anirudh2290 commented on issue #9681: Better Exception Handling for Operators URL: https://github.com/apache/incubator-mxnet/pull/9681#issuecomment-363241899 @piiswrong Trying to understand your comment. Lets say we have some code snippet like the below: ``` try: x, y, z = op() x.asnumpy() except: handle_exc() y = op2(y) y.asnumpy() ``` If we clear the exception_ptr corresponding to the var y when x.asnumpy() is executed, y may have some garbage value in it. op2 may end up executing fine, and after the last line `y.asnumpy()` we have no exception thrown. Shouldn't all the vars and ops which are in the chain following a failed op also fail ? Not doing this, will lead to the vars in the dependency chain following a failed op having non-deterministic garbage values depending on how the failed op and the following ops behave.
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