
    Vh/              	           U d Z ddlZddlZddlmZmZmZmZ ddlZddlm	Z
mZ ddlmZmZmZ ddlmZ ddlmZ ee
eef   Zej.                  Zej0                  Zd	ag aeeeg df   ee   f      ed
<    ej<                         Z ej@                         Z! e       Z"d Z#d Z$de%fdZ&d.dZ' G d de(      Z)de%fdZ*de%fdZ+d/dee   ddfdZ,defdZ-defdZ.d/dee   defdZ/d/dee   defdZ0	 d0dee   dededdfdZ1de2eef   fdZ3d/dee   deeef   fdZ4d.d Z5d!efd"Z6deddfd#Z7 G d$ d      Z	 G d% d&      Z8d!ed'   de8fd(Z9d1deeeej                  f   defd)Z:	 d1d*edeeeej                  f   ddfd+Z;dd,l< g d-Z=y)2zH
This package enables an interface for accessing MTIA backend in python
    N)AnyCallableOptionalUnion)deviceTensor)_dummy_type_LazySeedTrackerclassproperty)Device   )_get_device_indexF_queued_callsc                      t                y N)
_lazy_init     C/home/dcms/DCMS/lib/python3.12/site-packages/torch/mtia/__init__.pyinitr   !   s    Lr   c                  (    t         xr t                S )z9Return whether PyTorch's MTIA state has been initialized.)_initialized_is_in_bad_forkr   r   r   is_initializedr   %   s    1 111r   returnc                  >    t         j                  j                         S r   )torch_C_mtia_isInBadForkr   r   r   r   r   *   s    88%%''r   c            	         t               st        t        d      ry t        5  t               r
	 d d d        y t	               rt        d      t               st        d      t        j                  j                          dt        _        t        j                  d t        j                         D               	 t        D ]  \  } }	  |          	 t)        t        d       dad d d        y # t         $ r1}dt#        |       ddj%                  |       }t'        |      |d }~ww xY w# t)        t        d       w xY w# 1 sw Y   y xY w)	Nis_initializingzwCannot re-initialize MTIA in forked subprocess. To use MTIA with multiprocessing, you must use the 'spawn' start methodzTorch not compiled with MTIA enabled. Ensure you have `import mtia.host_runtime.torch_mtia.dynamic_library` in your python src file and include `//mtia/host_runtime/torch_mtia:torch_mtia` as your target dependency!Tc              3   &   K   | ]	  }|s|  y wr   r   ).0callss     r   	<genexpr>z_lazy_init.<locals>.<genexpr>P   s     XuRWUXs   z6MTIA call failed lazily at initialization with error: z(

MTIA call was originally invoked at:

 )r   hasattr_tls_initialization_lockr   RuntimeError_is_compiledAssertionErrorr   r   
_mtia_initr!   r   extend_lazy_seed_tracker	get_calls	ExceptionstrjoinDeferredMtiaCallErrordelattrr   )queued_callorig_tracebackemsgs       r   r   r   .   sL   74):;	 , , , I  ~ *  	  $X0B0L0L0NXX	-/< <+^<M< D+,Y, ,H ! <PQTUVQWPX YCCE77>CZB[]  04!;< D+,W, ,sM   D=BD=9D(C+D(D=+	D%4,D  D%%D((D::D==Ec                       e Zd Zy)r4   N)__name__
__module____qualname__r   r   r   r4   r4   a   s    r   r4   c                  >    t         j                  j                         S )z*Return true if compiled with MTIA support.)r   r   _mtia_isBuiltr   r   r   r+   r+   e   s    88!!##r   c                  2    t               syt               dkD  S )z'Return true if MTIA device is availableFr   )r+   device_countr   r   r   is_availablerB   j   s    >>Ar   r   c                     t         j                  j                  |       5  t         j                  j	                         cddd       S # 1 sw Y   yxY w)z?Waits for all jobs in all streams on a MTIA device to complete.N)r   mtiar   r   _mtia_deviceSynchronizer   s    r   synchronizerG   r   s9    			6	" 2xx//12 2 2s   AAc                  >    t         j                  j                         S )z,Return the number of MTIA devices available.)r   r   _mtia_getDeviceCountr   r   r   rA   rA   x        88((**r   c                  >    t         j                  j                         S )z0Return the index of a currently selected device.)r   r   %_accelerator_hooks_get_current_devicer   r   r   current_devicerM   ~   s    8899;;r   c                 V    t         j                  j                  t        | d            S )aS  Return the currently selected :class:`Stream` for a given device.

