least_busy¶
- least_busy(backends)[source]¶
Return the least busy backend from a list.
Return the least busy available backend for those that have a
pending_jobsin theirstatus. Note that local backends may not have this attribute.- Parameters
backends (
List[BaseBackend]) – The backends to choose from.- Return type
- Returns
The backend with the fewest number of pending jobs.
- Raises
IBMQError – If the backends list is empty or if a backend in the list does not have the
pending_jobsattribute in its status.