software optimisation vs program optimization

software optimisation and program optimization both are nouns.

Word	Noun	Adjective	Verb	Adverb
software optimisation	Yes	No	No	No
program optimization	Yes	No	No	No

As nouns, software optimisation and program optimization are synonyms defined as:

software optimisation and program optimization: the process of modifying a software system to make some aspect of it work more efficiently or use fewer resources.

Other synonyms of software optimisation include program optimisation, software optimization.

software optimisation (noun)	program optimization (noun)
the process of modifying a software system to make some aspect of it work more efficiently or use fewer resources.	the process of modifying a software system to make some aspect of it work more efficiently or use fewer resources.