U yh  @s>dZddlmZddlmZmZmZddlZddlm Z ddlm Z d d d d d dddddg Z ee e edfZedddZedddZedddZeddd Zd&edddd ZGdddZGdddZeZead'eeddd ZGd ddeZeed!d"d Zedd#dZeddd$dZe dd%d ZdS)(zj This package implements abstractions found in ``torch.cuda`` to facilitate writing device-agnostic code. )AbstractContextManager)AnyOptionalUnionNdevice)amp is_available synchronizecurrent_devicecurrent_streamstream set_device device_countStream StreamContextEventreturncCs tjjS)z/Returns a bool indicating if CPU supports AVX2.)torch_C_cpu_is_cpu_support_avx2rrD/var/www/html/venv/lib/python3.8/site-packages/torch/cpu/__init__.pyr srcCs tjjS)z1Returns a bool indicating if CPU supports AVX512.)rrr_is_cpu_support_avx512rrrrr%srcCs tjjS)z/Returns a bool indicating if CPU supports VNNI.)rrr_is_cpu_support_vnnirrrrr*srcCsdS)zReturns a bool indicating if CPU is currently available. N.B. This function only exists to facilitate device-agnostic code Trrrrrr /s)rrcCsdS)zWaits for all kernels in all streams on the CPU device to complete. Args: device (torch.device or int, optional): ignored, there's only one CPU device. N.B. This function only exists to facilitate device-agnostic code. Nrrrrrr 8sc@s0eZdZdZd eddddZdddd ZdS) rzH N.B. This class only exists to facilitate device-agnostic code N)priorityrcCsdSNr)selfr rrr__init__GszStream.__init__rcCsdSr!rr"rrrr wait_streamJszStream.wait_stream)r)__name__ __module__ __qualname____doc__intr#r%rrrrrBsc@sHeZdZedddZd ddddZddddZd ddd d ZdS) rrcCsdS)NTrr"rrrqueryOsz Event.queryNcCsdSr!rr$rrrrecordRsz Event.recordcCsdSr!rr+rrrr UszEvent.synchronizecCsdSr!rr$rrrwaitXsz Event.wait)N)N)r&r'r(boolr,r-r r.rrrrrNscCstS)zReturns the currently selected :class:`Stream` for a given device. Args: device (torch.device or int, optional): Ignored. N.B. This function only exists to facilitate device-agnostic code )_current_streamrrrrr`s c@sBeZdZUdZeeed<ddZddZe e e ddd d Z dS) rzvContext-manager that selects a given stream. N.B. This class only exists to facilitate device-agnostic code cur_streamcCs||_t|_dSr!)r_default_cpu_stream prev_streamr$rrrr#uszStreamContext.__init__cCs |j}|dkrdSt|_|adSr!)rr0r3)r"r1rrr __enter__ys zStreamContext.__enter__N)typevalue tracebackrcCs|j}|dkrdS|jadSr!)rr3r0)r"r5r6r7r1rrr__exit__szStreamContext.__exit__) r&r'r(r)rr__annotations__r#r4rr8rrrrrls   )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)rrrrrscCsdS)zReturns number of CPU devices (not cores). Always 1. N.B. This function only exists to facilitate device-agnostic code r rrrrrrscCsdS)zzSets the current device, in CPU we do nothing. N.B. This function only exists to facilitate device-agnostic code NrrrrrrscCsdS)zyReturns current device for cpu. Always 'cpu'. N.B. This function only exists to facilitate device-agnostic code cpurrrrrr s)N)N) r) contextlibrtypingrrrrrZ_devicer __all__strr*Z _device_tr/rrrr r rrr2r0rrrrrr rrrrs@