efficiently
US /ɪˈfɪʃ.ənt.li/
UK /ɪˈfɪʃ.ənt.li/

1.
in a way that achieves maximum productivity with minimum wasted effort or expense
:
•
The new system processes data much more efficiently.
•
She manages her time very efficiently.
in a way that achieves maximum productivity with minimum wasted effort or expense