
    Vh                     n   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
eedf   Zd
efdZd
efdZd
efdZd
efdZd
efdZd
efdZd
efdZd
efdZd!ded
dfdZ G d d      Z G d d      Z e       Zead!ded
efdZ G d de      Zded
efdZ d
efdZ!ded
dfdZ"d
efd Z#y)"zj
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                  R    t         j                  j                  j                         S )z/Returns a bool indicating if CPU supports AVX2.)torch_C_cpu_is_avx2_supported     B/home/dcms/DCMS/lib/python3.12/site-packages/torch/cpu/__init__.pyr   r       s    88==++--r   c                  R    t         j                  j                  j                         S )z1Returns a bool indicating if CPU supports AVX512.)r   r   r   _is_avx512_supportedr   r   r   r    r    %   s    88==--//r   c                  R    t         j                  j                  j                         S )z6Returns a bool indicating if CPU supports AVX512_BF16.)r   r   r   _is_avx512_bf16_supportedr   r   r   r"   r"   *   s    88==2244r   c                  R    t         j                  j                  j                         S )z/Returns a bool indicating if CPU supports VNNI.)r   r   r   _is_avx512_vnni_supportedr   r   r   _is_vnni_supportedr%   /   s     88==2244r   c                  R    t         j                  j                  j                         S )z3Returns a bool indicating if CPU supports AMX_TILE.)r   r   r   _is_amx_tile_supportedr   r   r   r'   r'   5       88==//11r   c                  R    t         j                  j                  j                         S )z3Returns a bool indicating if CPU supports AMX FP16.)r   r   r   _is_amx_fp16_supportedr   r   r   r*   r*   :   r(   r   c                  R    t         j                  j                  j                         S )zInitializes AMX instructions.)r   r   r   	_init_amxr   r   r   r,   r,   ?   s    88==""$$r   c                       y)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                      y)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   s    r   r   r   M       r   c                   :    e Zd ZdZd	deddfdZd
dZd
dZd
dZy)r   zH
    N.B. This class only exists to facilitate device-agnostic code
    priorityr   Nc                      y Nr   )selfr1   s     r   __init__zStream.__init__\       r   c                      y r3   r   r4   r   s     r   wait_streamzStream.wait_stream_   r6   r   c                      y r3   r   r4   s    r   record_eventzStream.record_eventb   r6   r   c                      y r3   r   )r4   events     r   
wait_eventzStream.wait_evente   r6   r   )r   N)	__name__
__module____qualname____doc__intr5   r9   r<   r?   r   r   r   r   r   W   s)     d r   r   c                   4    e Zd ZdefdZdddZddZdddZy)	r   r   c                      y)NTr   r;   s    r   queryzEvent.queryj   s    r   Nc                      y r3   r   r8   s     r   recordzEvent.recordm   r6   r   c                      y r3   r   r;   s    r   r   zEvent.synchronizep   r6   r   c                      y r3   r   r8   s     r   waitz
Event.waits   r6   r   r3   rA   )rB   rC   rD   boolrI   rK   r   rN   r   r   r   r   r   i   s    t r   r   c                     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   s    r   r   r   {   s
     r   c                   F    e Zd ZU dZee   ed<   d Zd Zde	de	de	dd	fd
Z
y	)r   zvContext-manager that selects a given stream.

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

    
cur_streamc                 (    || _         t        | _        y r3   )r   _default_cpu_streamprev_streamr8   s     r   r5   zStreamContext.__init__   s    .r   c                 <    | j                   }|y t        | _        |ay r3   )r   rQ   rV   )r4   rS   s     r   	__enter__zStreamContext.__enter__   s#    [[
 +$r   typevalue	tracebackr   Nc                 :    | j                   }|y | j                  ay r3   )r   rV   rQ   )r4   rY   rZ   r[   rS   s        r   __exit__zStreamContext.__exit__   s!    [[
 **r   )rB   rC   rD   rE   r   r   __annotations__r5   rX   r   r]   r   r   r   r   r      s?       /%+S + + + +r   r   r   c                     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   s    r   r   r      s       r   c                       y)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      s    
 r   c                      y)zzSets the current device, in CPU we do nothing.

    N.B. This function only exists to facilitate device-agnostic code
    Nr   r   s    r   r   r      r/   r   c                       y)zyReturns current device for cpu. Always 'cpu'.

    N.B. This function only exists to facilitate device-agnostic code
    cpur   r   r   r   r   r      s    
 r   r3   )$rE   
contextlibr   typingr   r   r   r    r	   _devicer   __all__strrF   	_device_trO   r   r    r"   r%   r'   r*   r,   r   r   r   r   rU   rQ   r   r   r   r   r   r   r   r   r   <module>rk      s/  
 . ' '     '3T)*	.D .
0d 0
54 5
5D 52 2
2 2
%4 %
d 	 T  $  h %	9 	 	+* +>!6 !4 !c y T  r   