| # Copyright (c) Facebook, Inc. and its affiliates. |
| # All rights reserved. |
| # |
| # This source code is licensed under the BSD-style license found in the |
| # LICENSE file in the root directory of this source tree. |
| |
| from torch.testing._internal.common_utils import TestCase, run_tests, is_iterable_of_tensors |
| import torch |
| from torch import Tensor |
| import functools |
| from torch.testing._internal.common_device_type import instantiate_device_type_tests |
| from torch.testing._internal.common_device_type import ops |
| from torch.testing._internal.common_device_type import \ |
| toleranceOverride, tol |
| from functorch_lagging_op_db import functorch_lagging_op_db |
| from functorch_additional_op_db import additional_op_db |
| from common_utils import ( |
| get_fallback_and_vmap_exhaustive, |
| get_exhaustive_batched_inputs, |
| xfail, |
| skip, |
| skipOps, |
| tol1, |
| # tol2, |
| opsToleranceOverride, |
| check_vmap_fallback, |
| ) |
| from torch.utils._pytree import tree_flatten, tree_unflatten, tree_map |
| from functorch import grad, vjp, vmap, jacrev, jacfwd |
| import torch.autograd.forward_ad as fwAD |
| from functorch._src.eager_transforms import _as_tuple, jvp |
| aten = torch.ops.aten |
| |
| # Version of autograd.grad that handles outputs that don't depend on inputs |
| |
| |
| def _autograd_grad(outputs, inputs, grad_outputs=None, retain_graph=False, create_graph=True): |
| inputs, inputs_spec = tree_flatten(inputs) |
| result = [torch.zeros_like(inp) for inp in inputs] |
| diff_argnums = tuple(i for i, inp in enumerate(inputs) if inp.requires_grad) |
| inputs = tuple(inputs[i] for i in diff_argnums) |
| if grad_outputs is None: |
| diff_outputs = tuple(out for out in outputs if out.requires_grad) |
| else: |
| something = [(out, go) for out, go in zip(outputs, grad_outputs) |
| if out.requires_grad] |
| if len(something) == 0: |
| diff_outputs, grad_outputs = (), () |
| else: |
| diff_outputs, grad_outputs = zip(*something) |
| if len(diff_outputs) == 0: |
| return tuple(torch.zeros_like(inp) for inp in inputs) |
| grad_inputs = torch.autograd.grad(diff_outputs, inputs, grad_outputs, |
| retain_graph=retain_graph, |
| create_graph=create_graph, |
| allow_unused=True) |
| grad_inputs = tuple(torch.zeros_like(inp) if gi is None else gi |
| for gi, inp in zip(grad_inputs, inputs)) |
| for idx, grad_inp in zip(diff_argnums, grad_inputs): |
| result[idx] = grad_inp |
| return tree_unflatten(result, inputs_spec) |
| |
| |
| def diff_arg(arg, requires_grad=True): |
| def is_differentiable_arg(arg): |
| if requires_grad: |
| return arg.requires_grad |
| else: |
| return arg.is_floating_point() or arg.is_complex() |
| if is_iterable_of_tensors(arg): |
| if all([is_differentiable_arg(a) for a in arg]): |
| return True |
| if all([not is_differentiable_arg(a) for a in arg]): |
| return False |
| raise RuntimeError("NYI: The test runner can't handle this") |
| return isinstance(arg, Tensor) and is_differentiable_arg(arg) |
| |
| |
| # Given f, returns an f' such that: |
| # - f' takes only positional arguments |
| # - All arguments to f' are floating-point Tensors |
| # - All outputs of f' are floating-point Tensors |
| def normalize_op_input_output2(f, args, kwargs, output_process_fn_grad=None, requires_grad=True): |
| flat_args, args_spec = tree_flatten(args) |
| diff_argnums = tuple(i for i, arg in enumerate(flat_args) if diff_arg(arg, requires_grad=requires_grad)) |
| assert len(diff_argnums) > 0 |
| primals = tuple(flat_args[i] for i in diff_argnums) |
| |
| @functools.wraps(f) |
| def wrapped(*primals): |
| _args = list(flat_args) |
| for num, arg in zip(diff_argnums, primals): |
| _args[num] = arg |
| _args = tree_unflatten(_args, args_spec) |
| result = f(*_args, **kwargs) |
| if output_process_fn_grad is not None: |
| result = output_process_fn_grad(result) |
| if isinstance(result, tuple): |
| # TODO: Remove the following hack for namedtuples |
| result = tuple(result) |
| result = tuple(r for r in result if torch.is_floating_point(r)) |
| assert len(result) > 0 |
| return result |
| return wrapped, primals |
| |
| |
| # TODO: consolidate with normalize_op_input_output2 |
| def normalize_op_input_output3(f, args, kwargs, sample_args, output_process_fn_grad=None): |
| flat_args, args_spec = tree_flatten(args) |
| flat_sample_args, _ = tree_flatten(sample_args) |
| diff_argnums = tuple(i for i, (arg, sample) in enumerate(zip(flat_args, flat_sample_args)) |
| if diff_arg(sample, requires_grad=True)) |
| assert len(diff_argnums) > 0 |
| primals = tuple(flat_args[i] for i in diff_argnums) |
| |
| @functools.wraps(f) |
| def wrapped(*primals): |
| _args = list(flat_args) |
| for num, arg in zip(diff_argnums, primals): |
| _args[num] = arg |
| _args = tree_unflatten(_args, args_spec) |
| result = f(*_args, **kwargs) |
| if output_process_fn_grad is not None: |
| result = output_process_fn_grad(result) |
| if isinstance(result, tuple): |
| # TODO: Remove the following hack for namedtuples |
| result = tuple(result) |
| result = tuple(r for r in result if torch.is_floating_point(r)) |
| assert len(result) > 0 |
| return result |
| return wrapped, primals |
| |
| |
| def normalize_op_input_output(f, sample, requires_grad=True): |
| args = tuple([sample.input] + list(sample.args)) |
| return normalize_op_input_output2( |
| f, args, sample.kwargs, sample.output_process_fn_grad, requires_grad=requires_grad |
| ) |
| |
| |
| def ref_vjp(f, *primals): |
| result = f(*primals) |
| |
| def wrapped(cotangents): |
| return _autograd_grad(_as_tuple(result), primals, _as_tuple(cotangents)) |
| |
| return result, wrapped |
| |
| |
| def ref_jvp(f, primals, tangents): |
| with fwAD.dual_level(): |
| duals = tuple(fwAD.make_dual(p, t) for p, t in zip(primals, tangents)) |
| result_duals = f(*duals) |
| result_duals, spec = tree_flatten(result_duals) |
