Update README.md #3712

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	14m 30s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	52m 55s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	20m 41s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	33m 11s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	21m 45s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	19m 2s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	21m 40s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	16m 9s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	22m 30s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	15m 4s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	14m 35s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	32m 51s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	44m 16s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	36m 56s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	29m 3s
pytorch_tutorial_build_manager	21m 48s
	6h 56m 56s

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