The cost of creating that extra collection will be vastly overshadowed by the cost of running pmap. pmap involves the use of several locks, and thread co-ordination primitives, these will most likely be orders of magnitude more expensive than an extra allocation.
Timothy On Sun, Apr 17, 2016 at 12:38 AM, JvJ <kfjwhee...@gmail.com> wrote: > Perhaps I should have rephrased. I meant calling it in such a way that > the result is a hash map. > > I know I could do something like: > > (into a (pmap f a)) > > This will give the same result, but there's an extra collection in there > that I'm not sure is necessary. > > > On Saturday, 16 April 2016 20:15:51 UTC-7, Alex Miller wrote: >> >> You can call pmap on hash maps! > > -- > 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. > -- “One of the main causes of the fall of the Roman Empire was that–lacking zero–they had no way to indicate successful termination of their C programs.” (Robert Firth) -- 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.