    Args:
        device (torch.device or int, optional): selected device. Returns
            the currently selected :class:`Stream` for the current device, given
            by :func:`~torch.mtia.current_device`, if :attr:`device` is ``None``
            (default).
    Toptional)r   r   _mtia_getCurrentStreamr   rF   s    r   current_streamrR      !     88**+<Vd+STTr   c                 V    t         j                  j                  t        | d            S )a=  Return the default :class:`Stream` for a given device.

    Args:
        device (torch.device or int, optional): selected device. Returns
            the default :class:`Stream` for the current device, given by
            :func:`~torch.mtia.current_device`, if :attr:`device` is ``None``
            (default).
    TrO   )r   r   _mtia_getDefaultStreamr   rF   s    r   default_streamrV      rS   r   enabledstacksmax_entriesc                 \    t               syt        j                  j                  | ||       y)a  Enable/Disable the memory profiler on MTIA allocator

    Args:
        enabled (all or state, optional) selected device. Returns
            statistics for the current device, given by current_device(),
            if device is None (default).

        stacks ("python" or "cpp", optional). Select the stack trace to record.

        max_entries (int, optional). Maximum number of entries to record.
    N)r   r   r   _mtia_recordMemoryHistory)rW   rX   rY   s      r   record_memory_historyr\      s#     	HH&&wDr   c                  >    t         j                  j                         S )z4Return a dictionary of MTIA memory allocator history)r   r   _mtia_memorySnapshotr   r   r   snapshotr_      rJ   r   c                 V    t         j                  j                  t        | d            S )a  Return capability of a given device as a tuple of (major version, minor version).

    Args:
        device (torch.device or int, optional) selected device. Returns
            statistics for the current device, given by current_device(),
            if device is None (default).
    TrO   )r   r   _mtia_getDeviceCapabilityr   rF   s    r   get_device_capabilityrb      s"     88--.?QU.VWWr   c                  >    t         j                  j                         S )zEmpty the MTIA device cache.)r   r   _mtia_emptyCacher   r   r   empty_cachere      s    88$$&&r   streamc                 H    | yt         j                  j                  |        y)a  Set the current stream.This is a wrapper API to set the stream.
        Usage of this function is discouraged in favor of the ``stream``
        context manager.

    Args:
        stream (Stream): selected stream. This function is a no-op
            if this argument is ``None``.
    N)r   r   _mtia_setCurrentStreamrf   s    r   
set_streamrj      s     ~	HH##F+r   c                 d    t        |       } | dk\  r t        j                  j                  |        yy)zSet the current device.

    Args:
        device (torch.device or int): selected device. This function is a no-op
            if this argument is negative.
    r   N)r   r   r   %_accelerator_hooks_set_current_devicerF   s    r   
set_devicerm      s,     v&F{66v> r   c                   6    e Zd ZdZd efdZd ZdededefdZy)	r   zContext-manager that changes the selected device.

    Args:
        device (torch.device or int): device index to select. It's a no-op if
            this argument is a negative integer or ``None``.
    c                 6    t        |d      | _        d| _        y )NTrO   )r   idxprev_idx)selfr   s     r   __init__zdevice.__init__   s    $Vd;r   c                 `    t         j                  j                  | j                        | _        y r   )r   r   (_accelerator_hooks_maybe_exchange_devicerq   rr   )rs   s    r   	__enter__zdevice.__enter__   s    II$((Sr   typevalue	tracebackc                 `    t         j                  j                  | j                        | _        y)NF)r   r   rv   rr   rq   )rs   rx   ry   rz   s       r   __exit__zdevice.__exit__   s    88DDT]]Sr   N)r;   r<   r=   __doc__r   rt   rw   r|   r   r   r   r   r      s3    s TS   r   c                   N    e Zd ZU dZed   ed<   ded   fdZd Zdeded	efd
Z	y)StreamContexta  Context-manager that selects a given stream.

    All MTIA kernels queued within its context will be enqueued on a selected
    stream.

