Comparing CSP and promises is apples-to-oranges. I'd love to see a minimal sample of problematic code.
On Tuesday, March 11, 2014 1:39:54 PM UTC-4, Эльдар Габдуллин wrote: > > Each go block is executed via thread pool. On a channel side, producers > and consumers are also decoupled. > Such decoupling costs around 10-20 us per async operation. For the cases > when your async > values are immediately available (e.g. from cache), or when you designed > an async > API just because your operations may block for a long but not necessary > do, those are huge numbers. > > For example, I recently worked on a dependency injection > container<https://github.com/dar-clojure/core> which > supports async computations. > Asynchrony in one place means that all you API will be async everywhere. > Natural way to go with implementation is to just > wrap everything in a go block. However, after doing that I found that > container became 50 times slower. 5 us overhead for a > typical task turned into 250 us. > > As a solution I forked <https://github.com/dar-clojure/async> core.async > and replaced channels with lightweight promises and removed thread pool > dispatch from > everywhere. Now async container implementation is only 5 times slower than > its sync version, which is probably acceptable. > > I'd like to hear what others think about this issue, especially members of > the core team. > > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
