program optimisation vs software optimization

program optimisation and software optimization both are nouns.

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

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

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

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

program optimisation (noun)	software 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.