o
    ZhV$                     @   s   d dl Z d dlmZ d dlmZmZmZ d dlZd dlm	Z	 d dl
mZ d dlmZ ddlmZmZ dZG d	d
 d
eZdededefddZG dd dZeed	dde	jdeeej	j  de	jfddZde	jdefddZdS )    N)Iterable)AnyNoReturnOptional)_State)DistributedDataParallel   )_get_registrycontract c                       s   e Zd ZU ejed< d fddZefdej	de
ej	 de
ej d	eddf
d
dZdddZdej	de
ej	 ddfddZdddZdddZdej	deedf deeef defddZdej	deej dejdejfddZ  ZS )_ReplicateState_ddp_weakrefreturnNc                    sN   t    t | _d| _t | _| j| _g | _d| _	d | _
i | _g | _d S )NF)super__init__nnZParameterListmodulehas_initialized_param_listZ_orig_module_param_names_no_sync
_init_args_init_kwargs_comm_hook_argsself	__class__ V/var/www/auris/lib/python3.10/site-packages/torch/distributed/_composable/replicate.pyr      s   



z_ReplicateState.__init__r   ignored_modulesignored_paramsprefixc           
      C   s   t |rd S ||v rd S |tkr| dnt}|jddD ]\}}||vr5| j| | j| |  q| D ]\}}	| j|	||| | d q:d S )N.F)recurse)r"   )_is_fully_sharded_ROOT_MODULE_PREFIXZnamed_parametersr   appendr   Znamed_children_collect_params)
r   r   r    r!   r"   Zrecurse_prefixnpnameZchild_moduler   r   r   r(   "   s&   
z_ReplicateState._collect_paramsc                    s"   t jdd fdd}|  d S )NT)	recursivec                      s:    j d usJ  j j i  j    d _ i  _d S )Nr   )r   initr   register_comm_hookr   r   r   r   
_lazy_initC   s
   
z-_ReplicateState.lazy_init.<locals>._lazy_init)torchZ_disable_dynamo)r   r/   r   r   r   	lazy_initB   s   

z_ReplicateState.lazy_initc                 K   s   | j rd S d| _ || _dd |D }| D ]}t|r#||  qddlm} |||d | ||| d|v rd|d d ur[|d }t	|t
jrU|jdkrUd |d	< n
|g|d	< nd |d	< |d t| jfi || _t| jt| j_d S )
NTc                 S   s   h | ]}|  D ]}|qqS r   )
parameters).0mr*   r   r   r   	<setcomp>X   s    z'_ReplicateState.init.<locals>.<setcomp>r   )_localize_dtensor)r!   	device_idcpuZ
device_ids)r   r   modulesr%   updater2   %torch.distributed.tensor.parallel.ddpr6   r(   
isinstancer0   devicetypepopr   r   _ddpweakrefref	replicatestater   )r   r   r    kwargsr!   	submoduler6   r7   r   r   r   r-   M   s,   

z_ReplicateState.initc                 C   s0   | j D ]\}}| jj|i | q| j   d S N)r   r@   r.   clear)r   Z	comm_argsZcomm_kwargsr   r   r   r.   w   s   z"_ReplicateState.register_comm_hookc                 O   s   || _ || _d S rG   )r   r   r   argsrE   r   r   r   record_init_args|   s   
z _ReplicateState.record_init_argsrJ   .rE   c                 C   s2   | j s| jr
|   | j | j_| jj|i |S rG   )r   r   r1   r   r@   Zrequire_backward_grad_syncZ_pre_forward)r   r   rJ   rE   r   r   r   forward_pre_hook   s   z _ReplicateState.forward_pre_hookinputoutputc                 C   s   | j |S rG   )r@   Z_post_forward)r   r   rM   rN   r   r   r   forward_post_hook   s   z!_ReplicateState.forward_post_hookr   N)__name__
__module____qualname__rA   rB   __annotations__r   r&   r   Moduleset	Parameterstrr(   r1   r-   r.   rK   tupler   dictrL   r0   ZTensorrO   __classcell__r   r   r   r   r      sV   
 


 

*



r   rJ   rE   r   c                  O   s   t d)NzGDDP does not support deepcopy. Please use state dict for serialization.)AssertionError)rJ   rE   r   r   r   unimplemented_deepcopy   s   r]   c                   @   s0   e Zd Zdd ZdeddfddZd
dd	ZdS )DDPc                 O   s"   | j d }|j|g|R i |S )z
        Override ``__new__`` to remove the DDP class and directly construct
        the original class for cases like indexing into a container module.
           )__mro____new__)clsrJ   rE   Zorig_clsr   r   r   ra      s   
zDDP.__new__requires_gradient_syncr   Nc                 C   s   | t | _dS )a  
        Sets if the module should sync gradients. This can be used to implement
        gradient accumulation without communication.

        Args:
            requires_gradient_sync (bool): Whether to reduce gradients for the
                module's parameters.
        N)rC   rD   r   )r   rc   r   r   r   set_requires_gradient_sync   s   	zDDP.set_requires_gradient_syncc                 O   s   t | j||f d S rG   )rC   rD   r   r'   rI   r   r   r   r.      s   zDDP.register_comm_hookrP   )rQ   rR   rS   ra   boolrd   r.   r   r   r   r   r^      s    
r^   )Z	state_clsr   r    c                 K   s$  t jd d|v rt|d tt jfstdt|d  t| r'td|du r.i }nt	|}t
| }| j|jdd |dd}|durjd	d
lm} ||}||krjd	dlm}m} | | | | | |j |j| |fi | | j}	dti}
td|	j t|	f|
}|| _| S )zReplicates a module

    Args:
        module (torch.nn.Module): module to replicate

    Example::
        >>> # xdoctest: +REQUIRES(module:torch._C._distributed_c10d)
        >>> module = nn.Linear(3, 3)
        >>> replicate(module)
    ztorch.distributed.replicater7   z6Expected device_id to be int or torch.device, but got zGCannot apply `replicate()` on a Module already managed by `fully_shard`NT)Zwith_kwargsdevice_meshr   )_mesh_resources)r6   _reconstruct_dtensor__deepcopy__r^   )r0   Z_CZ_log_api_usage_oncer<   intr=   RuntimeErrorr>   r%   rV   rC   rD   Zregister_forward_pre_hookrL   getZtorch.distributed.device_meshrg   Zget_root_meshr;   r6   rh   Zregister_forward_hookrO   rK   r   r]   rQ   r^   )r   r    rE   rD   rf   rg   Z	root_meshr6   rh   rb   dctZnew_clsr   r   r   rC      s@   




rC   c                 C   s   t | }|du r
dS d|v S )z+Check if module is marked with fully_shard.NFZfully_shard)r	   )r   registryr   r   r   r%      s   r%   rG   )rA   collections.abcr   typingr   r   r   r0   Ztorch.nnr   Z#torch.distributed._composable_stater   Ztorch.nn.parallelr   r
   r	   r&   r   r]   r^   rU   rC   re   r%   r   r   r   r   <module>   s.    H