python

PyTorch Flash Attention Dtype Error

RuntimeError: FlashAttention.*not supported.*dtype

Fixes

1.Cast input to float16 or bfloat16 for Flash Attention
2.Set attn_implementation='eager' to disable Flash Attention
3.Update PyTorch to version supporting Flash Attention 2

pytorchattentionflash

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