Rich just pushed a change to the String hashing to address this. We're going to grab the string hashcode (which is cached after first call) and murmur the result of that. This gives us constant time hashcode after first call with better distribution for combinations in nested collections. Will be in presumed RC2.
On Wednesday, March 19, 2014 11:26:51 AM UTC-5, Stefan Kamphausen wrote: > > > > On Wednesday, March 19, 2014 4:34:45 PM UTC+1, Alex Miller wrote: >> >> Thanks, this is all really useful. I would appreciate any more detailed >> info. >>> >>> >>> > * No atoms, agents, refs > * Almost purely functional plus logging and I/O > * Multi-threaded using latest core.async with thread, no go > * JVisualVM reports top methods in CPU sampling c.l.LazySeq.sval, > c.c$promise$reify_6310.deref, c.l.LazySeq.seq no notable difference for me > to see. > > A few experiments on two data-sets (dat1 and dat2) using either a call to > set or to doall: > > Clojure Op Time (dat1) Time (dat1) Average dat1 Time (dat2) 1.5.1 set > 19,1 19 19,05 323 1.5.1 doall 19 19,4 19,2 330 1.6.0-RC1 set 19,5 19,8 > 19,65 350 1.6.0-RC1 doall 20,2 19,8 20 351 > > > > > -- 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.