| primals_out, tangents_out = zip(*(fwAD.unpack_dual(d) for d in result_duals)) |
| return tree_unflatten(primals_out, spec), tree_unflatten(tangents_out, spec) |
| |
| |
| def get_sample_cotangents(f, sample): |
| fn, primals = normalize_op_input_output(f, sample) |
| output = fn(*primals) |
| return tree_map(torch.randn_like, output) |
| |
| |
| # returns a new function g(*args, *cotangents) |
| # that computes vjps and (*args, cotangents) |
| def get_vjp_fn_and_args_with_cotangents(f, sample, cotangents): |
| args = tuple([sample.input] + list(sample.args)) |
| kwargs = sample.kwargs |
| flat_args, args_spec = tree_flatten(args) |
| flat_cotangents, cotangents_spec = tree_flatten(cotangents) |
| |
| @functools.wraps(f) |
| def wrapped(*args): |
| assert len(args) == len(flat_args) + len(flat_cotangents) |
| actual_args = args[:len(flat_args)] |
| cotangents = args[len(flat_args):] |
| actual_args = tree_unflatten(actual_args, args_spec) |
| cotangents = tree_unflatten(cotangents, cotangents_spec) |
| |
| fn, primals = normalize_op_input_output3(f, actual_args, kwargs, |
| flat_args, |
| sample.output_process_fn_grad) |
| _, vjp_fn = vjp(fn, *primals) |
| return vjp_fn(cotangents) |
| |
| return wrapped, tuple(flat_args + flat_cotangents) |
| |
| |
| # returns a new function g(*args, *cotangents) |
| # that computes vjps and (*args, cotangents) using torch.autograd.grad |
| def get_autograd_fn_and_args_with_cotangents(f, sample, cotangents): |
| args = tuple([sample.input] + list(sample.args)) |
| kwargs = sample.kwargs |
| flat_args, args_spec = tree_flatten(args) |
| flat_cotangents, cotangents_spec = tree_flatten(cotangents) |
| |
| @functools.wraps(f) |
| def wrapped(*args): |
| assert len(args) == len(flat_args) + len(flat_cotangents) |
| actual_args = args[:len(flat_args)] |
| cotangents = args[len(flat_args):] |
| actual_args = tree_unflatten(actual_args, args_spec) |
| cotangents = tree_unflatten(cotangents, cotangents_spec) |
| |
| fn, primals = normalize_op_input_output3(f, actual_args, kwargs, |
| flat_args, |
| sample.output_process_fn_grad) |
| out = fn(*primals) |
| diff_wrt = tuple(primal for primal in primals if (primal.requires_grad or primal.grad_fn is not None)) |
| if diff_wrt: |
| return torch.autograd.grad(out, diff_wrt, grad_outputs=cotangents) |
| else: |
| return (torch.ones(()),) # uuugh hack...this will need to be more generic |
| |
| return wrapped, tuple(flat_args + flat_cotangents) |
| |
| |
| # Returns a new function g(*args, *cotangents) that computes vjps and |
| # sample (*args, *cotangents) |
| def get_vjpfull_variant(f, sample): |
| fn, primals = normalize_op_input_output(f, sample) |
| result = fn(*primals) |
| cotangents = _as_tuple( |
| tree_map(lambda x: torch.randn_like(x, requires_grad=True), result)) |
| num_primals = len(primals) |
| args = (*primals, *cotangents) |
| |
| @functools.wraps(f) |
| def wrapped(*args): |
| primals = args[:num_primals] |
| cotangents = args[num_primals:] |
| result, vjp_fn = vjp(fn, *primals) |
| if isinstance(result, torch.Tensor): |
| assert len(cotangents) == 1 |
| cotangents = cotangents[0] |
| return vjp_fn(cotangents) |
| |
| return wrapped, args |
| |
| |
| def get_jvp_variant(f, sample): |
| # We want this higher-order variant of jvp, so that it can |
| # be used to wrap vmap |
| fn, primals = normalize_op_input_output(f, sample, requires_grad=False) |
| tangents = _as_tuple( |
| tree_map(lambda x: torch.randn_like(x), primals)) |
| |
| @functools.wraps(f) |
| def wrapped(*args): |
| tangents = args |
| primals_out, tangents_out = jvp(fn, primals, tangents) |
| |
| if isinstance(primals_out, torch.Tensor): |
| return (primals_out, tangents_out) |
| else: |
| flat_primals_out, _ = tree_flatten(primals_out) |
| flat_tangents_out, _ = tree_flatten(tangents_out) |
| return tuple(flat_primals_out + flat_tangents_out) |
| |
| return wrapped, tangents |
| |
| |
| def get_jvp_variant_primals_tangents(f, sample): |
| # We want this higher-order variant of jvp, so that it can |
| # be used to wrap vmap |
| fn, primals = normalize_op_input_output(f, sample, requires_grad=False) |
| tangents = _as_tuple( |
| tree_map(lambda x: torch.randn_like(x), primals)) |
| |
| @functools.wraps(f) |
| def wrapped(*args): |
| primals_in = args[:len(primals)] |
| tangents_in = args[len(primals):] |
| primals_out, tangents_out = jvp(fn, primals_in, tangents_in) |
| |
| if isinstance(primals_out, torch.Tensor): |
| return (primals_out, tangents_out) |
| else: |
| flat_primals_out, _ = tree_flatten(primals_out) |
| flat_tangents_out, _ = tree_flatten(tangents_out) |
| return tuple(flat_primals_out + flat_tangents_out) |
| |
| return wrapped, primals + tangents |
| |
| |
| def is_inplace(op, variant): |
| if hasattr(variant, "__wrapped__"): |
| return variant.__wrapped__ is op.get_inplace() |
| return variant is op.get_inplace() |
| |
| |
| vjp_fail = { |
| skip('nn.functional.dropout'), # randomness testing artifact |
| skip('nn.functional.rrelu'), # randomness testing artifact |
| skip('bernoulli'), # randomness testing artifact |
| skip('normal', ''), # randomness testing artifact |
| skip('normal', 'number_mean'), # randomness testing artifact |
| xfail('tensor_split'), |
| xfail('to_sparse'), |
| xfail('nn.functional.ctc_loss'), |
| skip('nn.functional.feature_alpha_dropout', 'with_train'), # fails on cuda, runs okay on cpu |
| skip('nn.functional.feature_alpha_dropout', 'without_train'), # fails on cuda, runs okay on cpu |
| skip('pca_lowrank', ''), # fails on cuda, runs okay on cpu |
| skip('svd_lowrank', ''), # fails on cuda, runs okay on cpu |
| skip('nn.functional.dropout2d', ''), # fails on cuda, runs okay on cpu |
| } |
| |
| |
| class TestOperators(TestCase): |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @skipOps('TestOperators', 'test_grad', vjp_fail.union({ |
