.NET Jit

Just - in - time compiler.

• part of CLR
• for all .net programs for all .net languages
• converts MSIL to native machine code
• compiles code when it is necessary at runtime
• also it is possible to pre-compile to native code at compile time instead

Further read:

https://www.geeksforgeeks.org/what-is-just-in-time-jit-compiler-in-dot-net/