MyungJoo Ham

> Hello could you let us know the progress on this issue.. Since we (from ASU) are also working and facing the same issue. It's not refactored, yet. You will...

> Hello could you let us know the progress on this issue.. Since we (from ASU) are also working and facing the same issue. #2549 may be interesting to you.

Next trial: https://stackoverflow.com/questions/40488242/python-callbacks-on-different-threads-the-gil

Deprecated by #4347 #4348 #4349 and its following global reference counter PR

Newer PRs are better

They are either already fixed or not-to-be-fixed.

gichan started looking at matter; however, the direction will be much different from this.

@songgot, please identify Public APIs required for tensor_trainer in pipelines and datarepo src/sink. You don't need to add APIs for training in general, that's for ML Training API. And register...

TODO: 1. printout results 2. shorten gtest 3. add supression conditions

Dropping this. Revive this when someone wants to resume working on it.