Straight port of the Java code: https://github.com/swannodette/persistent-vector/blob/master/persistent-vector.js
Some quick performance notes: 10-25X longer to build than JS Array (could be improved w/ transients) 5-6X slower to access than JS Array But of course versus copy-on-write there's no competition: http://jsperf.com/persistentvector-js/6 David On Mon, Mar 5, 2012 at 11:10 AM, László Török <ltoro...@gmail.com> wrote: > David, > > Was it a straight port of the jvm implementation? > Is there any gist, blog post of your findings? > Thx > L > > sent from my mobile device > > On Mar 5, 2012 5:05 PM, "David Nolen" <dnolen.li...@gmail.com> wrote: > >> On Mon, Mar 5, 2012 at 10:55 AM, László Török <ltoro...@gmail.com> wrote: >> >>> Hi, >>> >>> I may not be fully up to speed with the latest developments re. >>> Clojurescript, so please bear with me. >>> >>> I was wondering, what are the impediments of implementing persistent >>> data structures in Clojurescript similar to those Clojure already has? >>> (and getting rid of the current copy-on-write whenever I create a new >>> value out of an existing one) >>> >>> Thanks! >>> >>> -- >>> László Török >>> >> >> We should definitely implement persistent data structures for >> ClojureScript. I've done some initial tests and the modern JS engines seem >> to handle them quite well. I think their performance will only continue ot >> improve. If you've sent in your CA feel free to start on them and note your >> progress on via tickets on JIRA :) >> >> David >> >> -- >> 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 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 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
