On Nov 16, 2011, at 10:21 PM, Ryan Dahl wrote:
> On Thu, Nov 10, 2011 at 12:59 AM, Jorge <[email protected]> wrote:
>> On 10/11/2011, at 01:18, Jorge wrote:
>>> On 09/11/2011, at 19:49, Jeff Fifield wrote:
>>> 
>>>> How is your proposal better/worse/same/different than webworkers or just 
>>>> communicating with a pool of worker processes?
>>> 
>>> I'm not sure, we'll see.
>> 
>> One more thing:
>> 
>> The ability to launch a pool of node *processes* (not threads), + the 
>> ability to inter communicate them, with a good API that makes it easy (and 
>> fast), is at least as important as (if not more than) the need to run an 
>> in-process cpu-bound task asynchronously, without blocking the event loop, 
>> in the background.
>> 
>> The former is being developed by ry and co. (RyCo, SF), it's the .fork() 
>> thingy.
>> But the latter is not, and that's what I'm trying to address with this.
>> 
>> There's a reason for wanting the latter: if you delegate a long running 
>> cpu-bound task to a node worker *process*, you're gonna block its event loop.
>> That means that it will in fact go 'offline' for the duration of the task!
>> Not so with b/g threads.
> 
> I'm not sure what you mean about blocking here...
> 
>> OTOH, the OS resources such a file descriptors available to a single node 
>> process are not unlimited: it's easy to hit the limit if you try e.g. to 
>> open 100k files at once. This kind of problems are solved by a pool of 
>> (well) interconnected node processes, but not with threads.
> 
> 
> We're also adding Isolate support for v0.8. We should combine forces.
> Let's talk on IRC.

Today is the D day, finally: JavaScript threads for Node.js (using v8 isolates):

https://github.com/xk/node-threads-a-gogo

npm install threads_a_gogo

Special thanks to: Bruno Jouhier and Liam Breck.

Enjoy!
-- 
Jorge.

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