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2024-09-27 nightly release (5904f0d)
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Original file line number | Diff line number | Diff line change |
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#!/usr/bin/env python3 | ||
# Copyright (c) Meta Platforms, Inc. and 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. | ||
|
||
# pyre-strict | ||
|
||
import inspect | ||
import unittest | ||
from typing import Any, Collection, List, Mapping, Optional, Set, Tuple, Union | ||
|
||
import torch | ||
from torch import optim | ||
|
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from torchrec.distributed.types import ShardedTensor | ||
from torchrec.optim.keyed import CombinedOptimizer, KeyedOptimizer | ||
from torchrec.schema.utils import is_signature_compatible | ||
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||
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class StableKeyedOptimizer(optim.Optimizer): | ||
def __init__( | ||
self, | ||
params: Mapping[str, Union[torch.Tensor, ShardedTensor]], | ||
# pyre-ignore [2] | ||
state: Mapping[Any, Any], | ||
param_groups: Collection[Mapping[str, Any]], | ||
) -> None: | ||
pass | ||
|
||
def init_state( | ||
self, | ||
sparse_grad_parameter_names: Optional[Set[str]] = None, | ||
) -> None: | ||
pass | ||
|
||
def save_param_groups(self, save: bool) -> None: | ||
pass | ||
|
||
# pyre-ignore [2] | ||
def add_param_group(self, param_group: Any) -> None: | ||
pass | ||
|
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def load_state_dict(self, state_dict: Mapping[str, Any]) -> None: | ||
pass | ||
|
||
|
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class StableCombinedOptimizer(KeyedOptimizer): | ||
def __init__( | ||
self, | ||
optims: List[Union[KeyedOptimizer, Tuple[str, KeyedOptimizer]]], | ||
) -> None: | ||
pass | ||
|
||
@property | ||
def optimizers(self) -> List[Tuple[str, StableKeyedOptimizer]]: | ||
return [] | ||
|
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@staticmethod | ||
def prepend_opt_key(name: str, opt_key: str) -> str: | ||
return "" | ||
|
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@property | ||
def param_groups(self) -> Collection[Mapping[str, Any]]: | ||
return [] | ||
|
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@property | ||
def params(self) -> Mapping[str, Union[torch.Tensor, ShardedTensor]]: | ||
return {} | ||
|
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def post_load_state_dict(self) -> None: | ||
pass | ||
|
||
def save_param_groups(self, save: bool) -> None: | ||
pass | ||
|
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# pyre-ignore [2] | ||
def step(self, closure: Any = None) -> None: | ||
pass | ||
|
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def zero_grad(self, set_to_none: bool = False) -> None: | ||
pass | ||
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class TestOptimizerSchema(unittest.TestCase): | ||
def test_keyed_optimizer(self) -> None: | ||
stable_keyed_optimizer_funcs = inspect.getmembers( | ||
StableKeyedOptimizer, predicate=inspect.isfunction | ||
) | ||
|
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for func_name, stable_func in stable_keyed_optimizer_funcs: | ||
self.assertTrue(getattr(KeyedOptimizer, func_name, None) is not None) | ||
self.assertTrue( | ||
is_signature_compatible( | ||
inspect.signature(stable_func), | ||
inspect.signature(getattr(KeyedOptimizer, func_name)), | ||
) | ||
) | ||
|
||
def test_combined_optimizer(self) -> None: | ||
stable_combined_optimizer_funcs = inspect.getmembers( | ||
StableCombinedOptimizer, predicate=inspect.isfunction | ||
) | ||
|
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for func_name, stable_func in stable_combined_optimizer_funcs: | ||
self.assertTrue(getattr(CombinedOptimizer, func_name, None) is not None) | ||
self.assertTrue( | ||
is_signature_compatible( | ||
inspect.signature(stable_func), | ||
inspect.signature(getattr(CombinedOptimizer, func_name)), | ||
) | ||
) |