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

[Yusuke SUZUKI]

WebAssembly has been enabled on Linux ports in
https://trac.webkit.org/changeset/213450.

Regards,
Yusuke Suzuki

On Sun, Mar 5, 2017 at 6:24 PM, Yusuke SUZUKI <utatane.tea at gmail.com> wrote:

> 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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