| skip('nn.functional.fractional_max_pool2d'), # fails on cuda, runs okay on cpu |
| skip('nn.functional.fractional_max_pool3d'), # fails on cuda, runs okay on cpu |
| })) |
| @opsToleranceOverride('TestOperators', 'test_grad', ( |
| tol1('nn.functional.binary_cross_entropy_with_logits', |
| {torch.float32: tol(atol=1e-04, rtol=1e-04)}), |
| )) |
| def test_grad(self, device, dtype, op): |
| if op.name in vjp_fail: |
| self.skipTest("Skipped; Expected failures") |
| return |
| |
| if not op.supports_autograd: |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| for sample in samples: |
| args = [sample.input] + list(sample.args) |
| kwargs = sample.kwargs |
| |
| diff_argnums = tuple(i for i, arg in enumerate(args) if diff_arg(arg)) |
| assert len(diff_argnums) > 0 |
| diff_args = tuple(args[i] for i in diff_argnums) |
| |
| def wrapped_fn(*args, **kwargs): |
| result = op(*args, **kwargs) |
| if sample.output_process_fn_grad is not None: |
| result = sample.output_process_fn_grad(result) |
| |
| # Reduce into single value for grad |
| if isinstance(result, torch.Tensor): |
| return result.sum() |
| result = sum([res.sum() for res in result]) |
| return result |
| |
| result = grad(wrapped_fn, diff_argnums)(*args, **kwargs) |
| expected = _autograd_grad(_as_tuple(wrapped_fn(*args, **kwargs)), diff_args) |
| |
| self.assertEqual(result, expected) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @skipOps('TestOperators', 'test_jvp', set({ |
| skip('nn.functional.dropout'), # randomness testing artifact; not actually a problem |
| skip('nn.functional.rrelu'), # randomness testing artifact; not actually a problem |
| skip('nn.functional.fractional_max_pool2d'), # fails on cuda, runs okay on cpu |
| skip('nn.functional.fractional_max_pool3d'), # fails on cuda, runs okay on cpu |
| skip('nn.functional.max_pool1d'), # fails on cpu, runs okay on cuda |
| skip('nn.functional.feature_alpha_dropout', 'with_train'), # fails on cuda, runs okay on cpu |
| skip('nn.functional.feature_alpha_dropout', 'without_train'), # fails on cuda, runs okay on cpu |
| skip('pca_lowrank', ''), # fails on cuda, runs okay on cpu |
| skip('svd_lowrank', ''), # fails on cuda, runs okay on cpu |
| skip('nn.functional.dropout2d', ''), # fails on cuda, runs okay on cpu |
| |
| # The following don't have a forward-mode AD formula in PyTorch core |
| # (check derivatives.yaml). |
| xfail('var_mean'), |
| xfail('std_mean'), |
| |
| # ============================================= |
| # NB: The above failures also fail using PyTorch core's |
| # forward-mode AD and vmap. |
| # The failures below are functorch-specific issues |
| # ============================================= |
| |
| # Composite ops that do bad things. Need to be fixed in PyTorch core. |
| # RuntimeError: Cannot access data pointer of Tensor that doesn't have storage |
| xfail('tensor_split'), |
| |
| skip('bernoulli'), # cuda set seed randomness issues |
| })) |
| @opsToleranceOverride('TestOperators', 'test_jvp', ( |
| tol1('nn.functional.conv_transpose3d', |
| {torch.float32: tol(atol=1e-04, rtol=1.3e-06)}, device_type='cuda'), |
| tol1('nn.functional.binary_cross_entropy_with_logits', |
| {torch.float32: tol(atol=4e-04, rtol=4e-04)}), |
| )) |
| def test_jvp(self, device, dtype, op): |
| # TODO: when we change supports_autograd to supports_backward_ad, also change in this file |
| if not op.supports_forward_ad: |
| self.skipTest("Skipped! Forward AD not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| for sample in samples: |
| # NB: we used requires_grad=True to determine where the primals are, |
| # but don't need that information otherwise |
| fn, primals = normalize_op_input_output(op, sample, requires_grad=True) |
| primals = tree_map(lambda x: x.detach(), primals) |
| tangents = tree_map(lambda x: torch.randn_like(x), primals) |
| primal_outs, tangent_outs = jvp(fn, primals, tangents) |
| expected_primal_outs, expected_tangent_outs = ref_jvp(fn, primals, tangents) |
| self.assertEqual(primal_outs, expected_primal_outs) |
| self.assertEqual(tangent_outs, expected_tangent_outs) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @skipOps('TestOperators', 'test_vjp', vjp_fail.union({ |
| skip('nn.functional.fractional_max_pool2d'), # fails on cpu, runs okay on cuda |
| skip('nn.functional.fractional_max_pool3d'), # fails on cpu, runs okay on cuda |
| xfail('nn.functional.feature_alpha_dropout', 'with_train'), |
| xfail('pca_lowrank', ''), |
| xfail('nn.functional.dropout2d', ''), |
| xfail('nn.functional.feature_alpha_dropout', 'without_train'), |
| xfail('svd_lowrank', ''), |
| })) |
| @opsToleranceOverride('TestOperators', 'test_vjp', ( |
| tol1('nn.functional.conv_transpose3d', |
| {torch.float32: tol(atol=5e-05, rtol=9e-05)}, device_type='cuda'), |
| tol1('nn.functional.binary_cross_entropy_with_logits', |
| {torch.float32: tol(atol=1e-04, rtol=1e-04)}), |
| )) |
| def test_vjp(self, device, dtype, op): |
| if not op.supports_autograd: |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| def _test(_op): |
| for sample in samples: |
| fn, primals = normalize_op_input_output(_op, sample) |
| result = fn(*primals) |
| cotangents = tree_map(lambda x: torch.randn_like(x), result) |
| |
| out, vjp_fn = vjp(fn, *primals) |
| self.assertEqual(out, result) |
| result_vjps = vjp_fn(cotangents) |
| |
| _, vjp_fn = ref_vjp(fn, *primals) |
| expected_vjps = vjp_fn(cotangents) |
| |
| self.assertEqual(result_vjps, expected_vjps) |
| |
| _test(op) |
| for a_op in op.aliases: |
| _test(a_op) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @skipOps('TestOperators', 'test_vjpvjp', vjp_fail.union({ |
| skip('nn.functional.fractional_max_pool2d'), # fails on cuda, runs okay on cpu |
| skip('nn.functional.max_unpool1d'), # Flaky |
| skip('nn.functional.max_unpool2d'), # Flaky |
| xfail('nn.functional.fractional_max_pool3d'), |
