Re: FYI: No JIT on Windows 8 for ARM
- From: Coda Highland <chighland@xxxxxxxxx>
- To: luajit@xxxxxxxxxxxxx
- Date: Mon, 28 May 2012 11:56:00 -0500
On Mon, May 28, 2012 at 4:03 AM, Dušan D. Majkić <dmajkic@xxxxxxxxx> wrote:
>> The WinRT API does not offer the equivalent of VirtualAlloc() or
>> VirtualProtect() with the ability to make code executable at
>> runtime.
>
> There is one obvious and completely legal way left to
> mark code executable for both iOS and WinRT: plain compiler.
>
> Even "no code download" limitation favors such a solution,
> since all scripts should be available within the app bundle, and
> there is LuaJIT interpreter left for in-memory modified scripts.
>
> Beside obvious static compiling, I wonder if Lua code could
> be run and jited on "big" os, and then somehow recorded to
> loadable "pre-jited" lib which can be distributed as part of
> application on iOS or WinRT or whatever_limited_appstore?
>
> -- Regards
> Dusan Majkic
>
I don't think you understand what "JIT" means. It is run-time
compilation by definition. Precompilation means you don't get any of
the hotspot optimizations etc. -- kinda defeats the purpose. Besides,
at that point, why not just use C?
/s/ Adam
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