U ʹj @sdZddlmZddlmZmZmZddlZddlm Z ddlm Z d d d d d ddgZ ee e edfZedddZeddd Zdedddd ZGdddZeZeadeeddd ZGdddeZeeddd Zeddd ZdS)zj This package implements abstractions found in ``torch.cuda`` to facilitate writing device-agnostic code. )AbstractContextManager)AnyOptionalUnionNdevice)amp is_available synchronizecurrent_streamstream device_countStream StreamContext)returncCs tjjS)z/Returns a bool indicating if CPU supports VNNI.)torchZ_CZ_cpu_is_cpu_support_vnnirrQ/var/www/html/bwave/python/venv/lib/python3.8/site-packages/torch/cpu/__init__.pyrsrcCsdS)zReturns a bool indicating if CPU is currently available. N.B. This function only exists to facilitate device-agnostic code Trrrrrr s)rrcCsdS)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. Nrrrrrr (sc@seZdZdZdS)rzH N.B. This class only exists to facilitate device-agnostic code N)__name__ __module__ __qualname____doc__rrrrr3scCstS)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_streamrrrrr ?s c@s@eZdZUdZeeed<ddZddZe e e ddd Z d S) rzvContext-manager that selects a given stream. N.B. This class only exists to facilitate device-agnostic code cur_streamcCs||_t|_dSN)r_default_cpu_stream prev_stream)selfrrrr__init__SszStreamContext.__init__cCs |j}|dkrdSt|_|adSr)rrr)r rrrr __enter__Ws zStreamContext.__enter__)typevalue tracebackcCs|j}|dkrdS|jadSr)rrr)r r#r$r%rrrr__exit__`szStreamContext.__exit__N) rrrrrr__annotations__r!r"rr&rrrrrKs   )rrcCst|S)zWrapper around the Context-manager StreamContext that selects a given stream. N.B. This function only exists to facilitate device-agnostic code )r)rrrrriscCsdS)zReturns number of CPU devices (not cores). Always 1. N.B. This function only exists to facilitate device-agnostic code r rrrrrrrs)N)N)r contextlibrtypingrrrrrZ_devicer __all__strintZ _device_tboolrr r rrrr rrrrrrrs0