[Freeswitch-dev] TraceMonkey

Thu Jul 1 19:47:39 PDT 2010

Can you have 1 context per thread the same way we do it now in the other
languages?
lua has a similar limitation but we just start a whole lua interpreter per
thread/script.

On Thu, Jul 1, 2010 at 8:51 PM, Jan Berger <jan.berger at video24.no> wrote:

>  So in short – if a call executes a long script the other calls will be
> queued unable to process events – V8 is a joke as a scripting environment if
> you can’t create multiple environments.
>
>
>
> I kind of see a poor IVR developer that accidentally made an ever loop and
> the entire companies phone system is down J
>
>
>
> Obviously – I can get around it using several processes, but processes are
> bloody expensive on any OS.
>
>
>
> ---
>
>
>
> Will have a chat with the Danes about this one – thanks.
>
>
>
> Jan
>
>
>  ------------------------------
>
> *From:* Joegen E. Baclor [mailto:joegen at opensipstack.org]
> *Sent:* 2. juli 2010 03:27
> *To:* Jan Berger
> *Cc:* freeswitch-dev at lists.freeswitch.org
>
> *Subject:* Re: [Freeswitch-dev] TraceMonkey
>
>
>
> For some reason, my email address is being blocked by the moderator so the
> list is not getting this mail.   The problem with v8 threading is really
> simple.
>
> 1.  Google V8 only allows one context to execute at a time.
> 2.  If you are using multiple context design, they must be executed using
> exactly the same thread via a single event loop.
>
> Failure to do this will result to a corrupt stack.
>
>
>
> On 7/2/10 9:06 AM, Jan Berger wrote:
>
> What exactly is the problem with threading?
>  ------------------------------
>
> *From:* Joegen E. Baclor [mailto:joegen at opensipstack.org<joegen at opensipstack.org>]
>
> *Sent:* 2. juli 2010 02:40
> *To:* freeswitch-dev at lists.freeswitch.org
> *Cc:* Jan Berger
> *Subject:* Re: [Freeswitch-dev] TraceMonkey
>
>
>
> I have been using Google V8 for nearly a year now in one of our commercial
> SIP product offerings and it scales quite well.   The only gotcha so far is
> that google V8 contexts do not go well with a multi threaded environment.
> That would force application design to always use async-IO.   One good proof
> of this all async project is node.js.
>
> http://nodejs.org/
>
> I think it would also be a good idea to integrate this project into
> free-switch which would instantly give free-switch access to a vast number
> of JS API including sockets and HTTP client.
>
> my 2 cents.
>
> Joegen
>
> On 7/2/10 7:24 AM, Jan Berger wrote:
>
> I almost fell asleep when I reached the instruction to download Phython...
>
>
>
> But, once you’ve done phyton + scons its basically just setting the correct
> parameters on scons from what I can see.
>
>
>
> Looked a bit into Chrome source as well – considering nicking parts of it.
> CCXML/VXML is after all browsers.
>
>
>
> ---
>
>
>
> Actually I did not realize that Google was building their own Inet-OS. What
> could be very cool was if we could get a Videophone running on Chrome to
> connect to FreeSWITCH – it will be plenty of iPad alike devices out running
> Chromium soon.
>
>
>
> Jan
>
>
>
>
>
>
>  ------------------------------
>
> *From:* freeswitch-dev-bounces at lists.freeswitch.org [
> mailto:freeswitch-dev-bounces at lists.freeswitch.org<freeswitch-dev-bounces at lists.freeswitch.org>]
> *On Behalf Of *Anthony Minessale
> *Sent:* 1. juli 2010 20:05
> *To:* freeswitch-dev at lists.freeswitch.org
> *Subject:* Re: [Freeswitch-dev] TraceMonkey
>
>
>
> it took me a while to figure out how to build v8 with 64 bit, and now i
> forgot again.
>
> it uses scons to build and I wish i could remember because it took me an
> hour to figure it out.
>
> lucky for us FS mods can be c++ so it would be plausible to make a mod_v8
>
> On Thu, Jul 1, 2010 at 11:55 AM, Jan Berger <jan.berger at video24.no> wrote:
>
> Yes – I am going to give V8 a try actually – this looks very promising. Got
> a bit lost in the jungle of all the monkey’s J
>
>
>
> The compiler side of Tamarin is not ready yet + it’s also been complains
> that it’s slower than SpiderMonkey on the VM.
>
>
>  ------------------------------
>
> *From:* freeswitch-dev-bounces at lists.freeswitch.org [mailto:
> freeswitch-dev-bounces at lists.freeswitch.org] *On Behalf Of *Anthony
> Minessale
> *Sent:* 1. juli 2010 17:56
>
>
> *To:* freeswitch-dev at lists.freeswitch.org
>
> *Subject:* Re: [Freeswitch-dev] TraceMonkey
>
>
>
> We've been waiting for a modern js engine to mature since shortly after we
> started FS.
>
>
>
> V8 has promise as well.  It's a matter of making sure there is a good
> choice before doing all the work of integration.
>
>
>
>
>
> On Thu, Jul 1, 2010 at 3:56 AM, Jan Berger <jan.berger at video24.no> wrote:
>
> https://wiki.mozilla.org/JaegerMonkey
>
>
>
> Didn’t see this – might be an easier path to just wait for this to mature.
>
>
>
> Jan
>
>
>  ------------------------------
>
> *From:* freeswitch-dev-bounces at lists.freeswitch.org [mailto:
> freeswitch-dev-bounces at lists.freeswitch.org] *On Behalf Of *Jan Berger
> *Sent:* 1. juli 2010 10:38
>
>
> *To:* freeswitch-dev at lists.freeswitch.org
>
> *Subject:* [Freeswitch-dev] TraceMonkey
>
>
>
> Hi,
>
>
>
> Was searching for updated JavaScript alternatives and found this
> Tamarin/TraceMonkey. Do anyone have experience with this version? They claim
> a 5-10 x speed increase compared to the older SpiderMonkey
>
>
>
> “*Tamarin* is a JavaScript <https://developer.mozilla.org/en/JavaScript>engine written in C++. It currently implements Adobe ActionScript™ 3 (a
> superset of ECMAScript Edition 3) and is embedded within the Adobe® Flash®
> Player versions 9 and later.  Tamarin's jit-compiler,  NanoJIT, is also used
> in TraceMonkey <https://wiki.mozilla.org/JavaScript:TraceMonkey> ergo
> SpiderMonkey, which is Mozilla’s JavaScript engine in Firefox.”
>
>
>
> https://developer.mozilla.org/en/Tamarin#Get_Involved!
>
>
>
> Is anyone interested in having a mod_tracemonkey for FreeSWITCH – or is
> someone already working on this?
>
>
>
> Jan
>
>
>
>
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> --
> Anthony Minessale II
>
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> --
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
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-- 
Anthony Minessale II

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