Robert Thorpe has an article up at Real World Tech which aims to answer that question. Programmers think of a compiler as a program that takes input in the form of a high level language and ...

Compiler The complete source code of a program produced in a high-level programming language is simultaneously translated into machine code (binary code) by a compiler, a specialized tool.

A senior Google database expert loves the JIT compiler, but others doubt its worth and say it could be hard to maintain.

Because GraalVM is the first compiler of its kind written completely in Java —a memory-safe language designed for productivity—unlike other compilers, it’s easy for developers to read and ...