[webkit-dev] SquirrelFish Extreme for non x-86 platforms

Javed Rabbani jrabbani at gmail.com
Wed Dec 24 12:52:02 PST 2008

That means the current JS Engine (SquirrelFish Extreme) can be run on
embedded/mobile platforms in bytecode mode without JIT. Correct me if I am
wrong? If I am correct, then how to enable the engine's bytecode mode? There
are number of ENABLE switches related to current JS engine...

J R Shah

On Thu, Dec 25, 2008 at 12:49 AM, Maciej Stachowiak <mjs at apple.com> wrote:

> On Dec 24, 2008, at 6:46 AM, Holger Freyther wrote:
>  On Wednesday 24 December 2008 14:00:19 Javed Rabbani wrote:
>>> I want to know whether WebKit JavaScript Engine SquirrelFish Extreme
>>> (SFX)
>>> has been reported to work on any embedded, non-x86 platform?
>> No, the extreme variant is only working on x86 and work on progress on the
>> amd64...
> To be more specific:
> 1) The JS engine should work on any CPU and on most reasonable operating
> systems in bytecode mode. It's still pretty fast as bytecode - nearly an
> order of magnitude faster than the old WebKit JS engine.
> 2) Currently the JIT only fully works on x86 and will soon also work on
> x86_64 (currently some basic tests pass but neither performance nor
> correctness are where we want them to be).
> 3) We are considering ports of the JIT to other CPU architectures. For
> mobile platforms, it's not entirely clear whether the JIT will turn out to
> be better than the bytecode interpreter - the memory cost might outweigh the
> speed benefit.
> Regards,
> Maciej
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> webkit-dev at lists.webkit.org
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