Thanks @comaniac @zhiics @giuseros @JaydeepIMG @JakeStevens for the review and discussion.
The compute pipeline runtime/executor PR already get submitted([Runtime]Pipeline Compute Graph With New Subgraph Executor by huajsj · Pull Request #7892 · apache/tvm · GitHub) , I also propose a new RFC([RFC] Compute graph pipeline with new subgraph executor) to explain our motivation and solution architecture. please kindly review.