U
    d/'                     @   sn  U d dl Z d dlZ d dlZd dlZd dlZd dlmZmZmZm	Z	m
Z
 dd Zdd Zdd Zd	d
 Zd$ddZdd ZddddZe jjee jjee jee jjjee jjee jee jeiZeeef ed< dd ZG dd de jjZG dd deZ G dd de Z!dd Z"G dd de jj#Z$d%e
e jj%ed ef f ee&e j'f e	ee&ef  e jj(d!d"d#Z)dS )&    N)AnyCallableDictOptionalUnionc                 C   s    t j|j| jjd fddiS )Ndevicemeta)torchemptyshapeZweightselfinput r   E/tmp/pip-unpacked-wheel-ua33x9lu/torch/fx/experimental/meta_tracer.pyembedding_override	   s    r   c                 C   s   |S Nr   r   r   r   r   nn_layernorm_override   s    r   c                 C   s   | S r   r   )xr   r   r   torch_relu_override   s    r   c                 C   s   |S r   r   )r   r   r   r   r   torch_nn_relu_override   s    r   Fc                 C   s   |rt d| S )Nz<dont support inplace functional.relu for metatensor analysisAssertionError)r   Zinplacer   r   r   functional_relu_override   s    r   c                 C   s$   | j dd|j dd |j dd S )Nr	   r   )to)	conditionr   yr   r   r   torch_where_override   s    r   )outc                C   s   |d kst d| S )Nz1Dont support in-place abs for MetaTensor analysisr   )r   r    r   r   r   torch_abs_override$   s    r!   manual_meta_overridesc                    s   t   fdd}| fS )Nc                     sX   d   fdd}t jj| | t jj||  d k	rJ jd| |S | |S d S )Nc                    s   t | tjjr|  d S r   )
isinstancer
   fxProxyvproxyr   r   check_has_proxy7   s    zAgen_constructor_wrapper.<locals>.wrapper.<locals>.check_has_proxycall_function)r
   r$   nodemap_aggregatetracercreate_proxy)argskwargsr*   targetr(   r   wrapper3   s    z(gen_constructor_wrapper.<locals>.wrapper)	functoolswraps)r3   r4   r   r2   r   gen_constructor_wrapper2   s    r7   c                   @   sR   e Zd Zdd ZdddZdd Zedd	 Zed
d Zedd Z	dd Z
dS )	MetaProxyc                 C   s
   || _ d S r   )_tensor_meta)r   Ztensor_metar   r   r   install_tensor_metaE   s    zMetaProxy.install_tensor_metaNc                 C   sJ   t | dr*| jd k	r*| jj|r$|gng  S | jdd|r@| |fn| fi S )Nr9   call_methodsize)hasattrr9   r<   r.   r/   )r   dimr   r   r   r<   H   s    zMetaProxy.sizec                 C   s2   t | dr| jd k	r| j S | jdd| fi S )Nr9   r;   r>   )r=   r9   r>   r.   r/   r   r   r   r   r>   M   s    
zMetaProxy.dimc                 C   s4   t | dr| jd k	r| jjS | jdtj| dfi S )Nr9   r+   r   )r=   r9   r   r.   r/   builtinsgetattrr?   r   r   r   r   R   s    zMetaProxy.shapec                 C   s4   t | dr| jd k	r| jjS | jdtj| dfi S )Nr9   r+   dtype)r=   r9   rB   r.   r/   r@   rA   r?   r   r   r   rB   X   s    zMetaProxy.dtypec                 C   s
   t | dS )Nr   )MetaDeviceAttributer?   r   r   r   r   ^   s    zMetaProxy.devicec                 C   s   |dkr|  |S t| |S )Nr9   )__getattribute__MetaAttribute)r   kr   r   r   __getattr__d   s    
zMetaProxy.__getattr__)N)__name__
__module____qualname__r:   r<   r>   propertyr   rB   r   rG   r   r   r   r   r8   D   s   



