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flujo tensor:: operaciones:: RecursoAplicarKerasMomentum
#include <training_ops.h>
Actualice '*var' según el esquema de impulso.
Resumen
Establece use_nesterov = True si
Quiero aprovechar el impulso de Nesterov.
acumulación = acumulación * impulso - lr * grad var += acumulación
Argumentos:
- alcance: un objeto de alcance
- var: debe ser de una variable().
- accum: Debe ser de una Variable().
- lr: Factor de escala. Debe ser un escalar.
- grad: El gradiente.
- impulso: impulso. Debe ser un escalar.
Atributos opcionales (ver Attrs
):
- use_locking: si es
True
, la actualización de los tensores var y accum estará protegida por un bloqueo; de lo contrario, el comportamiento no está definido, pero puede presentar menos contención. - use_nesterov: Si es
True
, el tensor pasado para calcular grad será var + impulso * accum, por lo que al final, el var que obtienes es en realidad var + impulso * accum.
Devoluciones:
Constructores y destructores |
---|
ResourceApplyKerasMomentum (const :: tensorflow::Scope & scope, :: tensorflow::Input var, :: tensorflow::Input accum, :: tensorflow::Input lr, :: tensorflow::Input grad, :: tensorflow::Input momentum)
|
ResourceApplyKerasMomentum (const :: tensorflow::Scope & scope, :: tensorflow::Input var, :: tensorflow::Input accum, :: tensorflow::Input lr, :: tensorflow::Input grad, :: tensorflow::Input momentum, const ResourceApplyKerasMomentum::Attrs & attrs) |
Atributos públicos
Funciones públicas
operador::tensorflow::Operación
operator::tensorflow::Operation() const
Funciones estáticas públicas
UsoBloqueo
Attrs UseLocking(
bool x
)
UsoNesterov
Attrs UseNesterov(
bool x
)
A menos que se indique lo contrario, el contenido de esta página está sujeto a la licencia Reconocimiento 4.0 de Creative Commons y las muestras de código están sujetas a la licencia Apache 2.0. Para obtener más información, consulta las políticas del sitio web de Google Developers. Java es una marca registrada de Oracle o sus afiliados.
Última actualización: 2025-07-26 (UTC).
[null,null,["Última actualización: 2025-07-26 (UTC)."],[],[],null,["# tensorflow::ops::ResourceApplyKerasMomentum Class Reference\n\ntensorflow::ops::ResourceApplyKerasMomentum\n===========================================\n\n`#include \u003ctraining_ops.h\u003e`\n\nUpdate '\\*var' according to the momentum scheme.\n\nSummary\n-------\n\nSet use_nesterov = True if you\n\nwant to use Nesterov momentum.\n\naccum = accum \\* momentum - lr \\* grad var += accum\n\nArguments:\n\n- scope: A [Scope](/versions/r1.15/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope) object\n- var: Should be from a Variable().\n- accum: Should be from a Variable().\n- lr: Scaling factor. Must be a scalar.\n- grad: The gradient.\n- momentum: Momentum. Must be a scalar.\n\n\u003cbr /\u003e\n\nOptional attributes (see [Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/resource-apply-keras-momentum/attrs#structtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1_1_attrs)):\n\n- use_locking: If `True`, updating of the var and accum tensors will be protected by a lock; otherwise the behavior is undefined, but may exhibit less contention.\n- use_nesterov: If `True`, the tensor passed to compute grad will be var + momentum \\* accum, so in the end, the var you get is actually var + momentum \\* accum.\n\n\u003cbr /\u003e\n\nReturns:\n\n- the created [Operation](/versions/r1.15/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation)\n\n\u003cbr /\u003e\n\n| ### Constructors and Destructors ||\n|---|---|\n| [ResourceApplyKerasMomentum](#classtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1ac7e58311613d0d165a44cc1fba9e5153)`(const ::`[tensorflow::Scope](/versions/r1.15/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` var, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` accum, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` lr, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` grad, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` momentum)` ||\n| [ResourceApplyKerasMomentum](#classtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1ac39d343d2b0d0b400490c36c574218bc)`(const ::`[tensorflow::Scope](/versions/r1.15/api_docs/cc/class/tensorflow/scope#classtensorflow_1_1_scope)` & scope, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` var, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` accum, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` lr, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` grad, ::`[tensorflow::Input](/versions/r1.15/api_docs/cc/class/tensorflow/input#classtensorflow_1_1_input)` momentum, const `[ResourceApplyKerasMomentum::Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/resource-apply-keras-momentum/attrs#structtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1_1_attrs)` & attrs)` ||\n\n| ### Public attributes ||\n|-----------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------|\n| [operation](#classtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1aae1a5eea3a68d79bac0cd6e088e5ea20) | [Operation](/versions/r1.15/api_docs/cc/class/tensorflow/operation#classtensorflow_1_1_operation) |\n\n| ### Public functions ||\n|--------------------------------------------------------------------------------------------------------------------------------------------|---------|\n| [operator::tensorflow::Operation](#classtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1a3c4e446369c8fd3251e9f3b66f4dcd99)`() const ` | ` ` ` ` |\n\n| ### Public static functions ||\n|-----------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [UseLocking](#classtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1aeba0a5e74d532e896644494ed4152e67)`(bool x)` | [Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/resource-apply-keras-momentum/attrs#structtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1_1_attrs) |\n| [UseNesterov](#classtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1a6cac17bd849f55f2f12caf3f2d78ea85)`(bool x)` | [Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/resource-apply-keras-momentum/attrs#structtensorflow_1_1ops_1_1_resource_apply_keras_momentum_1_1_attrs) |\n\n| ### Structs ||\n|---------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [tensorflow::ops::ResourceApplyKerasMomentum::Attrs](/versions/r1.15/api_docs/cc/struct/tensorflow/ops/resource-apply-keras-momentum/attrs) | Optional attribute setters for [ResourceApplyKerasMomentum](/versions/r1.15/api_docs/cc/class/tensorflow/ops/resource-apply-keras-momentum#classtensorflow_1_1ops_1_1_resource_apply_keras_momentum). |\n\nPublic attributes\n-----------------\n\n### operation\n\n```text\nOperation operation\n``` \n\nPublic functions\n----------------\n\n### ResourceApplyKerasMomentum\n\n```gdscript\n ResourceApplyKerasMomentum(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input var,\n ::tensorflow::Input accum,\n ::tensorflow::Input lr,\n ::tensorflow::Input grad,\n ::tensorflow::Input momentum\n)\n``` \n\n### ResourceApplyKerasMomentum\n\n```gdscript\n ResourceApplyKerasMomentum(\n const ::tensorflow::Scope & scope,\n ::tensorflow::Input var,\n ::tensorflow::Input accum,\n ::tensorflow::Input lr,\n ::tensorflow::Input grad,\n ::tensorflow::Input momentum,\n const ResourceApplyKerasMomentum::Attrs & attrs\n)\n``` \n\n### operator::tensorflow::Operation\n\n```gdscript\n operator::tensorflow::Operation() const \n``` \n\nPublic static functions\n-----------------------\n\n### UseLocking\n\n```text\nAttrs UseLocking(\n bool x\n)\n``` \n\n### UseNesterov\n\n```text\nAttrs UseNesterov(\n bool x\n)\n```"]]