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    Hh                     @   sn  d 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 g d	Zee
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This package implements abstractions found in ``torch.cuda``
to facilitate writing device-agnostic code.
    )AbstractContextManager)AnyOptionalUnionN   device   )amp)
is_availablesynchronizecurrent_devicecurrent_streamstream
set_devicedevice_countStreamStreamContextEventreturnc                   C      t jj S )z/Returns a bool indicating if CPU supports AVX2.)torch_C_cpu_is_avx2_supported r   r   F/var/www/vscode/kcb/lib/python3.10/site-packages/torch/cpu/__init__.pyr          r   c                   C   r   )z1Returns a bool indicating if CPU supports AVX512.)r   r   r   _is_avx512_supportedr   r   r   r   r   %   r   r   c                   C   r   )z6Returns a bool indicating if CPU supports AVX512_BF16.)r   r   r   _is_avx512_bf16_supportedr   r   r   r   r   *   r   r   c                   C   r   )z/Returns a bool indicating if CPU supports VNNI.)r   r   r   _is_avx512_vnni_supportedr   r   r   r   _is_vnni_supported/   s   r!   c                   C   r   )z3Returns a bool indicating if CPU supports AMX_TILE.)r   r   r   _is_amx_tile_supportedr   r   r   r   r"   5   r   r"   c                   C   r   )z3Returns a bool indicating if CPU supports AMX FP16.)r   r   r   _is_amx_fp16_supportedr   r   r   r   r#   :   r   r#   c                   C   r   )zInitializes AMX instructions.)r   r   r   	_init_amxr   r   r   r   r$   ?   r   r$   c                   C      dS )zReturns a bool indicating if CPU is currently available.

    N.B. This function only exists to facilitate device-agnostic code

    Tr   r   r   r   r   r   D   s   r   r   c                 C   r%   )zWaits for all kernels in all streams on the CPU device to complete.

    Args:
        device (torch.device or int, optional): ignored, there's only one CPU device.

    N.B. This function only exists to facilitate device-agnostic code.
    Nr   r   r   r   r   r   M       r   c                   @   sB   e Zd ZdZddeddfddZddd	Zdd
dZdddZdS )r   zH
    N.B. This class only exists to facilitate device-agnostic code
    priorityr   Nc                 C      d S Nr   )selfr(   r   r   r   __init__\      zStream.__init__c                 C   r)   r*   r   r+   r   r   r   r   wait_stream_   r-   zStream.wait_streamc                 C   r)   r*   r   r+   r   r   r   record_eventb   r-   zStream.record_eventc                 C   r)   r*   r   )r+   eventr   r   r   
wait_evente   r-   zStream.wait_event)r'   r   N)	__name__
__module____qualname____doc__intr,   r/   r1   r3   r   r   r   r   r   W   s    

r   c                   @   s<   e Zd ZdefddZddddZdddZddd	d
ZdS )r   r   c                 C   r%   )NTr   r0   r   r   r   queryj   r-   zEvent.queryNc                 C   r)   r*   r   r.   r   r   r   recordm   r-   zEvent.recordc                 C   r)   r*   r   r0   r   r   r   r   p   r-   zEvent.synchronizec                 C   r)   r*   r   r.   r   r   r   waits   r-   z
Event.waitr*   r4   )r5   r6   r7   boolr:   r;   r   r<   r   r   r   r   r   i   s
    
r   c                 C   s   t S )zReturns the currently selected :class:`Stream` for a given device.

    Args:
        device (torch.device or int, optional): Ignored.

    N.B. This function only exists to facilitate device-agnostic code

    )_current_streamr   r   r   r   r   {   s   	r   c                   @   sH   e Zd ZU dZee ed< dd Zdd Zde	de	d	e	d
dfddZ
dS )r   zvContext-manager that selects a given stream.

    N.B. This class only exists to facilitate device-agnostic code

    
cur_streamc                 C   s   || _ t| _d S r*   )r   _default_cpu_streamprev_streamr.   r   r   r   r,      s   
zStreamContext.__init__c                 C   s    | j }|d u r	d S t| _|ad S r*   )r   r>   rA   )r+   r?   r   r   r   	__enter__   s
   zStreamContext.__enter__typevalue	tracebackr   Nc                 C   s   | j }|d u r	d S | jad S r*   )r   rA   r>   )r+   rC   rD   rE   r?   r   r   r   __exit__   s   
zStreamContext.__exit__)r5   r6   r7   r8   r   r   __annotations__r,   rB   r   rF   r   r   r   r   r      s   
 	r   r   c                 C   s   t | S )zWrapper around the Context-manager StreamContext that
    selects a given stream.

    N.B. This function only exists to facilitate device-agnostic code
    )r   )r   r   r   r   r      s   c                   C   r%   )zReturns number of CPU devices (not cores). Always 1.

    N.B. This function only exists to facilitate device-agnostic code
    r	   r   r   r   r   r   r         r   c                 C   r%   )zzSets the current device, in CPU we do nothing.

    N.B. This function only exists to facilitate device-agnostic code
    Nr   r   r   r   r   r      r&   r   c                   C   r%   )zyReturns current device for cpu. Always 'cpu'.

    N.B. This function only exists to facilitate device-agnostic code
    cpur   r   r   r   r   r      rH   r   r*   )$r8   
contextlibr   typingr   r   r   r    r   _devicer
   __all__strr9   	_device_tr=   r   r   r   r!   r"   r#   r$   r   r   r   r   r@   r>   r   r   r   r   r   r   r   r   r   r   <module>   s6   	
	