mirror of
https://github.com/zebrajr/pytorch.git
synced 2025-12-06 12:20:52 +01:00
27dee935af
Pull Request resolved: https://github.com/pytorch/pytorch/pull/137117 Approved by: https://github.com/yanboliang, https://github.com/williamwen42 ghstack dependencies: #137114, #137115, #137116
368 lines
16 KiB
Python
368 lines
16 KiB
Python
# Owner(s): ["oncall: export"]
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# flake8: noqa
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import unittest
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from typing import Dict, List, Tuple
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import torch
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import torch._dynamo
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from torch._dynamo.test_case import run_tests, TestCase
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from torch._export.wrappers import _mark_strict_experimental
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from torch._functorch.aot_autograd import aot_export_module
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from torch.export import export
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from torch.export._trace import _convert_ts_to_export_experimental
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from torch.export.experimental import _export_forward_backward
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from torch.testing import FileCheck
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@unittest.skipIf(not torch._dynamo.is_dynamo_supported(), "dynamo isn't supported")
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class TestExperiment(TestCase):
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def test_with_buffer_as_submodule(self):
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@_mark_strict_experimental
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class B(torch.nn.Module):
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def __init__(self) -> None:
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super().__init__()
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self.buffer1 = torch.nn.Buffer(torch.ones(3))
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def forward(self, x):
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y = x + 2
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y.add_(4)
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# this doesnt' work today with HOO
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# self.buffer1.add_(6)
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buffer_updated = self.buffer1 + 6
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return x.sum() + y.sum() + buffer_updated.sum()
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class M(torch.nn.Module):
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def __init__(self) -> None:
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super().__init__()
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self.submodule = B()
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def forward(self, x):
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x_v2 = x.sin()
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return (self.submodule(x_v2), x + 3)
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inp = torch.randn(3)
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ep = torch.export.export(M(), (inp,), strict=False)
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self.assertExpectedInline(
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str(ep.graph_module.code.strip()),
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"""\
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def forward(self, b_submodule_buffer1, x):
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sin = torch.ops.aten.sin.default(x)
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strict_graph_0 = self.strict_graph_0
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strict_mode = torch.ops.higher_order.strict_mode(strict_graph_0, (sin, b_submodule_buffer1)); strict_graph_0 = sin = b_submodule_buffer1 = None
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getitem = strict_mode[0]; strict_mode = None
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add = torch.ops.aten.add.Tensor(x, 3); x = None
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return (getitem, add)""",
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)
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self.assertExpectedInline(
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str(ep.graph_module.strict_graph_0.code.strip()),
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"""\
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def forward(self, arg0_1, arg1_1):
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add = torch.ops.aten.add.Tensor(arg0_1, 2)
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add_1 = torch.ops.aten.add.Tensor(add, 4); add = None
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add_2 = torch.ops.aten.add.Tensor(arg1_1, 6); arg1_1 = None
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sum_1 = torch.ops.aten.sum.default(arg0_1); arg0_1 = None
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sum_2 = torch.ops.aten.sum.default(add_1); add_1 = None
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add_3 = torch.ops.aten.add.Tensor(sum_1, sum_2); sum_1 = sum_2 = None
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sum_3 = torch.ops.aten.sum.default(add_2); add_2 = None
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add_4 = torch.ops.aten.add.Tensor(add_3, sum_3); add_3 = sum_3 = None
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return (add_4,)""",
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)
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eager_mod = M()
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ep = torch.export.export(eager_mod, (inp,), strict=True)
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graph_res_1, graph_res_2 = ep.module()(inp)
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eager_res_1, eager_res_2 = eager_mod(inp)
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self.assertTrue(torch.allclose(graph_res_2, eager_res_2))
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self.assertTrue(torch.allclose(graph_res_1, eager_res_1))
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graph_res_1, graph_res_2 = ep.module()(inp)
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eager_res_1, eager_res_2 = eager_mod(inp)
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self.assertTrue(torch.allclose(graph_res_2, eager_res_2))
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self.assertTrue(torch.allclose(graph_res_1, eager_res_1))
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def test_mark_strict_with_container_type(self):
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@_mark_strict_experimental
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class B(torch.nn.Module):
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def __init__(self) -> None:
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super().__init__()
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def forward(self, x):
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x0 = x[0][0]
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return x0.sum()
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class M(torch.nn.Module):
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def __init__(self) -> None:
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super().__init__()
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self.submodule = B()
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def forward(self, x):
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return self.submodule(x)
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inp = ((torch.randn(3),),)
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with self.assertRaisesRegex(
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RuntimeError, "strict_mode HOO doesn't work unless"
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):
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ep = torch.export.export(M(), inp, strict=False)
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def test_torchscript_module_export(self):
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class M(torch.nn.Module):
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def forward(self, x):
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return x.cos() + x.sin()
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model_to_trace = M()
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inps = (torch.randn(4, 4),)
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traced_module_by_torchscript = torch.jit.trace(M(), example_inputs=inps)
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exported_module = _convert_ts_to_export_experimental(
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traced_module_by_torchscript, inps
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)
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self.assertTrue(torch.allclose(exported_module(*inps), model_to_trace(*inps)))
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def test_torchscript_module_export_single_input(self):
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class M(torch.nn.Module):
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def forward(self, x):
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return x.cos() + x.sin()
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model_to_trace = M()
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inps = torch.randn(4, 4)
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traced_module_by_torchscript = torch.jit.trace(M(), example_inputs=inps)
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exported_module = _convert_ts_to_export_experimental(
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traced_module_by_torchscript, inps
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)
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self.assertTrue(torch.allclose(exported_module(inps), model_to_trace(inps)))
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def test_torchscript_module_export_various_inputs_with_annotated_input_names(self):
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def _check_equality_and_annotations(m_func, inps):
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# Original module.
