Configuration for SLIDE optimizer.

Inherits From: BaseOptimizerConfig, Config, ParamsDict

Details coming soon.


default_params Dataclass field
restrictions Dataclass field
clipnorm Dataclass field
clipvalue Dataclass field
global_clipnorm Dataclass field
name Dataclass field
beta_1 Dataclass field
beta_2 Dataclass field
epsilon Dataclass field
weight_decay_rate Dataclass field
weight_decay_type Dataclass field
exclude_from_weight_decay Dataclass field
exclude_from_layer_adaptation Dataclass field
include_in_sparse_layer_adaptation Dataclass field
sparse_layer_learning_rate Dataclass field
do_gradient_rescaling Dataclass field
norm_type Dataclass field
ratio_clip_norm Dataclass field



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Returns a dict representation of params_dict.ParamsDict.

For the nested params_dict.ParamsDict, a nested dict will be returned.


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Builds a config from the given list of arguments.


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Wrapper for from_yaml.


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Accesses through built-in dictionary get method.


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Makes the ParamsDict immutable.


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Override the ParamsDict with a set of given params.

override_params a dict or a ParamsDict specifying the parameters to be overridden.
is_strict a boolean specifying whether override is strict or not. If True, keys in override_params must be present in the ParamsDict. If False, keys in override_params can be different from what is currently defined in the ParamsDict. In this case, the ParamsDict will be extended to include the new keys.


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Overrides/returns a unlocked copy with the current config unchanged.


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Validate the parameters consistency based on the restrictions.

This method validates the internal consistency using the pre-defined list of restrictions. A restriction is defined as a string which specifies a binary operation. The supported binary operations are {'==', '!=', '<', '<=', '>', '>='}. Note that the meaning of these operators are consistent with the underlying Python immplementation. Users should make sure the define restrictions on their type make sense.

For example, for a ParamsDict like the following

  a1: 1
  a2: 2
    bb1: 10
    bb2: 20
    a1: 1
    a3: 3

one can define two restrictions like this ['a.a1 == b.ccc.a1', 'a.a2 <=']

What it enforces are

  • a.a1 = 1 == b.ccc.a1 = 1
  • a.a2 = 2 <= = 20

KeyError if any of the following happens (1) any of parameters in any of restrictions is not defined in ParamsDict, (2) any inconsistency violating the restriction is found.
ValueError if the restriction defined in the string is not supported.


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Implements the membership test operator.


IMMUTABLE_TYPES (<class 'str'>, <class 'int'>, <class 'float'>, <class 'bool'>, <class 'NoneType'>)
RESERVED_ATTR ['_locked', '_restrictions']
SEQUENCE_TYPES (<class 'list'>, <class 'tuple'>)
beta_1 0.9
beta_2 0.999
clipnorm None
clipvalue None
default_params None
do_gradient_rescaling True
epsilon 1e-06
exclude_from_layer_adaptation None
exclude_from_weight_decay None
global_clipnorm None
include_in_sparse_layer_adaptation None
name 'SLIDE'
norm_type 'layer'
ratio_clip_norm 100000.0
restrictions None
sparse_layer_learning_rate 0.1
weight_decay_rate 0.0
weight_decay_type 'inner'