Do not multi-thread Node. On Mon, Feb 18, 2013 at 12:31 PM, Chris Ackerman <[email protected] > wrote:
> There is no threading support in Node, however there is support for > spawning new node processes with a simple API for inter process > communication. This approach was taken because the platforms that Node > works on do not all have a common threading model and it was deemed simpler > both for the node devs and node end users, to stick with worker processes. > > However, I would definitely like true threads in node, not least because > creating and killing a thread does not entail the overhead creating and > killing a process does. > > > On Sunday, February 17, 2013 4:15:48 PM UTC-8, RF wrote: >> >> Hi, >> >> I'm CS student who is new to Node, and I have two questions: >> >> 1. Is there currently an existing mechanism (e.g. module, core >> functionality) that allows Node applications to spawn multiple threads (to >> take advantage of multiple cores for true parallelism) ? >> 2. If not, would this be a desirable feature? >> >> My understanding is that Node applications use a single thread to handle >> everything by queuing events on an event loop to be processed sequentially. >> I also understand that this is the core feature that allows Node to grant >> efficiency gains for specific types of applications, and is the (main?) >> source of Node's popularity. >> >> Given this fact then (and assuming that it's correct), it would seem >> counter-intuitive to enable multi-threaded functionality in Node when there >> are other languages/frameworks available potentially more suited to >> multi-threaded behavior. >> However, an example use case that I'm thinking of is a situation whereby >> an existing Node application needs to be adapted or extended with some >> functionality that would benefit from true parallelism. >> So, maybe 3 or 4 threads could be created that would handle 3 or 4 tasks >> more efficiently than Node's existing sequential behavior, while still >> taking advantage of Node's established execution model in other areas of >> the application. >> >> I was thinking along the lines of creating a Node module that exposes an >> interface for creating threads and supplying them with the necessary >> function (and also some mechanisms for dealing with shared data concurrency >> and consensus issues). >> I have searched unsuccessfully through available resources in an attempt >> to answer the above questions, so I'm hoping that someone can help me out. >> >> Regards, >> -Rob >> > -- > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
