| """ |
| PYTEST_DONT_REWRITE (prevents pytest from rewriting assertions, which interferes |
| with test_functionalization_with_native_python_assertion) |
| """ |
| |
| # Owner(s): ["module: dynamo"] |
| import math |
| import unittest |
| from typing import List, Set |
| import operator |
| |
| import torch |
| from torch.testing._internal.common_utils import run_tests, TestCase |
| from torch.testing import FileCheck |
| from torch._dynamo.eval_frame import is_dynamo_supported |
| from torch.export import export |
| from torch._export.pass_base import _ExportPassBase |
| from torch._export.passes.replace_view_ops_with_view_copy_ops_pass import ( |
| is_view_op, |
| get_view_copy_of_view_op, |
| ReplaceViewOpsWithViewCopyOpsPass, |
| ) |
| from torch._export.passes.functionalize_side_effectful_ops_pass import ( |
| _FunctionalizeSideEffectfulOpsPass, |
| ) |
| from functorch.experimental.control_flow import cond |
| from torch.fx.passes.operator_support import OperatorSupport |
| from torch.fx.passes.infra.partitioner import Partition |
| from torch.utils import _pytree as pytree |
| |
| |
| def count_call_function(graph: torch.fx.Graph, target: torch.ops.OpOverload) -> int: |
| count = 0 |
| for node in graph.nodes: |
| if node.op == "call_function" and node.target == target: |
| count += 1 |
| return count |
| |
| |
| class _AddOperatorSupport(OperatorSupport): |
| def is_node_supported(self, submodules, node: torch.fx.Node) -> bool: |
| return node.op == "call_function" and node.target in {operator.add} |
| |
| |
| class _AtenAddOperatorSupport(OperatorSupport): |
| def is_node_supported(self, submodules, node: torch.fx.Node) -> bool: |
| return node.op == "call_function" and node.target in { |
| torch.ops.aten.add.Tensor |
| } |
| |
| |
| def _to_partition_names(partitions: List[Partition]) -> List[Set[str]]: |
| return [{n.name for n in p.nodes} for p in partitions] |
| |
| |
| def _get_output_names(gm: torch.fx.GraphModule) -> List[str]: |
| output_node = next(n for n in gm.graph.nodes if n.op == "output") |
| args = pytree.tree_leaves(output_node.args) |
| # if isinstance(args, tuple) and len(args) == 1: |
| # args = args[0] |
| return [str(arg) for arg in args] |
| |
| |
| @unittest.skipIf(not is_dynamo_supported(), "Dynamo not supported") |
| class TestPasses(TestCase): |
| def test_runtime_assert_one_dim(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, x): |
| return x.cos() |
| |
| x = torch.zeros(2, 2, 3) |
| |
| dim1_x = torch.export.Dim("dim1_x", min=2, max=6) |
| ep = torch.export.export(M(), (x,), dynamic_shapes={"x": {1: dim1_x}}) |
| |
| with self.assertRaisesRegex(RuntimeError, r"Expected input l_x_.shape\[1\] to be <= 6, but got 7"): |
| ep(torch.zeros(2, 7, 3)) |
| |
| self.assertEqual(ep(torch.ones(2, 4, 3)), M().forward(torch.ones(2, 4, 3))) |
| |
| def test_runtime_assert_multiple_dims(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, x, y): |
| return x.cos().sum() + y.sin().sum() |
| |
| x = torch.zeros(4, 2, 3) |
| y = torch.zeros(5, 5, 5) |
| |
| dim1_x = torch.export.Dim("dim1_x", min=2, max=6) |
| dim0_x, dim0_y = torch.export.dims("dim0_x", "dim0_y", min=3) |
| |
| ep = torch.export.export( |
| M(), (x, y), dynamic_shapes={"x": {0: dim0_x, 1: dim1_x}, "y": {0: dim0_y}} |
| ) |
| |
| with self.assertRaisesRegex(RuntimeError, r"Expected input l_x_.shape\[1\] to be <= 6, but got 7"): |
| ep(torch.zeros(4, 7, 3), torch.ones(5, 5, 5)) |
| |
| with self.assertRaisesRegex(RuntimeError, r"Expected input l_y_.shape\[0\] to be >= 3, but got 2"): |
| ep(torch.zeros(4, 2, 3), torch.ones(2, 5, 5)) |
| |
| def test_runtime_assert_some_dims_not_specified(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, x, y): |
