graph { graph [clusterrank=local compound=yes ranksep=3] subgraph root { graph [label=root] "op_root!fill" [label=<

fill
data

> shape=plain] "op_root!hreduce" [label=<

hreduce
src | dest

> shape=plain] slot_root_src [label=<src
10×5
10×5
float32> shape=box] slot_root_dest [label=<dest
10
10
float32> shape=box] } "op_root!hreduce":src -- slot_root_src "op_root!fill":data -- slot_root_src "op_root!hreduce":dest -- slot_root_dest }