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https://github.com/zebrajr/pytorch.git
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84b58bd63e
**Motivation:** Enable FSDP tests on XPU device Pull Request resolved: https://github.com/pytorch/pytorch/pull/147518 Approved by: https://github.com/weifengpy
77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
# Owner(s): ["oncall: distributed"]
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import sys
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import torch
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from torch import distributed as dist
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from torch.distributed.fsdp import FullyShardedDataParallel as FSDP
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from torch.nn import Linear, Module
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from torch.optim import SGD
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from torch.testing._internal.common_device_type import instantiate_device_type_tests
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from torch.testing._internal.common_distributed import skip_if_lt_x_gpu
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from torch.testing._internal.common_fsdp import FSDPTest
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from torch.testing._internal.common_utils import (
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parametrize,
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run_tests,
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subtest,
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TEST_WITH_DEV_DBG_ASAN,
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)
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if not dist.is_available():
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print("Distributed not available, skipping tests", file=sys.stderr)
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sys.exit(0)
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if TEST_WITH_DEV_DBG_ASAN:
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print(
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"Skip dev-asan as torch + multiprocessing spawn have known issues",
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file=sys.stderr,
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)
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sys.exit(0)
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class TestInput(FSDPTest):
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@property
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def world_size(self):
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return 1
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@skip_if_lt_x_gpu(1)
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@parametrize("input_cls", [subtest(dict, name="dict"), subtest(list, name="list")])
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def test_input_type(self, device, input_cls):
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"""Test FSDP with input being a list or a dict, only single GPU."""
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class Model(Module):
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def __init__(self):
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super().__init__()
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self.layer = Linear(4, 4)
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def forward(self, input):
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if isinstance(input, list):
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input = input[0]
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else:
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assert isinstance(input, dict), input
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input = input["in"]
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return self.layer(input)
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fsdp_kwargs = {
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"device_id": device,
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}
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model = FSDP(Model().to(device), **fsdp_kwargs)
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optim = SGD(model.parameters(), lr=0.1)
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for _ in range(5):
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in_data = torch.rand(64, 4).to(device)
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in_data.requires_grad = True
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if input_cls is list:
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in_data = [in_data]
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else:
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self.assertTrue(input_cls is dict)
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in_data = {"in": in_data}
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out = model(in_data)
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out.sum().backward()
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optim.step()
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optim.zero_grad()
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devices = ("cuda", "hpu", "xpu")
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instantiate_device_type_tests(TestInput, globals(), only_for=devices, allow_xpu=True)
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if __name__ == "__main__":
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run_tests()
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