I think the 'performant code' is not so much as a must have for those - like me - that are more interested in the logic rather than the code itself. Also, IMH

I think the 'performant code' is not so much as a must have for those - like me - that are more interested in the logic rather than the code itself. Also, IMHO a high level abstraction would be preferred when porting/coding said logic to another programming language.