| xfail('nn.functional.binary_cross_entropy'), # testing problem |
| xfail('nn.functional.max_unpool1d', '', device_type='cpu'), |
| xfail('nn.functional.max_unpool2d', ''), |
| })) |
| @opsToleranceOverride('TestOperators', 'test_vjpvjp', ( |
| tol1('nn.functional.conv_transpose3d', |
| {torch.float32: tol(atol=5e-05, rtol=9e-05)}, device_type='cuda'), |
| )) |
| def test_vjpvjp(self, device, dtype, op): |
| if not op.supports_autograd: |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| if not op.supports_gradgrad: |
| self.skipTest("Skipped! Operation does not support gradgrad") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| for sample in samples: |
| fn, args = get_vjpfull_variant(op, sample) |
| result = fn(*args) |
| cotangents = tree_map(lambda x: torch.randn_like(x), result) |
| |
| # Compute vjp of vjp |
| _, vjp_fn = vjp(fn, *args) |
| result_vjps = vjp_fn(cotangents) |
| |
| # Compute ref_vjp of vjp. We could have done ref_vjp of ref_vjp, |
| # but since we're confident that vjp works by itself, this is |
| # an equivalent way to test that. |
| _, vjp_fn = ref_vjp(fn, *args) |
| expected_vjps = vjp_fn(cotangents) |
| |
| self.assertEqual(result_vjps, expected_vjps) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @toleranceOverride({torch.float32: tol(atol=1e-04, rtol=1e-04)}) |
| def test_vmapvjpvjp(self, device, dtype, op): |
| self.skipTest("Skipped; these tests take too long") |
| op_skip = set({ |
| }) |
| op_skip = op_skip.union(vjp_fail) |
| if op.name in op_skip: |
| self.skipTest("Skipped; Expected failures") |
| return |
| |
| if not op.supports_autograd: |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| if not op.supports_gradgrad: |
| self.skipTest("Skipped! Operation does not support gradgrad") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| for sample in samples: |
| fn, args = get_vjpfull_variant(op, sample) |
| result = fn(*args) |
| cotangents = tree_map(lambda x: torch.randn_like(x), result) |
| cotangents, _ = tree_flatten(cotangents) |
| num_args = len(args) |
| |
| args_and_cotangents = tuple(args) + tuple(cotangents) |
| |
| def vjp_of_vjp(*args_and_cotangents): |
| args = args_and_cotangents[:num_args] |
| cotangents = args_and_cotangents[num_args:] |
| result, vjp_fn = vjp(fn, *args) |
| result_vjps = vjp_fn(cotangents) |
| result, _ = tree_flatten(result) |
| result_vjps, _ = tree_flatten(result_vjps) |
| return (*result, *result_vjps) |
| |
| generator = get_fallback_and_vmap_exhaustive(vjp_of_vjp, args_and_cotangents, {}, opinfo=op) |
| for loop_out, batched_out in generator: |
| self.assertEqual(loop_out, batched_out) |
| |
| vmapvjp_fail = vjp_fail.union({ |
| # The following are not bugs and are expected behavior |
| xfail('fill_'), # Not possible, wontfix |
| xfail('masked_select'), # Not possible due to dynamic shapes |
| skip('bernoulli'), # randomness |
| skip('normal', ''), # randomness |
| skip('normal', 'number_mean'), # randomness |
| xfail('nn.functional.dropout'), # randomness |
| xfail('as_strided'), # as_strided is too wild for us to support, wontfix |
| xfail('index_put', ''), # not possible due to dynamic shapes; we support a subset |
| xfail('masked_scatter'), # dynamic |
| xfail('nn.functional.fractional_max_pool2d'), # random |
| xfail('nn.functional.fractional_max_pool3d'), # random |
| xfail('take'), # dynamic |
| |
| # All of the following are bugs and need to be fixed |
| skip('linalg.svdvals'), # # really annoying thing where it passes correctness check but not has_batch_rule |
| xfail('__getitem__', ''), |
| xfail('_masked.prod'), # calls aten::item |
| xfail('block_diag'), |
| xfail('eig'), # calls aten::item |
| xfail('linalg.det', ''), # calls .item() |
| xfail('linalg.eig'), # Uses aten::allclose |
| xfail('linalg.eigh'), # needs diag_scatter |
| xfail('linalg.householder_product'), # needs select_scatter |
| xfail('linalg.matrix_norm'), |
| xfail('linalg.norm'), |
| xfail('linalg.norm', 'subgradients_at_zero'), |
| xfail('linalg.slogdet'), # calls .item() |
| xfail('logdet'), # calls .item() |
| xfail('lu_solve'), # requires .contiguous() call somewhere rather than fallback |
| xfail('lu_unpack'), # would benefit from narrow_scatter |
| xfail('matrix_exp'), # would benefit from narrow_scatter |
| xfail('nanquantile'), # checks q via a .item() call |
| xfail('nn.functional.gaussian_nll_loss'), # checks var for if any value < 0 |
| xfail('prod'), # calls nonzero |
| xfail('put'), |
| xfail('quantile'), # checks q via a .item() call |
| xfail('stft'), |
| xfail('symeig'), # would benefit from diag_scatter |
| xfail('view_as_complex'), |
| |
| # required rank 4 tensor to use channels_last format |
| xfail('bfloat16'), |
| xfail('double'), |
| xfail('float'), |
| xfail('half'), |
| }) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @toleranceOverride({torch.float32: tol(atol=1e-04, rtol=1e-04)}) |
| @skipOps('TestOperators', 'test_vmapvjp', vmapvjp_fail) |
| def test_vmapvjp(self, device, dtype, op): |
| if not op.supports_autograd: |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| for sample in samples: |
| cotangents = get_sample_cotangents(op, sample) |
| fn, args = get_vjp_fn_and_args_with_cotangents(op, sample, cotangents) |
| for loop_out, batched_out in get_fallback_and_vmap_exhaustive(fn, args, {}, opinfo=op): |
| self.assertEqual(loop_out, batched_out) |
| |
| # There are several variations we care about |
| # 1) primal batched (TODO) |
| # 2) tangent batched (batched grads) <-- |
| # 3) both batched (TODO) |
| # The below tests (2) only. |
| @ops(functorch_lagging_op_db, allowed_dtypes=(torch.float,)) |
| @toleranceOverride({torch.float32: tol(atol=1e-04, rtol=1e-04)}) |
| @skipOps('TestOperators', 'test_vmapjvp', { |
| skip('nn.functional.dropout'), # randomness |
| skip('nn.functional.rrelu'), # randomness |
| skip('nn.functional.fractional_max_pool2d'), # randomness |
