A tutorial on pin_memory and non_blocking usage #2600

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	6m 12s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	6m 9s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	6m 11s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	6m 10s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	6m 10s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	6m 9s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	6m 18s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	6m 29s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	6m 17s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	6m 18s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	6m 19s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	6m 28s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	6m 10s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	6m 18s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	6m 18s
pytorch_tutorial_build_manager	1s
	1h 33m 57s

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