[Runtime][PipelineExecutor] Add Pipeline Executor Interface #10010
+271
−11
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Adding interfaces into Pipeline Executor to "run", "stop","set input",
and "get input" from the pipeline executor,
In this patch, we also implemented the "BackendRuntime" structure to
wrap the graph runtime interface in order to support pipeline executor
interface and implement data copy method. This method is used to
transfer data between two backend runtimes.
RFC: https://github.com/apache/tvm-rfcs/blob/main/rfcs/0014-pipeline-executor.md
Tracking Issue: #8596