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model_to_trace = m_func()
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# ExportedProgram from TorchScript module.
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traced_module_by_torchscript = torch.jit.trace(
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m_func(), example_inputs=inps
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)
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exported_module = _convert_ts_to_export_experimental(
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traced_module_by_torchscript, inps
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)
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# ExportedProgram from original module.
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original_exported_module = torch.export.export(m_func(), inps)
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# Check whether input annotations are the same as tracing the original module.
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orig_ph_name_list = [
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n.name
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for n in original_exported_module.graph.nodes
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if n.op == "placeholder"
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]
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ph_name_list = [
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n.name for n in exported_module.graph.nodes if n.op == "placeholder"
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]
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self.assertEqual(orig_ph_name_list, ph_name_list)
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# Check results equality.
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self.assertTrue(
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torch.allclose(exported_module(*inps), model_to_trace(*inps))
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)
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# Tuple
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class MTuple(torch.nn.Module):
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def forward(self, x: Tuple[torch.Tensor]):
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return x[0] + x[1]
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_check_equality_and_annotations(MTuple, ((torch.randn(4), torch.randn(4)),))
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# List
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class MList(torch.nn.Module):
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def forward(self, x: List[torch.Tensor]):
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return x[0] + x[1]
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_check_equality_and_annotations(MList, ([torch.randn(4), torch.randn(4)],))
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# Dict
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class MDict(torch.nn.Module):
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def forward(self, x: Dict[str, torch.Tensor]):
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return x["0"] + x["1"]
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_check_equality_and_annotations(
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MDict, ({"0": torch.randn(4), "1": torch.randn(4)},)
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)
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def test_joint_basic(self) -> None:
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class Module(torch.nn.Module):
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def __init__(self) -> None:
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super().__init__()
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self.linear = torch.nn.Linear(3, 3)
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self.loss = torch.nn.CrossEntropyLoss()
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def forward(self, x):
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return self.loss(
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self.linear(x).softmax(dim=0), torch.tensor([1.0, 0.0, 0.0])
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)
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m = Module()
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example_inputs = (torch.randn(3),)
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m(*example_inputs)
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ep = torch.export._trace._export(m, example_inputs, pre_dispatch=True)
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joint_ep = _export_forward_backward(ep)
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self.assertExpectedInline(
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str(joint_ep.graph_module.code).strip(),
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"""\
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def forward(self, p_linear_weight, p_linear_bias, c_lifted_tensor_0, x):
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view = torch.ops.aten.view.default(x, [1, 3]); x = None
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permute = torch.ops.aten.permute.default(p_linear_weight, [1, 0]); p_linear_weight = None
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addmm = torch.ops.aten.addmm.default(p_linear_bias, view, permute); p_linear_bias = permute = None
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view_1 = torch.ops.aten.view.default(addmm, [3]); addmm = None
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_softmax = torch.ops.aten._softmax.default(view_1, 0, False); view_1 = None
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alias = torch.ops.aten.alias.default(_softmax)
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alias_1 = torch.ops.aten.alias.default(alias); alias = None
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clone = torch.ops.aten.clone.default(c_lifted_tensor_0); c_lifted_tensor_0 = None
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alias_2 = torch.ops.aten.alias.default(clone); clone = None
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alias_3 = torch.ops.aten.alias.default(alias_2); alias_2 = None
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alias_4 = torch.ops.aten.alias.default(alias_3); alias_3 = None
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_log_softmax = torch.ops.aten._log_softmax.default(_softmax, 0, False); _softmax = None
