You might want to check out this talk by Leon Barrett at Clojure/West 2015 https://www.youtube.com/watch?v=BzKjIk0vgzE&index=2&list=PLZdCLR02grLrKAOj8FJ1GGmNM5l7Okz0a
Erik. > On 15. jul. 2015, at 05.02, Daniel Higginbotham <nonrecurs...@gmail.com> > wrote: > > I’ve been trying to better understand ways to increase the performance of > Clojure programs and I’ve run into an interesting issue with using the > reducers library. I’d love any help! The code I’m working on is at > https://github.com/flyingmachine/quil-pix/tree/4cce95390f5ac7a206cc14a8ec5a4a2492c813fc > > The issue I’m having is that reducers/map has the same performance as > core/map, and it doesn’t seem like that should be the case. (The current code > (https://github.com/flyingmachine/quil-pix/blob/4cce95390f5ac7a206cc14a8ec5a4a2492c813fc/src/quil_pix/blur.clj#L73) > uses mapv, but I’ve also tried just map.) pmap is ~3x faster. > > Surely reducers/map should be faster, but it doesn’t seem like I’ve done > something wrong? This is driving me crazy :) > > Daniel > > -- > 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.