| return x.cos().sum() + y.sin().sum() |
| |
| x = torch.zeros(4, 2, 3) |
| y = torch.zeros(5, 5, 5) |
| |
| dim1_x = torch.export.Dim("dim1_x", min=2, max=6) |
| dim0_x = torch.export.Dim("dim0_x", min=3) |
| |
| ep = torch.export.export( |
| M(), (x, y), dynamic_shapes={"x": {0: dim0_x, 1: dim1_x}, "y": None} |
| ) |
| |
| with self.assertRaisesRegex(RuntimeError, r"Expected input l_x_.shape\[1\] to be <= 6, but got 7"): |
| ep(torch.zeros(4, 7, 3), torch.ones(5, 5, 5)) |
| |
| # y is specialized to 5 |
| with self.assertRaisesRegex( |
| RuntimeError, r"Expected input l_y_.shape\[0\] to be equal to 5, but got 2" |
| ): |
| ep(torch.zeros(4, 2, 3), torch.ones(2, 5, 5)) |
| |
| # Since we didn't insert the constraint for x[1] >= 2, it should work for case where x[1] == 1 |
| gm_result_for_1_size = ep(torch.ones(3, 1, 3), torch.ones(5, 5, 5)) |
| eager_result_for_1_size = M().forward(torch.ones(3, 1, 3), torch.ones(5, 5, 5)) |
| |
| self.assertEqual(gm_result_for_1_size, eager_result_for_1_size) |
| |
| def test_runtime_assert_some_inps_not_used(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, x, y): |
| return y.cos().sum() |
| |
| x = torch.zeros(4, 2, 3) |
| y = torch.zeros(5, 5, 5) |
| |
| dim1_y = torch.export.Dim("dim1_y", min=3, max=6) |
| ep = torch.export.export(M(), (x, y), dynamic_shapes={"x": None, "y": {1: dim1_y}}) |
| |
| with self.assertRaisesRegex(RuntimeError, r"shape\[1\] to be equal to 2"): |
| ep(torch.zeros(4, 7, 3), torch.ones(5, 5, 5)) |
| |
| # y is specialized to 5 |
| with self.assertRaisesRegex( |
| RuntimeError, r"Expected input l_y_.shape\[0\] to be equal to 5, but got 2" |
| ): |
| ep(torch.zeros(4, 2, 3), torch.ones(2, 5, 5)) |
| |
| # Since we didn't insert the constraint for x[1] >= 2, it should work for case where x[1] == 1 |
| gm_result_for_1_size = ep(torch.zeros(4, 2, 3), torch.ones(5, 5, 5)) |
| eager_result_for_1_size = M().forward(torch.zeros(4, 2, 3), torch.ones(5, 5, 5)) |
| |
| self.assertEqual(gm_result_for_1_size, eager_result_for_1_size) |
| |
| def test_view_to_view_copy(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, x): |
| z = x.view(x.shape) |
| return z.cos().sum() |
| |
| x = torch.zeros(4, 2, 3) |
| |
| ep = export(M(), (x,)) |
| self.assertEqual(count_call_function(ep.graph, torch.ops.aten.view.default), 1) |
| |
| ep = ep._transform_do_not_use(ReplaceViewOpsWithViewCopyOpsPass()) |
| self.assertEqual(count_call_function(ep.graph, torch.ops.aten.view.default), 0) |
| |
| def test_functionalization_with_view_copy(self) -> None: |
| def foo(x): |
| y = x + 4 |
| y.add_(4) |
| z = y.view(y.shape) |
| return x.cos() + z.cos() |
| |
| x = torch.zeros(4, 2, 3) |
| |
| ep = export(foo, (x,))._transform_do_not_use(ReplaceViewOpsWithViewCopyOpsPass()) |
| # After this pass, there shouldn't be any view nodes in the graph |
| self.assertTrue(count_call_function(ep.graph, torch.ops.aten.view.default) == 0) |
| self.assertTrue(count_call_function(ep.graph, torch.ops.aten.view_copy.default) > 0) |
| |
| def test_views_op_having_view_copy(self) -> None: |
| schemas = torch._C._dispatch_get_registrations_for_dispatch_key("") |
| aten_schemas = [s[6:] for s in schemas if s.startswith("aten::")] |
| |
| for aten_schema in aten_schemas: |
| val = aten_schema.split(".") |
| assert len(val) <= 2 |
| name = "" |
| overload = "" |
| if len(val) == 1: |
| name = val[0] |
| overload = "default" |
| else: |
| name, overload = val[0], val[1] |
| |
| op_overload = getattr(getattr(torch.ops.aten, name), overload) |
| if torch.Tag.core in op_overload.tags and is_view_op(op_overload._schema): |
| self.assertIsNotNone(get_view_copy_of_view_op(op_overload._schema)) |