| skip('nn.functional.fractional_max_pool3d'), # randomness |
| skip('bernoulli', ''), # randomness |
| skip('nn.functional.max_pool1d'), # fails on cpu, runs on cuda |
| |
| # TODO: fails in core due to in-place batched nto non-batched |
| # but fails here for a different reason |
| xfail('linalg.householder_product'), |
| |
| # Try to in-place batched tensor into non-batched tensor |
| xfail('matrix_exp'), |
| xfail('fill_'), |
| xfail('block_diag'), # TODO: We expect this to fail in core, but it doesn't |
| |
| # Apprently these support forward AD, but we get "Trying to use forward AD..." |
| # These are cases where OpInfo has supports_forward_ad=True, but disables |
| # the test |
| xfail('var_mean'), |
| xfail('std_mean'), |
| |
| # RuntimeError: expand: the number of sizes provided (1) must be greater or |
| # equal to the number of dimensions in the tensor (2) |
| xfail('nanquantile'), |
| xfail('quantile'), |
| |
| # Not implemented |
| xfail('scatter'), |
| |
| # ============================================= |
| # NB: The above failures also fail in PyTorch core. |
| # The failures below only fail in functorch |
| # ============================================= |
| |
| # Composite ops that do bad things. Need to be fixed in PyTorch core. |
| # RuntimeError: Cannot access data pointer of Tensor that doesn't have storage |
| xfail('tensor_split'), |
| |
| # Causing multiple forward mode AD issues, needs investigation |
| xfail('nn.functional.batch_norm'), |
| xfail('nn.functional.batch_norm', 'without_cudnn', device_type='cuda'), |
| |
| skip('nn.functional.feature_alpha_dropout', 'with_train'), |
| skip('pca_lowrank', ''), |
| skip('nn.functional.dropout2d', ''), |
| skip('nn.functional.feature_alpha_dropout', 'without_train'), |
| skip('svd_lowrank', ''), |
| xfail('nn.functional.soft_margin_loss', ''), |
| xfail('stft'), # something weird is happening with shapes |
| |
| xfail('double'), # required rank 4 tensor to use channels_last format |
| }) |
| def test_vmapjvp(self, device, dtype, op): |
| if is_inplace(op, op.get_op()): |
| # TODO: test in-place |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=False) |
| |
| if not op.supports_forward_ad: |
| self.skipTest("Skipped! Forward AD not supported.") |
| return |
| |
| for sample in samples: |
| arg_values = [sample.input] + list(sample.args) |
| kwarg_values = sample.kwargs |
| args = tuple([*arg_values, *kwarg_values]) |
| fn, args = get_jvp_variant(op, sample) |
| for loop_out, batched_out in get_fallback_and_vmap_exhaustive(fn, args, {}, opinfo=op, bdims=(0,)): |
| self.assertEqual(loop_out, batched_out) |
| |
| vmapjvpall_fail = { |
| # The following are expected (not a bug) |
| skip('bernoulli', ''), # randomness |
| skip('nn.functional.dropout'), # randomness |
| skip('nn.functional.rrelu'), # randomness |
| skip('nn.functional.dropout2d', ''), |
| skip('nn.functional.feature_alpha_dropout', 'without_train'), |
| skip('nn.functional.feature_alpha_dropout', 'with_train'), |
| xfail('nn.functional.fractional_max_pool2d'), # Cannot access data pointer of Tensor that doesn't have storage |
| xfail('nn.functional.fractional_max_pool3d'), # Cannot access data pointer of Tensor that doesn't have storage |
| |
| # The following are bugs that we should fix |
| skip('nn.functional.max_pool1d'), # fails on cpu, runs on cuda |
| xfail('_masked.mean', device_type='cuda'), |
| xfail('_masked.prod', device_type='cuda'), |
| xfail('nn.functional.batch_norm', device_type='cuda'), |
| xfail('nn.functional.batch_norm', 'without_cudnn', device_type='cuda'), |
| xfail('nn.functional.hinge_embedding_loss', device_type='cuda'), |
| |
| # Causing issues with multiple cpu levels of forward mode AD |
| xfail('_masked.mean', device_type='cpu'), |
| xfail('_masked.prod', device_type='cpu'), |
| xfail('nn.functional.batch_norm', device_type='cpu'), |
| xfail('nn.functional.hinge_embedding_loss', device_type='cpu'), |
| |
| xfail('nn.functional.soft_margin_loss', ''), |
| xfail('linalg.norm', 'subgradients_at_zero'), |
| xfail('nn.functional.binary_cross_entropy_with_logits', ''), |
| xfail('linalg.norm'), |
| xfail('linalg.householder_product'), |
| xfail('tensor_split'), |
| xfail('quantile'), |
| xfail('var_mean'), |
| xfail('as_strided'), |
| xfail('fill_'), |
| xfail('nn.functional.gaussian_nll_loss'), |
| xfail('std_mean'), |
| xfail('block_diag'), |
| xfail('scatter'), |
| xfail('matrix_exp'), |
| xfail('nanquantile'), |
| xfail('view_as_complex'), |
| xfail('prod'), |
| |
| skip('pca_lowrank', ''), |
| skip('svd_lowrank', ''), |
| |
| xfail('stft'), # transpose_ fallback |
| |
| xfail('double'), # required rank 4 tensor to use channels_last format |
| } |
| |
| @ops(functorch_lagging_op_db, allowed_dtypes=(torch.float,)) |
| @opsToleranceOverride('TestOperators', 'test_vmapjvpall', ( |
| tol1('nn.functional.conv_transpose3d', |
| {torch.float32: tol(atol=2e-04, rtol=9e-3)}, device_type='cuda'), |
| )) |
| @skipOps('TestOperators', 'test_vmapjvpall', vmapjvpall_fail) |
| @toleranceOverride({torch.float32: tol(atol=1e-04, rtol=1e-04)}) |
| # This is technically a superset of test_vmapjvp. We should either delete test_vmapjvp |
| # or figure out if we can split vmapjvpall. It's useful to keep test_vmapjvp intact |
| # because that coresponds to "batched forward-mode AD" testing in PyTorch core |
| def test_vmapjvpall(self, device, dtype, op): |
| if is_inplace(op, op.get_op()): |
| # TODO: test in-place |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=False) |
| |
| if not op.supports_forward_ad: |
| self.skipTest("Skipped! Forward AD not supported.") |
| return |
| |
| for sample in samples: |
| arg_values = [sample.input] + list(sample.args) |
| kwarg_values = sample.kwargs |
| args = tuple([*arg_values, *kwarg_values]) |
| fn, args = get_jvp_variant_primals_tangents(op, sample) |
