I kicked this with my local TF expert, and the short answer is no; For this TF does not have a built-in tool. However, you can write custom endpoint levels (input and output) with synchronizing operations from Python process control, so that they support parallel processing of each input and combine outputs.
Justification
I like how this can be used to get more precision with multiple functions where the functions have little or no correlation. For example, you can train two character recognition models: one to identify numbers, and the other to distinguish between left and right authors.
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