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alias_5 = torch.ops.aten.alias.default(_log_softmax)
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alias_6 = torch.ops.aten.alias.default(alias_5); alias_5 = None
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mul = torch.ops.aten.mul.Tensor(_log_softmax, alias_4); _log_softmax = None
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sum_1 = torch.ops.aten.sum.dim_IntList(mul, []); mul = None
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neg = torch.ops.aten.neg.default(sum_1); sum_1 = None
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div = torch.ops.aten.div.Scalar(neg, 1); neg = None
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full_like = torch.ops.aten.full_like.default(div, 1, pin_memory = False, memory_format = torch.preserve_format)
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div_1 = torch.ops.aten.div.Scalar(full_like, 1); full_like = None
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neg_1 = torch.ops.aten.neg.default(div_1); div_1 = None
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expand = torch.ops.aten.expand.default(neg_1, [3]); neg_1 = None
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mul_1 = torch.ops.aten.mul.Tensor(expand, alias_4); expand = alias_4 = None
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alias_7 = torch.ops.aten.alias.default(alias_6); alias_6 = None
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alias_8 = torch.ops.aten.alias.default(alias_7); alias_7 = None
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exp = torch.ops.aten.exp.default(alias_8); alias_8 = None
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sum_2 = torch.ops.aten.sum.dim_IntList(mul_1, [0], True)
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mul_2 = torch.ops.aten.mul.Tensor(exp, sum_2); exp = sum_2 = None
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sub = torch.ops.aten.sub.Tensor(mul_1, mul_2); mul_1 = mul_2 = None
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alias_9 = torch.ops.aten.alias.default(alias_1); alias_1 = None
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alias_10 = torch.ops.aten.alias.default(alias_9); alias_9 = None
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mul_3 = torch.ops.aten.mul.Tensor(sub, alias_10); sub = None
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sum_3 = torch.ops.aten.sum.dim_IntList(mul_3, [0], True)
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mul_4 = torch.ops.aten.mul.Tensor(alias_10, sum_3); alias_10 = sum_3 = None
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sub_1 = torch.ops.aten.sub.Tensor(mul_3, mul_4); mul_3 = mul_4 = None
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view_2 = torch.ops.aten.view.default(sub_1, [1, 3]); sub_1 = None
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permute_1 = torch.ops.aten.permute.default(view_2, [1, 0])
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mm = torch.ops.aten.mm.default(permute_1, view); permute_1 = view = None
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permute_2 = torch.ops.aten.permute.default(mm, [1, 0]); mm = None
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sum_4 = torch.ops.aten.sum.dim_IntList(view_2, [0], True); view_2 = None
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view_3 = torch.ops.aten.view.default(sum_4, [3]); sum_4 = None
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permute_3 = torch.ops.aten.permute.default(permute_2, [1, 0]); permute_2 = None
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return (div, permute_3, view_3)""",
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)
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ep = joint_ep.run_decompositions()
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self.assertExpectedInline(
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str(ep.graph_module.code).strip(),
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"""\
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def forward(self, p_linear_weight, p_linear_bias, c_lifted_tensor_0, x):
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view = torch.ops.aten.view.default(x, [1, 3]); x = None
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permute = torch.ops.aten.permute.default(p_linear_weight, [1, 0]); p_linear_weight = None
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addmm = torch.ops.aten.addmm.default(p_linear_bias, view, permute); p_linear_bias = permute = None
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view_1 = torch.ops.aten.view.default(addmm, [3]); addmm = None
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_softmax = torch.ops.aten._softmax.default(view_1, 0, False); view_1 = None
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alias = torch.ops.aten.alias.default(_softmax)
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alias_1 = torch.ops.aten.alias.default(alias); alias = None
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clone = torch.ops.aten.clone.default(c_lifted_tensor_0); c_lifted_tensor_0 = None
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alias_2 = torch.ops.aten.alias.default(clone); clone = None
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alias_3 = torch.ops.aten.alias.default(alias_2); alias_2 = None
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alias_4 = torch.ops.aten.alias.default(alias_3); alias_3 = None
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_log_softmax = torch.ops.aten._log_softmax.default(_softmax, 0, False); _softmax = None
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alias_5 = torch.ops.aten.alias.default(_log_softmax)
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alias_6 = torch.ops.aten.alias.default(alias_5); alias_5 = None
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mul = torch.ops.aten.mul.Tensor(_log_softmax, alias_4); _log_softmax = None
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sum_1 = torch.ops.aten.sum.dim_IntList(mul, []); mul = None
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neg = torch.ops.aten.neg.default(sum_1); sum_1 = None
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div = torch.ops.aten.div.Scalar(neg, 1); neg = None
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full_like = torch.ops.aten.full_like.default(div, 1, pin_memory = False, memory_format = torch.preserve_format)
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div_1 = torch.ops.aten.div.Scalar(full_like, 1); full_like = None
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neg_1 = torch.ops.aten.neg.default(div_1); div_1 = None
