Just-in-Time compiler

Akronim: JIT Compiler

JIT Compiler
Just-in-Time compiler. A compiler that allows programs (possibly ones
compiled into an intermediate byte code) to be automatically compiled
into native machine code on the fly. Java and
.NET use JIT compilers.
A consequence of using a JIT Compiler is that the first use of a
software resource is typically much slower than subsequent uses. This is
why a website written using .NET is slow to respond when the first page
on the site is requested, but much faster thereafter.

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