compiler

US /kəmˈpaɪ.lɚ/
UK /kəmˈpaɪ.lɚ/
"compiler" picture
1.

a program that converts instructions into a machine-code or lower-level form so that they can be read and executed by a computer

:
The C++ compiler translated the source code into an executable program.
A good compiler can optimize code for better performance.