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expand = torch.ops.aten.expand.default(neg_1, [3]); neg_1 = None
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mul_1 = torch.ops.aten.mul.Tensor(expand, alias_4); expand = alias_4 = None
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alias_7 = torch.ops.aten.alias.default(alias_6); alias_6 = None
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alias_8 = torch.ops.aten.alias.default(alias_7); alias_7 = None
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exp = torch.ops.aten.exp.default(alias_8); alias_8 = None
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sum_2 = torch.ops.aten.sum.dim_IntList(mul_1, [0], True)
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mul_2 = torch.ops.aten.mul.Tensor(exp, sum_2); exp = sum_2 = None
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sub = torch.ops.aten.sub.Tensor(mul_1, mul_2); mul_1 = mul_2 = None
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alias_9 = torch.ops.aten.alias.default(alias_1); alias_1 = None
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alias_10 = torch.ops.aten.alias.default(alias_9); alias_9 = None
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mul_3 = torch.ops.aten.mul.Tensor(sub, alias_10); sub = None
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sum_3 = torch.ops.aten.sum.dim_IntList(mul_3, [0], True)
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mul_4 = torch.ops.aten.mul.Tensor(alias_10, sum_3); alias_10 = sum_3 = None
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sub_1 = torch.ops.aten.sub.Tensor(mul_3, mul_4); mul_3 = mul_4 = None
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view_2 = torch.ops.aten.view.default(sub_1, [1, 3]); sub_1 = None
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permute_1 = torch.ops.aten.permute.default(view_2, [1, 0])
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mm = torch.ops.aten.mm.default(permute_1, view); permute_1 = view = None
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permute_2 = torch.ops.aten.permute.default(mm, [1, 0]); mm = None
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sum_4 = torch.ops.aten.sum.dim_IntList(view_2, [0], True); view_2 = None
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view_3 = torch.ops.aten.view.default(sum_4, [3]); sum_4 = None
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permute_3 = torch.ops.aten.permute.default(permute_2, [1, 0]); permute_2 = None
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return (div, permute_3, view_3)""",
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)
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def test_joint_dynamic(self) -> None:
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from torch.export import Dim
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class Module(torch.nn.Module):
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def __init__(self) -> None:
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super().__init__()
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self.y = torch.nn.Parameter(torch.randn(3))
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def forward(self, x):
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x = torch.ones(x.shape[0], 3)
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return (self.y + x).sum()
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m = Module()
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example_inputs = (torch.randn(3),)
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m(*example_inputs)
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ep = torch.export._trace._export(
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m, example_inputs, pre_dispatch=True, dynamic_shapes={"x": {0: Dim("x0")}}
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)
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joint_ep = _export_forward_backward(ep)
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def test_joint_cifar10_backwards(self) -> None:
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import torch.nn as nn
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import torch.nn.functional as F
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# From Pytorch's CIFAR10 example:
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# https://pytorch.org/tutorials/beginner/blitz/cifar10_tutorial.html
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class Net(nn.Module):
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def __init__(self):
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super().__init__()
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self.conv1 = nn.Conv2d(3, 6, 5)
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self.pool = nn.MaxPool2d(2, 2)
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self.conv2 = nn.Conv2d(6, 16, 5)
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self.fc1 = nn.Linear(16 * 5 * 5, 120)
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self.fc2 = nn.Linear(120, 84)
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self.fc3 = nn.Linear(84, 10)
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self.loss = nn.CrossEntropyLoss()
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def forward(self, x, labels):
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x = self.pool(F.relu(self.conv1(x)))
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x = self.pool(F.relu(self.conv2(x)))
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x = torch.flatten(x, 1) # flatten all dimensions except batch
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x = F.relu(self.fc1(x))
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x = F.relu(self.fc2(x))
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x = self.fc3(x)
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return self.loss(x, labels)
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net = Net()
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x = torch.randn(4, 3, 32, 32)
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labels = torch.ones(4, dtype=torch.int64)
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inputs = (x, labels)
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ep = export(net, inputs)
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ep = _export_forward_backward(ep)
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if __name__ == "__main__":
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run_tests()
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