U
    ©Ê¹jw  ã                   @   sj   U d dl mZmZmZmZ d dlZd dlm  mZ	 d dlm
Z
 g Zee ed< ejjG dd„ dƒƒZdS )é    )ÚDictÚListÚOptionalÚTupleN)ÚTensorÚ__all__c                	   @   sR   e Zd Zdee eeeef eeef eeedœdd„Zee	e  dœd	d
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dS )Ú_FunctionalRpropç{®Gáz„?©g      à?g333333ó?©g�íµ ÷Æ°>é2   F)ÚparamsÚlrÚetasÚ
step_sizesÚforeachÚmaximizeÚ_allow_empty_param_listc                 C   sl   d|i| _ || _|| _|| _|| _t|ƒdkr:|s:tdƒ‚d|i| _tj	 
ttjtttjf f i ¡| _d S )Nr   r   z%optimizer got an empty parameter listr   )Údefaultsr   r   r   r   ÚlenÚ
ValueErrorÚparam_groupÚtorchÚjitZannotater   r   ÚstrÚstate)Úselfr   r   r   r   r   r   r   © r   úg/var/www/html/bwave/python/venv/lib/python3.8/site-packages/torch/distributed/optim/functional_rprop.pyÚ__init__   s     ÿ
z_FunctionalRprop.__init__)Ú	gradientsc                 C   s^  | j d }g }g }g }g }| jd }| j\}}	| j\}
}t|ƒt|ƒkrntddt|ƒ› d� dt|ƒ› � ƒ‚t||ƒD ]ª\}}|d k	rx| |¡ | |¡ || jkrìi | j|< | j| }t	 
d¡|d< t	j|t	jd	�|d
< t	 ||¡|d< | j| }| |d
 ¡ | |d ¡ |d  d7  < qxt	 ¡ �( tj|||||
|||	| j| jd�
 W 5 Q R X d S )Nr   r   zEthe gradients passed in does not equal to the size of the parameters!zParams length: z. zGradients length: g        Ústep)Zmemory_formatÚprevZ	step_sizeé   )Ústep_size_minÚstep_size_maxÚetaminusÚetaplusr   r   )r   r   r   r   r   r   ÚzipÚappendr   r   ZtensorZ
zeros_likeZpreserve_formatZ	full_likeZno_gradÚFZrpropr   r   )r   r    r   Zparams_with_gradZgradsZprevsr   r   r&   r'   r$   r%   ÚparamZgradientr   r   r   r   r!   0   s\    



ÿþÿ




 ÿ


öz_FunctionalRprop.stepN)r	   r
   r   FFF)Ú__name__Ú
__module__Ú__qualname__r   r   Úfloatr   Úboolr   r   r!   r   r   r   r   r      s          ø

ør   )Útypingr   r   r   r   r   Ztorch.optim._functionalZoptimZ_functionalr*   r   r   r   Ú__annotations__r   Úscriptr   r   r   r   r   Ú<module>   s    