JIT

Thread view:

Enable EMail Alerts

Start New Thread

Thread rating:

Greg - 20 Jan 2006 05:14 GMT

If I'm not mistaken, for a .NET exe, the JIT compiles the code every time it
is run?
This seems very inefficient, if the JIT has compiled the code, why not
output native so that when it is rerun, it does not have to be compiled? It
seems odd to have to compile a program every time it is run.

Signature

Greg McPherran
www.McPherran.com

Reply to this Message

Vadym Stetsyak - 20 Jan 2006 15:17 GMT

AFAIK JIT compiler doesn't compile whole application.
If the part of application is not used it is not compiled.

So storing compiled application parts seems not to be efficient enough,
becouse introduces application change tracing. Binary parts must be always
"synchronized" with the app code.

In order too boost the loading ( remove compilation ) - you can use NGEN
tool to produce compiled binary.

Signature

Vadym Stetsyak aka Vadmyst
http://vadmyst.blogspot.com

> If I'm not mistaken, for a .NET exe, the JIT compiles the code every time
> it
[quoted text clipped - 3 lines]
> It
> seems odd to have to compile a program every time it is run.

Reply to this Message

=?iso-8859-1?Q?Patrik=20L=f6wendahl=20[C#=20MVP]?= - 21 Jan 2006 01:19 GMT

NGEN is also a memory saver since you get alot less private pages in memory
when executing code in ngene'd assemblies.

--
Patrik Löwendahl [C# MVP]
http://www.lowendahl.net

> AFAIK JIT compiler doesn't compile whole application. If the part of
> application is not used it is not compiled.
[quoted text clipped - 19 lines]
>> Greg McPherran
>> www.McPherran.co

Reply to this Message

Rate this thread:

JIT

Free Magazines