What about memoizing (clojure.core/memoize) the function that creates the leaves?
- James On 29 March 2014 11:36, <vte...@gmail.com> wrote: > Hi all, > > maybe someone here can point me to the right direction. I have a large > lookup tree (millions of entries), but the values in the leafs don't > contain much information. That is, the number of unique values stored in > leafs is rather small, same values are used over and over again. I load the > tree from DB and create leaf values one by one as vectors. Clojure creates > every time a new vector instance (e.g (= (java.lang.System/identityHashCode > [1 2]) (java.lang.System/identityHashCode [1 2])) evaluates always to > false) although most of the time there is no need for that because I > already have it somewhere and could just reuse previous instance. I > implemented that optimization manually and it works. The memory consumption > dropped 20 times. My question is, that is there any way Clojure can do this > optimization automatically (like Java handles strings for example)? Or are > there any libraries, that can help to do that? > > Thank you in advance, > > -- > 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. > -- 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.
