Convert computational graph diagrams to Mermaid #6101

Job	Run time
build / pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	34m 24s
build / pytorch_tutorial_build_worker (8, 15, linux.g5.4xlarge.nvidia.gpu)	53m 39s
build / pytorch_tutorial_build_worker (10, 15, linux.g5.4xlarge.nvidia.gpu)	30m 28s
build / pytorch_tutorial_build_worker (14, 15, linux.g5.4xlarge.nvidia.gpu)	22m 29s
build / pytorch_tutorial_build_worker (12, 15, linux.g5.4xlarge.nvidia.gpu)	20m 20s
build / pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	18m 12s
build / pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	24m 25s
build / pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	53m 51s
build / pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	18m 45s
build / pytorch_tutorial_build_worker (7, 15, linux.g5.4xlarge.nvidia.gpu)	17m 3s
build / pytorch_tutorial_build_worker (9, 15, linux.g5.4xlarge.nvidia.gpu)	29m 31s
build / pytorch_tutorial_build_worker (11, 15, linux.g5.4xlarge.nvidia.gpu)	32m 28s
build / pytorch_tutorial_build_worker (13, 15, linux.g5.4xlarge.nvidia.gpu)	16m 33s
build / pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	25m 35s
build / pytorch_tutorial_build_worker (15, 15, linux.g5.4xlarge.nvidia.gpu)	16m 17s
build / pytorch_tutorial_build_manager	22m 26s
	7h 16m 26s

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