[webkit-gtk] [jsc-dev] Enable WebAssembly on Linux based ports (GTK and JSCOnly)

[Yusuke SUZUKI]

The patch enabling WASM on Linux is ready.
https://bugs.webkit.org/show_bug.cgi?id=164032

On Thu, Mar 2, 2017 at 2:55 AM, Andrea Giammarchi <
andrea.giammarchi at gmail.com> wrote:

> > AFAIU Zero is based on 32-bit ARM, and WASM requires B3 that is 64-bit
> only.
>
> performance for the already performant, seems legit :D
>
> I didn't know this precious detail, thanks a lot for the info!
>
> Never mind my previous email.
>
> Best Regards
>
> On Wed, Mar 1, 2017 at 5:16 PM, Konstantin Tokarev <annulen at yandex.ru>
> wrote:
>
>>
>>
>> 01.03.2017, 20:10, "Andrea Giammarchi" <andrea.giammarchi at gmail.com>:
>> > Chiming in, it'd be awesome to be able to test WASM on 2.16 behind a
>> flag, I'm targeting mostly SBC including Raspberry Pi 0 where WebKitGTK+
>> already works like a charm (enabling WebGL and with HW accelerated layers)
>> but I can't compare performance against WASM and building from scratch
>> targeting Pi Zero ain't the easiest thing to do.
>>
>> AFAIU Zero is based on 32-bit ARM, and WASM requires B3 that is 64-bit
>> only.
>>
>> >
>> > Thanks for eventual consideration.
>> >
>> > On Wed, Mar 1, 2017 at 4:57 PM, Yusuke SUZUKI <utatane.tea at gmail.com>
>> wrote:
>> >> On Thu, Mar 2, 2017 at 1:36 AM, Saam Barati <sbarati at apple.com> wrote:
>> >>> On Mar 1, 2017, at 7:46 AM, Michael Catanzaro <mcatanzaro at igalia.com>
>> wrote:
>> >>>
>> >>>> On Wed, 2017-03-01 at 15:44 +0100, Carlos Garcia Campos wrote:
>> >>>> We have recently branched for 2.16 so it's a perfect moment to enable
>> >>>> it in trunk with very little risk.
>> >>>>
>> >>>> Is Apple planning to enable it within the next six months? If so, now
>> >>>> is indeed the ideal time to enable it for WebKitGTK+.
>> >>>
>> >>> What do you mean by enable it? It's been on by default on the Mac
>> port for a while now and has been in the various STP releases.
>> >>>
>> >>> I think it's a good idea to enable it on other ports too. Note that
>> Keith is currently working on a patch to make loads faster in Wasm. It may
>> require some OS specific handling to run well on Linux:
>> https://bugs.webkit.org/show_bug.cgi?id=162693
>> >>
>> >> Awesome! I think enabling WASM on Linux after landing Keith's faster
>> memory access patch (by using SEGV signal handling instead of bound
>> checking) is good.
>> >> Once that patch is implemented and landed, we can start implementing
>> platform-specific part of that (extracting instruction pointer from
>> mcontext_t and signal handling part should be implemented for Linux).
>> >> I think that should be easy (since retrieving instruction pointer from
>> mcontext_t is already once implemented for sampling profiler. Thus, we can
>> share / re-implement the same thing for that).
>> >>
>> >>>> If not, then I'd prefer to wait until it's going to be enabled in the
>> >>>> macOS port.
>> >>>>
>> >>>> Michael
>> >>>> _______________________________________________
>> >>>> jsc-dev mailing list
>> >>>> jsc-dev at lists.webkit.org
>> >>>> https://lists.webkit.org/mailman/listinfo/jsc-dev
>> >>
>> >> _______________________________________________
>> >> webkit-gtk mailing list
>> >> webkit-gtk at lists.webkit.org
>> >> https://lists.webkit.org/mailman/listinfo/webkit-gtk
>> > ,
>> >
>> > _______________________________________________
>> > webkit-gtk mailing list
>> > webkit-gtk at lists.webkit.org
>> > https://lists.webkit.org/mailman/listinfo/webkit-gtk
>>
>>
>> --
>> Regards,
>> Konstantin
>>
>
>
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