| for loop_out, batched_out in get_fallback_and_vmap_exhaustive(fn, args, {}, opinfo=op): |
| self.assertEqual(loop_out, batched_out) |
| |
| @ops(functorch_lagging_op_db, allowed_dtypes=(torch.float,)) |
| @skipOps('TestOperators', 'test_vmapjvpall_has_batch_rule', vmapjvpall_fail.union({ |
| xfail('linalg.solve_triangular'), |
| xfail('nn.functional.huber_loss'), |
| xfail('nn.functional.poisson_nll_loss'), |
| xfail('lu'), |
| xfail('cumprod'), |
| xfail('lu_solve'), |
| xfail('linalg.lstsq', 'grad_oriented'), |
| xfail('linalg.cholesky'), |
| xfail('linalg.qr'), |
| xfail('cross'), |
| xfail('qr'), |
| xfail('linalg.pinv'), |
| xfail('masked_fill'), |
| xfail('copysign'), |
| xfail('linalg.solve'), |
| xfail('linalg.eig'), |
| xfail('complex'), |
| xfail('linalg.pinv', 'hermitian'), |
| xfail('pinverse'), |
| skip('_masked.mean'), # ??? |
| xfail('linalg.cholesky_ex'), |
| xfail('masked_scatter'), |
| xfail('index_fill'), |
| xfail('take'), |
| xfail('linalg.eigvals'), |
| xfail('linalg.qr'), |
| xfail('linalg.tensorsolve'), |
| xfail('nn.functional.max_pool3d'), |
| xfail('vdot'), |
| xfail('linalg.cross'), |
| xfail('nn.functional.feature_alpha_dropout', 'without_train'), |
| xfail('linalg.lu_factor', ''), |
| xfail('nn.functional.dropout2d', ''), |
| xfail('nn.functional.kl_div', ''), |
| xfail('pca_lowrank', ''), |
| xfail('svd_lowrank', ''), |
| xfail('linalg.lu_factor_ex', ''), |
| xfail('nn.functional.feature_alpha_dropout', 'with_train'), |
| xfail('special.log_ndtr', ''), |
| xfail('fft.ihfft2'), # conj_physical fallback |
| xfail('fft.ihfftn'), # conj_physical fallback |
| xfail('istft'), # col2im fallback |
| xfail('polar'), # complex fallback |
| xfail('nn.functional.l1_loss', ''), |
| xfail('nn.functional.max_unpool3d', 'grad'), |
| xfail('nn.functional.smooth_l1_loss', ''), |
| xfail('nn.functional.max_unpool2d', 'grad'), |
| xfail('nn.functional.soft_margin_loss', ''), |
| xfail('nn.functional.binary_cross_entropy_with_logits', ''), |
| xfail('linalg.norm', 'subgradients_at_zero'), |
| xfail('nn.functional.max_unpool1d', 'grad'), |
| })) |
| @toleranceOverride({torch.float32: tol(atol=1e-04, rtol=1e-04)}) |
| def test_vmapjvpall_has_batch_rule(self, device, dtype, op): |
| if is_inplace(op, op.get_op()): |
| # TODO: test in-place |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=False) |
| |
| if not op.supports_forward_ad: |
| self.skipTest("Skipped! Forward AD not supported.") |
| return |
| |
| def test(): |
| for sample in samples: |
| arg_values = [sample.input] + list(sample.args) |
| kwarg_values = sample.kwargs |
| args = tuple([*arg_values, *kwarg_values]) |
| fn, args = get_jvp_variant_primals_tangents(op, sample) |
| for loop_out, batched_out in get_fallback_and_vmap_exhaustive( |
| fn, args, {}, opinfo=op, compute_loop_out=False): |
| pass |
| check_vmap_fallback(self, test, op, dry_run=False) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @toleranceOverride({torch.float32: tol(atol=1e-04, rtol=1e-04)}) |
| @skipOps('TestOperators', 'test_vmapvjp_has_batch_rule', vmapvjp_fail.union({ |
| xfail('view_as_complex'), |
| xfail('__getitem__', ''), |
| xfail('cholesky'), |
| xfail('complex'), |
| xfail('copysign'), |
| xfail('cummax'), |
| xfail('cummin'), |
| xfail('cumprod'), |
| xfail('eig'), |
| xfail('nansum'), |
| xfail('nanmean'), |
| xfail('fmin'), |
| xfail('fmax'), |
| xfail('special.log_ndtr'), |
| xfail('fill_'), |
| xfail('index_copy'), |
| xfail('index_fill'), |
| xfail('linalg.cholesky'), |
| xfail('linalg.cholesky_ex'), |
| xfail('linalg.det'), |
| xfail('linalg.eig'), |
| xfail('linalg.eigh'), |
| xfail('linalg.eigvals'), |
| xfail('linalg.householder_product'), |
| xfail('linalg.lstsq', ''), |
| xfail('linalg.lstsq', 'grad_oriented'), |
| xfail('linalg.matrix_norm'), |
| xfail('linalg.norm'), |
| xfail('linalg.pinv'), |
| xfail('linalg.qr'), |
| xfail('linalg.pinv', 'hermitian'), |
| xfail('linalg.slogdet'), |
| xfail('linalg.solve'), |
| xfail('logdet'), |
| xfail('lu'), |
| xfail('lu_solve'), |
| xfail('lu_unpack'), |
| xfail('masked_fill'), |
| xfail('masked_scatter'), |
| xfail('masked_select'), |
| xfail('matrix_exp'), |
| xfail('nanquantile'), |
| xfail('pinverse'), |
| xfail('prod'), |
| xfail('put'), |
| xfail('quantile'), |
| xfail('renorm'), |
| xfail('solve'), |
| xfail('symeig'), |
| xfail('take'), |
| xfail('tensor_split'), |
| xfail('to_sparse'), |
| xfail('unfold'), |
| xfail('vdot'), |
| xfail('block_diag'), |
| xfail('nn.functional.dropout'), |
| xfail('_masked.prod'), |
| xfail('fft.ihfft2'), |
| xfail('fft.ihfftn'), |
| xfail('cross'), |
| xfail('linalg.cross'), |
| xfail('nn.functional.gaussian_nll_loss'), |
| xfail('nn.functional.huber_loss'), |
| xfail('nn.functional.poisson_nll_loss'), |
| xfail('nn.functional.bilinear'), |
| xfail('nn.functional.fractional_max_pool3d'), |
| xfail('as_strided'), |
| xfail('linalg.solve_triangular'), |
| xfail('stft'), |
| xfail('nn.functional.rrelu'), |
| xfail('nn.functional.embedding_bag'), |
| xfail('nn.functional.max_pool3d'), |
| xfail('istft'), |
| xfail('nn.functional.fractional_max_pool2d'), |
| xfail('linalg.tensorsolve'), |
| xfail('linalg.lu_factor', ''), |
| xfail('nn.functional.feature_alpha_dropout', 'with_train'), |
| xfail('nn.functional.kl_div', ''), |
| xfail('pca_lowrank', ''), |
| xfail('nn.functional.dropout2d', ''), |
| xfail('nn.functional.feature_alpha_dropout', 'without_train'), |
| xfail('svd_lowrank', ''), |
| xfail('linalg.lu_factor_ex', ''), |
| |
| xfail('nn.functional.max_unpool2d', ''), |
| xfail('nn.functional.multi_margin_loss', ''), |
| xfail('nn.functional.multilabel_margin_loss', ''), |
| xfail('nn.functional.pdist', ''), |
| xfail('nn.functional.smooth_l1_loss', ''), |
| xfail('scatter_reduce', 'prod'), |
| xfail('scatter_reduce', 'amax'), |
| xfail('nn.functional.max_unpool1d', ''), |
| xfail('nn.functional.max_unpool3d', ''), |
| xfail('scatter_reduce', 'sum'), |
