Re: luajit and iOS
- From: Steve Dekorte <steve@xxxxxxxxxxx>
- To: luajit@xxxxxxxxxxxxx
- Date: Tue, 4 Sep 2012 18:17:58 -0700
Hi Tom,
I'm not an expert on this but my understanding is that iOS doesn't allow
non-Apple user
processes to mark new pages of memory as executable which is something that
JITs need to do.
I've heard the LuaJIT interpreter is ~4x faster than the standard Lua
interpreter on on iOS but
haven't tested it myself yet.
Steve
On 2012-09-04 Tue, at 05:58 PM, Tom Yaxley <tommitytom@xxxxxxxxx> wrote:
> I posted this on the lua mailing list and it was recommended that I
> post here instead:
>
> I'm aware that luajit can only be interpreted on iOS, but I was
> curious if this is a physical limitation of iDevices, or just a
> software limitation? For instance, could the jit compiler be used on
> a jailbroken iDevice? Secondly, is it possible o compile the jit code
> somehow so it can be loaded on an iDevice? Since then it wouldn't
> have to do any generation at runtime (or maybe it would, I'm not sure
> of the exact internals of luajit :) Cheers!
>
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