    Args:
        Stream (Stream): selected stream. This manager is a no-op if it's
            ``None``.
    .. note:: Streams are per-device.
    torch.mtia.Stream
cur_streamrf   c                    d | _         || _        t        d d      | _        t        j
                  j                         s| j                  d| _        t        j
                  j                         sd nt        j                  j                  d       | _	        t        j
                  j                         sd | _
        y t        j                  j                  d       | _
        y )NTrp   )r   rf   r   rq   r   jitis_scriptingrD   rV   src_prev_streamdst_prev_stream)rs   rf   s     r   rt   zStreamContext.__init__   s    $T40yy%%'xx 		..0Dejj6O6OPT6U 	 		..0D 	6;jj6O6OPT6U 	r   c                    | j                   }|| j                  dk(  ry t        j                  j	                  d       | _        | j
                  j                  |j                  k7  rLt        |j                        5  t        j                  j	                  |j                        | _        d d d        t        j                  j                  |       y # 1 sw Y   )xY wNrp   )	rf   rq   r   rD   rR   r   r   r   rj   )rs   r   s     r   rw   zStreamContext.__enter__  s    [[
R$zz88> &&**;*;;
))* T',zz'@'@ARAR'S$T

j)T Ts   ;/CCrx   ry   rz   c                 *   | j                   }|| j                  dk(  ry | j                  j                  |j                  k7  r)t        j
                  j                  | j                         t        j
                  j                  | j                         y r   )rf   rq   r   r   r   rD   rj   r   )rs   rx   ry   rz   r   s        r   r|   zStreamContext.__exit__  sj    [[
R &&**;*;;JJ!!$"6"67

d223r   N)
r;   r<   r=   r}   r   __annotations__rt   rw   r   r|   r   r   r   r   r      sF    	 ,--
x(;< 
*4S 4 4 4r   r   r   c                     t        |       S )a,  Wrap around the Context-manager StreamContext that selects a given stream.

    Arguments:
        stream (Stream): selected stream. This manager is a no-op if it's
            ``None``.
    .. note:: In eager mode stream is of type Stream class while in JIT it doesn't support torch.mtia.stream
    )r   ri   s    r   rf   rf   ,  s       r   c                     t        j                  dt        d       t        j                  dgt        j
                  |       S )zReturns the random number generator state as a ByteTensor.

    Args:
        device (torch.device or int, optional): The device to return the RNG state of.
            Default: ``'mtia'`` (i.e., ``torch.device('mtia')``, the current mtia device).
    z.get_rng_state is not implemented in torch.mtia   
stacklevelr   )dtyper   )warningswarnUserWarningr   zerosuint8rF   s    r   get_rng_stater   7  s4     MM8
 ;;s%++f==r   	new_statec                 <    t        j                  dt        d       y)a  Sets the random number generator state.

    Args:
        new_state (torch.ByteTensor): The desired state
        device (torch.device or int, optional): The device to set the RNG state.
            Default: ``'mtia'`` (i.e., ``torch.device('mtia')``, the current mtia device).
    z.set_rng_state is not implemented in torch.mtiar   r   N)r   r   r   )r   r   s     r   set_rng_stater   F  s     MM8r   )*)r   rB   r   rG   rA   rM   rR   rV   memory_statsmax_memory_allocatedreset_peak_memory_statsrb   r\   r_   re   rm   rj   rf   r   r   r   )r   Nr   )allpythonr   )rD   )>r}   	threadingr   typingr   r   r   r   r   r   _devicer   torch._utilsr	   r
   r   torch.typesr   _utilsr   r2   int	_device_tEventStreamr   r   listtupler   localr(   Lockr)   r/   r   r   boolr   r   r1   r4   r+   rB   rG   rA   rM   rR   rV   r\   dictr_   rb   re   rj   rm   r   rf   r   r   memory__all__r   r   r   <module>r      su     1 1  + E E  % '3#$	 		  t	(2t8
d3i
'(  y%y~~' %' 2
( (0f	I 	$d $
d 2+ 2t 2+c +< <
	U8I. 	U& 	U	U8I. 	U& 	U PQEc]E,/EILE	E&+$sCx. +X(9"5 XsCx X'
,v ,	?y 	?T 	? (74 74t!8/0 !] !>%S%,, 67 >V >  @F$S#u||%;<	" r   