| |
| def test_runtime_assert_inline_constraints_for_item(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, x): |
| b = x.item() |
| torch._constrain_as_value(b, min=2, max=5) |
| return b |
| |
| x = torch.tensor([2]) |
| mod = M() |
| ep = export(mod, (x,)) |
| |
| with self.assertRaisesRegex(RuntimeError, r"_local_scalar_dense is outside of inline constraint \[2, 5\]."): |
| ep(torch.tensor([6])) |
| |
| new_inp = torch.tensor([5]) |
| self.assertEqual(mod(new_inp), ep(new_inp)) |
| |
| def test_runtime_assert_inline_constraints_for_nonzero(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, x): |
| b = x.nonzero() |
| torch._constrain_as_value(b.shape[0], min=3, max=5) |
| return b |
| |
| x = torch.tensor([2, 1, 2, 3, 5, 0]) |
| |
| mod = M() |
| dim0_x = torch.export.Dim("dim0_x") |
| ep = torch.export.export(mod, (x,), dynamic_shapes={"x": {0: dim0_x}}) |
| |
| num_assert = count_call_function(ep.graph, torch.ops.aten._assert_async.msg) |
| num_scalar_tensor = count_call_function( |
| ep.graph, torch.ops.aten.scalar_tensor.default |
| ) |
| |
| self.assertEqual(num_assert, 2) |
| self.assertEqual(num_scalar_tensor, 2) |
| |
| with self.assertRaisesRegex( |
| RuntimeError, r"nonzero.shape\[0\] is outside of inline constraint \[3, 5\]." |
| ): |
| ep(torch.tensor([1, 1, 0, 0, 0])) |
| |
| with self.assertRaisesRegex( |
| RuntimeError, r"nonzero.shape\[0\] is outside of inline constraint \[3, 5\]." |
| ): |
| ep(torch.ones(6)) |
| |
| new_inp = torch.tensor([1, 1, 1, 1]) |
| self.assertEqual(mod(new_inp), ep(new_inp)) |
| |
| def test_runtime_assert_inline_constraints_for_cond(self) -> None: |
| class M(torch.nn.Module): |
| def __init__(self): |
| super().__init__() |
| |
| def forward(self, pred, x, y): |
| def true_fn(x, y): |
| b = x.item() |
| torch._constrain_as_value(b, min=2, max=5) |
| return x - b |
| |
| def false_fn(x, y): |
| c = y.item() |
| torch._constrain_as_value(c, min=2, max=5) |
| return y - c |
| |
| ret = cond(pred, true_fn, false_fn, [x, y]) |
| return ret |
| |
| x = torch.tensor([2]) |
| y = torch.tensor([5]) |
| mod = M() |
| ep = export(mod, (torch.tensor(True), x, y)) |
| |
| |
| with self.assertRaisesRegex(RuntimeError, "is outside of inline constraint \\[2, 5\\]."): |
| ep(torch.tensor(False), torch.tensor([6]), torch.tensor([6])) |
| |
| def test_functionalize_inline_contraints(self) -> None: |
| def f(x): |
| a = x.item() |
| torch._constrain_as_value(a, 4, 7) |
| return torch.empty((a, 4)) |
| |
| ep = torch._export.export(f, (torch.tensor([7]),)) |
| gm = ep.graph_module |
| FileCheck().check_count( |
| "torch.ops.aten.sym_constrain_range.default", |
| 1, |
| exactly=True, |
| ).run(gm.code) |
| |
| gm = _FunctionalizeSideEffectfulOpsPass()(ep.graph_module).graph_module |
| |
| with self.assertRaisesRegex( |
| RuntimeError, |
| r"_local_scalar_dense is outside of inline constraint \[4, 7\]", |
| ) as cm: |
| gm(torch.tensor([20])) |
| |
| inp = torch.tensor([5]) |
| res, dep_token = gm(inp) |
| self.assertEqual(res.shape, torch.Size([5, 4])) |
| self.assertEqual(dep_token.shape, torch.Size([])) |
| |
| FileCheck().check_count( |
| "torch.ops.aten._functional_sym_constrain_range", 1, exactly=True |
| ).run(gm.code) |
| FileCheck().check_count( |
| "torch.ops.aten.sym_constrain_range.default", 0, exactly=True |
| ).run(gm.code) |
| |
| def test_math_ops(self): |
| def func(x): |
| return ( |
| torch.tensor([math.ceil(x.item())]), |
| torch.tensor([math.floor(x.item())]), |
| ) |
| |
| x = torch.randn(1, dtype=torch.float32) |
| ep = torch.export.export(func, args=(x,)) |
| _ExportPassBase()(ep.graph_module) |
| |
| |
| if __name__ == '__main__': |
| run_tests() |