r8   c                   @   s.   e Zd ZedddZedd Zdd ZdS )	rE   )attrc                 C   s   || _ || _|j| _d | _d S r   )rootrL   r.   _node)r   rM   rL   r   r   r   __init__l   s    zMetaAttribute.__init__c                 C   s.   | j d kr(| jdt| j| jfi j| _ | j S )Nr+   )rN   r.   r/   rA   rM   rL   r,   r?   r   r   r   r,   s   s    
zMetaAttribute.nodec                 O   s   | j d| j| jf| |S )Nr;   )r.   r/   rL   rM   )r   r0   r1   r   r   r   __call__{   s    zMetaAttribute.__call__N)rH   rI   rJ   strrO   rK   r,   rP   r   r   r   r   rE   k   s   
rE   c                   @   s   e Zd ZdS )rC   N)rH   rI   rJ   r   r   r   r   rC   ~   s   rC   c                 C   sT   t | trdS t | tjjrPt | ts8tdt|  t| dsJtd| j	S | S )Nr	   zExpected MetaProxy but got r9   z*MetaProxy does not have an associated meta)
r#   rC   r
   r$   r%   r8   r   typer=   r9   r&   r   r   r   proxys_to_metas   s    
rS   c                       s   e Zd ZU dZeed< dddddgZd fd	d
	Z fddZ fddZ	e
jjedddZe
jjed fddZdd Zdeee
jf d fddZ  ZS )
MetaTracerTallow_insert_stateless_modsZarangezerosZonesZ	full_likeZeyeNc                    s  t  |||||||}|dkr>|| jkr>|| j|  |S || jkrXd|krXd|d< zdtjj|t	}	tjj|t	}
|dkrt
||}||	|
}n|dkrt|	d ||	dd  |
}n|dkr0t| d	std
| _zD| j|}t|}|t
krt
| |f|	|
}n| j|	|
}W 5 d| _X nj|dkrd
| _zH| j}|d}|D ]}t||}qVt|tjszt|jdd}W 5 d| _X n|W S t|tjjstd|| W n@ tk
r } z td| d| d|  W 5 d }~X Y nX |S )Nplaceholderr   r	   r+   r;   r      call_moduleorig_forwardTFZget_attr.r   z!Dont support composite output yetzCould not compute metadata for z target z: )superr/   	meta_argsr:   orig_fnsr
   r$   r,   r-   rS   r"   getrA   r=   r   _disable_module_getattrrM   Zget_submodulerR   rZ   splitr#   Tensorr   r%   	Exceptionwarningswarn)r   kindr3   r0   r1   nameZ	type_exprZproxy_factory_fnrvZ
args_metasZkwargs_metasZmeta_targetZmeta_outmodmod_typeZattr_itrZatomsZatome	__class__r   r   r/      sR    






.zMetaTracer.create_proxyc                    s$   t | ddr|S t |||S d S )Nr`   F)rA   r\   _module_getattr)r   rL   Zattr_valZparameter_proxy_cacherl   r   r   rn      s    zMetaTracer._module_getattrc                    s   || _ t ||||S r   )rZ   r\   rY   )r   mZforwardr0   r1   rl   r   r   rY      s    zMetaTracer.call_module)ri   returnc                 C   sT   d}|j j }| d| }t| j|rB| d| }|d7 }q| j|| |S )zb
        Helper method which tries to insert a module that was not declared as submodule.
        r   _rX   )rm   rH   lowerr=   rM   Z
add_module)r   ri   idxmod_namepathr   r   r   _insert_module_as_submodule   s    
z&MetaTracer._insert_module_as_submodulec              
      s   zt  |W S  tk
r| } zP| jrjtt| dkrjtt| dkrj| |}|| _	| W Y S  W 5 d }~X Y nX d S )Nr   )
r\   path_of_module	NameErrorrU   lenlist
parametersbuffersrv   Zprev_module)r   ri   rk   ru   rl   r   r   rw      s    .
zMetaTracer.path_of_modulec                 C   s
   t || S r   )r8   )r   r,   r   r   r   r)      s    zMetaTracer.proxy)r]   c           	         s   t |tst|| _dd | jD | _t | _| j D ]$\}\}}t	t
|| | j| q8z t ||}d|i|_|W S | j D ]\}\}}t	t
|| qX d S )Nc                 S   s   i | ]}|t tt|qS r   )r7   rA   r
   ).0r3   r   r   r   
<dictcomp>   s     z$MetaTracer.trace.<locals>.<dictcomp>r]   )r#   dictr   r]   _TORCH_METHODS_TO_PATCHZpatched_torch_methodssetr^   itemssetattrr
   addr\   traceZ_tracer_extras)	r   rM   r]   concrete_argsrg   r4   origrq   graphrl   r   r   r      s    
zMetaTracer.trace)NNN)N)rH   rI   rJ   rU   bool__annotations__r   r/   rn   rY   r
   nnModulerQ   rv   rw   r)   r   rb   r   __classcell__r   r   rl   r   rT      s   
;
rT   .)rM   r]   r   rp   c                 C   sF   t  }|| ||}t| tjjr*| jjn| j}tj	|j
||}|S r   )rT   r   r#   r
   r   r   rm   rH   r$   GraphModulerM   )rM   r]   r   r.   r   rg   Zgmr   r   r   symbolic_trace  s
    r   )F)NN)*r
   Ztorch.fxrd   r5   r@   typingr   r   r   r   r   r   r   r   r   r   r   r!   r   Z	EmbeddingZ	LayerNormZreluZ
functionalZReLUwhereabsr"   r   r7   r$   r%   r8   rE   rC   rS   ZTracerrT   r   rQ   rb   r   r   r   r   r   r   <module>   sR    
       
'	|   