What version of Clojure are you using? This seems like a use case where transducers could help significantly in avoiding lazy effects and intermediate objects.
On Monday, November 17, 2014 4:28:12 AM UTC-6, Alexander L. wrote: > > Hi all, > > I understand that the following question is a long shot without any proper > proof/tests from my side but it's a little bit difficult to make a test > case from the specific part of my app so I will just ask anyway in case > anyone knows anything. > > The situation is like this: > > - I have a hashmap with *3386* items that I pass through few functions > in order to append new keys or update existing ones to each hashmap entry. > - Each hashmap item has 20 keys with various data types (mostly > strings) > - All my transformation functions use `reduce`. > > The problem: > > I have a top level function which I inside it I call 7 other functions > (all written by me) and for some reason I haven't discovered is that it > needs around 2 seconds to return a result even though the items aren't many. > Now, i used `time` to benchmark each function and when I found which one > is taking a lot of time to return, after I removed it, I discovered that > the problem still existed but now moved on to a different function. > > I did a bunch of tests with those 3386 on the REPL and reduce but I didn't > notice anything weird/slow so it must be a combination of things. Also, i > doubt that this is a RAM problem, i have allocated 4GB for the JVM. > > So, my question is, has anyone every seen a situation like this with a > bunch of `reduce` calls? Is there anything at all that I should check and > maybe missed it? > > Regards > > Alex > -- 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.
