Install callback to executor.
Install callback to executor. Supports installing to multiple exes
the Executor (returned by symbol.bind) to install to.
Number of batches between printing.
Number of batches between printing.
A function that computes statistics of tensors.
A function that computes statistics of tensors. Takes a NDArray and returns a NDArray. defaults to mean absolute value |x|/size(x).
Start collecting stats for current batch.
Start collecting stats for current batch. Call before forward
End collecting for current batch and return results.
End collecting for current batch and return results. Call after computation of current batch.
End collecting and print results
Monitor outputs, weights, and gradients for debugging.