| xfail('scatter_reduce', 'mean'), |
| xfail('nn.functional.max_unpool3d', 'grad'), |
| xfail('nn.functional.soft_margin_loss', ''), |
| xfail('scatter_reduce', 'amin'), |
| xfail('nn.functional.max_unpool1d', 'grad'), |
| xfail('nn.functional.l1_loss', ''), |
| xfail('nn.functional.max_unpool2d', 'grad'), |
| xfail('qr'), |
| })) |
| def test_vmapvjp_has_batch_rule(self, device, dtype, op): |
| if not op.supports_autograd: |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| def test(): |
| for sample in samples: |
| cotangents = get_sample_cotangents(op, sample) |
| fn, args = get_vjp_fn_and_args_with_cotangents(op, sample, cotangents) |
| for loop_out, batched_out in get_fallback_and_vmap_exhaustive( |
| fn, args, {}, opinfo=op, compute_loop_out=False): |
| pass |
| for a_op in op.aliases: |
| fn, args = get_vjp_fn_and_args_with_cotangents(a_op, sample, cotangents) |
| for loop_out, batched_out in get_fallback_and_vmap_exhaustive( |
| fn, args, {}, opinfo=op, compute_loop_out=False): |
| pass |
| |
| check_vmap_fallback(self, test, op, dry_run=False) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @skipOps('TestOperators', 'test_vjpvmap', vjp_fail.union({ |
| skip('bernoulli', ''), # vjpvmap testing can't handle randomness |
| skip('normal', ''), # vjpvmap testing can't handle randomness |
| skip('normal', 'number_mean'), # vjpvmap testing can't handle randomness |
| |
| # fallback path doesn't work |
| # All of the following are bugs and need to be fixed |
| xfail('__getitem__', ''), |
| xfail('clamp', ''), |
| xfail('fill_'), |
| xfail('index_put', ''), |
| xfail('lu_solve'), |
| xfail('lu_unpack'), |
| xfail('matrix_exp'), |
| xfail('view_as_complex'), |
| xfail('nn.functional.gaussian_nll_loss'), |
| xfail('masked_select'), |
| skip('nn.functional.fractional_max_pool3d'), # generator works on cpu, fails on cuda |
| xfail('__rpow__'), # https://github.com/pytorch/functorch/issues/617 |
| xfail('as_strided'), |
| skip('nn.functional.fractional_max_pool2d'), # generator works on cpu, fails on cuda |
| skip('solve'), |
| xfail('column_stack', ''), |
| xfail('nn.functional.dropout2d', ''), |
| xfail('svd_lowrank', ''), |
| xfail('pca_lowrank', ''), |
| xfail('nn.functional.feature_alpha_dropout', 'without_train'), |
| xfail('nn.functional.feature_alpha_dropout', 'with_train'), |
| # something weird happening with channels_last |
| xfail('bfloat16'), |
| xfail('double'), |
| xfail('float'), |
| xfail('half'), |
| })) |
| def test_vjpvmap(self, device, dtype, op): |
| # NB: there is no vjpvmap_has_batch_rule test because that is almost |
| # certainly redundant with the vmap_has_batch_rule test in test_vmap.py |
| |
| # one-off skip |
| if op.name == 'nn.functional.dropout': |
| self.skipTest("Skipped!") |
| |
| if not op.supports_autograd: |
| # If the op doesn't support autograd, vmap(op) won't either |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| batch_norm_fns = ("nn.functional.batch_norm", "nn.functional.instance_norm") # instance norm calls batch norm |
| is_batch_norm = op.name in batch_norm_fns |
| |
| for sample in samples: |
| args = [sample.input] + list(sample.args) |
| kwargs = sample.kwargs |
| generator = get_exhaustive_batched_inputs(args, kwargs, for_batch_norm=is_batch_norm) |
| |
| for batched_args, in_dims, kwargs in generator: |
| vmapped_op = vmap(op, in_dims) |
| fn, primals = normalize_op_input_output2(vmapped_op, batched_args, kwargs, |
| sample.output_process_fn_grad) |
| result = fn(*primals) |
| cotangents = tree_map(lambda x: torch.randn_like(x), result) |
| |
| _, vjp_fn = vjp(fn, *primals) |
| result_vjps = vjp_fn(cotangents) |
| |
| _, vjp_fn = ref_vjp(fn, *primals) |
| expected_vjps = vjp_fn(cotangents) |
| |
| self.assertEqual(result_vjps, expected_vjps) |
| |
| @ops(functorch_lagging_op_db + additional_op_db, allowed_dtypes=(torch.float,)) |
| @skipOps('TestOperators', 'test_jvpvjp', vjp_fail.union({ |
| # These are weirdly non-deterministic |
| skip('nn.functional.fractional_max_pool2d'), # Random |
| skip('nn.functional.fractional_max_pool3d'), # Random |
| |
| # RuntimeError: Trying to set a forward gradient that has a different size than that of the original Tensor, |
| # this is not supported. Tensor is of size [5, 2, 3] while the given forward gradient is of size [1, 2, 3]. |
| xfail('normal', ''), |
| xfail('_masked.amax', ''), |
| xfail('_masked.amin', ''), |
| xfail('_masked.log_softmax', ''), |
| xfail('_masked.softmax', ''), |
| xfail('_masked.softmin', ''), |
| xfail('amax', ''), |
| xfail('amin', ''), |
| xfail('block_diag', ''), |
| xfail('cdist', ''), |
| xfail('cholesky', ''), |
| xfail('eig', ''), |
| xfail('linalg.det', ''), |
| xfail('linalg.matrix_norm', ''), |
| xfail('linalg.slogdet', ''), |
| xfail('logcumsumexp', ''), |
| xfail('logdet', ''), |
| xfail('lu', ''), |
| xfail('lu_solve', ''), |
| xfail('lu_unpack', ''), |
| xfail('nanmean', ''), |
| xfail('nansum', ''), |
| xfail('nn.functional.batch_norm', ''), |
| xfail('nn.functional.batch_norm', 'without_cudnn', device_type='cuda'), |
| xfail('nn.functional.bilinear', ''), |
| xfail('nn.functional.binary_cross_entropy', ''), |
| xfail('nn.functional.binary_cross_entropy_with_logits', ''), |
| xfail('nn.functional.embedding', ''), |
| xfail('nn.functional.embedding', 'functorch'), |
| xfail('nn.functional.embedding_bag', ''), |
| xfail('nn.functional.glu', ''), |
| xfail('nn.functional.grid_sample', ''), |
| xfail('nn.functional.hardsigmoid', ''), |
| xfail('nn.functional.hardswish', ''), |
| xfail('nn.functional.huber_loss', ''), |
| xfail('nn.functional.instance_norm', ''), |
| xfail('nn.functional.layer_norm', ''), |
| xfail('nn.functional.logsigmoid', ''), |
| xfail('nn.functional.pad', 'circular'), |
| xfail('nn.functional.prelu', ''), |
| xfail('nn.functional.softmin', ''), |
| xfail('nn.functional.softmin', 'with_dtype'), |
