utils.split_tensor_along_last_dim(input_tensor, 10)
last_dim_shapes = torch.tensor(
[int(split.size()[-1]) for split in splits])
self.assertTrue(
torch.equal(
last_dim_shapes,
torch.full((10, ), 10),
))
parallel_state.destroy_model_parallel()
if __name__ == "__main__":
common_utils.run_tests()
