Which namespace binding ? Isn't 'count eager ?
2010/9/24 Per Vognsen <per.vogn...@gmail.com> > The namespace binding is what's holding onto the head. This is a > common enough question (which tends to occur more in toy programs than > real ones) that it probably belongs in a FAQ. > > -Per > > On Fri, Sep 24, 2010 at 9:58 PM, Jeff Palmucci <jpalmu...@gmail.com> > wrote: > > Sorry, I posted this question and it turned up under the 1.3 Alpha 1 > > thread. Apparently you cannot reply to an email from the group, edit > > the header, and start a new discussion. Here it is again: > > > > I have a very simple test case in clojure 1.2: > > (def *100000000* (count (range 0 100000000))) > > I have a loop running in another thread that periodically causes a > > full gc and then prints the amount of used memory every 2 seconds. > > Evaluating the above form, I get: > > Used memory: 0.079951296 G > > Used memory: 0.32577516 G > > Used memory: 0.847947752 G > > Used memory: 1.377162736 G > > Used memory: 1.878349032 G > > Used memory: 2.202150656 G > > Used memory: 2.686696656 G > > Used memory: 3.14701836 G > > ... > > Seems like something is holding onto the front of the sequence. > > However, if I use the following instead: > > (def *100000000* (#(count (range 0 100000000)))) > > The problem goes away: > > Used memory: 0.07999508 G > > Used memory: 0.0799572 G > > Used memory: 0.07999796 G > > Used memory: 0.079997392 G > > Used memory: 0.111486904 G > > Used memory: 0.079995512 G > > Used memory: 0.11590836 G > > Used memory: 0.080138968 G > > Used memory: 0.080005136 G > > Used memory: 0.079963912 G > > Used memory: 0.07996396 G > > Used memory: 0.079964008 G > > Any ideas? > > > > -- > > 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<clojure%2bunsubscr...@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<clojure%2bunsubscr...@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