| xfail('nn.functional.softplus', ''), |
| xfail('put', ''), |
| xfail('renorm', ''), |
| xfail('solve', ''), |
| xfail('std_mean', ''), |
| xfail('symeig', ''), |
| xfail('take', ''), |
| xfail('var_mean', ''), |
| xfail('linalg.lu_factor', ''), |
| xfail('nn.functional.feature_alpha_dropout', 'with_train'), |
| xfail('nn.functional.kl_div', ''), |
| xfail('pca_lowrank', ''), |
| xfail('nn.functional.dropout2d', ''), |
| xfail('nn.functional.feature_alpha_dropout', 'without_train'), |
| xfail('svd_lowrank', ''), |
| xfail('linalg.lu_factor_ex', ''), |
| xfail('nn.functional.max_unpool2d', 'grad'), |
| xfail('nn.functional.multilabel_margin_loss', ''), |
| xfail('nn.functional.multilabel_soft_margin_loss', ''), |
| xfail('scatter_reduce', 'amax'), |
| xfail('scatter_reduce', 'amin'), |
| xfail('nn.functional.max_unpool1d', 'grad'), |
| xfail('nn.functional.max_unpool1d', ''), |
| xfail('nn.functional.soft_margin_loss', ''), |
| xfail('nn.functional.pdist', ''), |
| xfail('scatter_reduce', 'sum'), |
| xfail('nn.functional.multi_margin_loss', ''), |
| xfail('nn.functional.max_unpool3d', 'grad'), |
| xfail('nn.functional.smooth_l1_loss', ''), |
| xfail('nn.functional.max_unpool2d', ''), |
| xfail('scatter_reduce', 'mean'), |
| xfail('scatter_reduce', 'prod'), |
| xfail('nn.functional.max_unpool3d', ''), |
| skip('linalg.householder_product', '', device_type='cuda'), # flaky, I'm not sure why |
| })) |
| def test_jvpvjp(self, device, dtype, op): |
| if not op.supports_autograd: |
| self.skipTest("Skipped! Autograd not supported.") |
| return |
| |
| samples = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| # TODO: test in-place |
| if is_inplace(op, op.get_op()): |
| self.skipTest("Skipped! NYI: inplace-testing not supported.") |
| return |
| |
| for sample in samples: |
| fn, primals = normalize_op_input_output(op, sample) |
| result = fn(*primals) |
| cotangents = tree_map(lambda x: torch.randn_like(x), result) |
| |
| primals_tangents = tree_map(lambda x: torch.randn_like(x), primals) |
| cotangents_tangents = tree_map(lambda x: torch.randn_like(x), cotangents) |
| |
| def push_vjp(primals, cotangents): |
| _, vjp_fn = vjp(fn, *primals) |
| return vjp_fn(cotangents) |
| |
| result = jvp(push_vjp, (primals, cotangents), (primals_tangents, cotangents_tangents)) |
| self.assertEqual(len(result), 2) |
| |
| def tree_map2(fn, first, second): |
| flat_first, spec_first = tree_flatten(first) |
| flat_second, spec_second = tree_flatten(second) |
| assert spec_first == spec_second |
| flat_result = [fn(f, s) for f, s in zip(flat_first, flat_second)] |
| return tree_unflatten(flat_result, spec_first) |
| |
| def reference(primals, cotangents, primals_tangents, cotangents_tangents): |
| with fwAD.dual_level(): |
| primal_duals = tree_map2(fwAD.make_dual, primals, primals_tangents) |
| _, vjp_fn = ref_vjp(fn, *primal_duals) |
| |
| cotangent_duals = tree_map2(fwAD.make_dual, cotangents, cotangents_tangents) |
| result = vjp_fn(cotangent_duals) |
| |
| flat_result, spec = tree_flatten(result) |
| primals_out, tangents_out = zip(*[fwAD.unpack_dual(r) for r in flat_result]) |
| tangents_out = [t if t is not None else torch.zeros_like(p) |
| for p, t in zip(primals_out, tangents_out)] |
| expected = (tree_unflatten(primals_out, spec), tree_unflatten(tangents_out, spec)) |
| return expected |
| |
| def compare_jacobians(primals, cotangents): |
| def get_vjp(primals, cotangents): |
| _, vjp_fn = vjp(fn, *primals) |
| return vjp_fn(cotangents) |
| |
| jacobian_jvp = jacfwd(get_vjp, (0, 1))(primals, cotangents) |
| jacobian_vjp = jacrev(get_vjp, (0, 1))(primals, cotangents) |
| |
| # For dtype changing operations, the jacobians have different dtype. |
| jacobian_jvp = tree_map(lambda x: x.to(torch.float), jacobian_jvp) |
| jacobian_vjp = tree_map(lambda x: x.to(torch.float), jacobian_vjp) |
| |
| self.assertEqual(jacobian_jvp, jacobian_vjp) |
| |
| # HACK: obviously pytorch should also have the same coverage |
| # For things that do have the same coverage, we test that jvp x vjp |
| # are the same between PyTorch and functorch. For things that don't, |
| # we check that jacfwd(vjp) and jacrev(vjp) are the same. This results |
| # in slower tests. |
| FUNCTORCH_HAS_FORMULA_BUT_NOT_PYTORCH = { |
| 'nn.functional.nll_loss', |
| 'nn.functional.l1_loss', |
| 'nn.functional.mse_loss', |
| 'softmax', |
| 'log_softmax', |
| 'nn.functional.cross_entropy' |
| } |
| if op.name in FUNCTORCH_HAS_FORMULA_BUT_NOT_PYTORCH: |
| compare_jacobians(primals, cotangents) |
| return |
| |
| expected = reference(primals, cotangents, primals_tangents, cotangents_tangents) |
| self.assertEqual(result, expected) |
| |
| @ops(filter(lambda op: op.name == "nn.functional.group_norm", functorch_lagging_op_db + additional_op_db), |
| allowed_dtypes=(torch.float32, torch.double)) # TODO: generalize |
| def test_group_norm_backward(self, device, dtype, op): |
| # hacky, only works since no group norm inputs can be scalars |
| def was_skipped_from_batched_tensors(batched_out, batch_size): |
| return batched_out.shape == (batch_size,) and all(tuple(e == 1 for e in batched_out)) |
| |
| sample_inputs = op.sample_inputs(device, dtype, requires_grad=True) |
| |
| for sample_input in sample_inputs: |
| cotangents = get_sample_cotangents(op, sample_input) |
| f, args = get_autograd_fn_and_args_with_cotangents(op, sample_input, cotangents) |
| for loop_out, batched_out in get_fallback_and_vmap_exhaustive(f, args, {}, opinfo=op): |
| if all(was_skipped_from_batched_tensors(bo, lo.shape[0]) for (bo, lo) in zip(batched_out, loop_out)): |
| continue # we weren't able to use the batched tensor in autograd.grad |
| self.assertEqual(loop_out, batched_out) |
| |
| |
| only_for = ("cpu", "cuda") |
| instantiate_device_type_tests(TestOperators, globals(), only_for=only_for) |
| |
| if __name__ == '__main__': |
| run_tests() |
