python

TensorFlow Mixed Precision Underflow

tensorflow.*mixed_precision.*loss_scale.*underflow

Fixes

1.Increase initial_scale in LossScaleOptimizer
2.Use dynamic loss scaling with longer scale_window
3.Switch problematic layers to float32 with dtype policy

tensorflowmixed-precisionunderflow

Related Errors

Asyncio event loop already running

RuntimeError: This event loop is already running

•Use nest_asyncio.apply() to allow nested event loops
•Use asyncio.run_coroutine_threadsafe() instead of asyncio.run()

Coroutine never awaited

RuntimeWarning: coroutine '.*' was never awaited

•Add 'await' before the coroutine call
•Use asyncio.create_task() to schedule the coroutine

Asyncio task was cancelled

asyncio\.CancelledError

•Handle CancelledError in try/except within the task
•Use asyncio.shield() to protect critical sections from cancellation