Assertion: efficiency | /r/HasProperty | the extent
Facets:
Source sentences:
text: As nouns the difference between efficiency and proficiency is that efficiency is the extent to which time is well used for the intended task while proficiency is ability, skill, competence.
text: As nouns the difference between efficiency and optimization is that efficiency is the extent to which time is well used for the intended task while optimization is the design and operation of a system or process to make it as good as possible in some defined sense.