[Freeswitch-dev] TraceMonkey

Thu Jul 1 18:27:16 PDT 2010

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]
> *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> 
> [mailto: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 
> <mailto: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 
> <mailto: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> 
> [mailto: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 
> <mailto: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 
> <mailto: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> 
> [mailto: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 
> <mailto: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^(TM) 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/
> ClueCon http://www.cluecon.com/
> Twitter: http://twitter.com/FreeSWITCH_wire
>
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