On Thu, Feb 10, 2011 at 9:49 PM, Andy Fingerhut <andy.finger...@gmail.com> wrote: > > On Feb 10, 2011, at 6:37 PM, Ken Wesson wrote: > >> On Thu, Feb 10, 2011 at 7:49 PM, Andy Fingerhut >> <andy.finger...@gmail.com> wrote: >>> >>> I've published that program at the link below. It contains comments >>> marking >>> two lines in the function gen-random-fast where the Hotspot JVM profiler >>> tells me that the CPU is spending lots of time in >>> java.lang.Integer.valueOf >>> (Clojure 1.2.0). I can't seem to get rid of these calls to >>> Integer.valueOf >>> even after trying about half a dozen different variations of >>> type-hinting. >>> Can anyone else see a way to change the program to avoid those calls? >>> >>> >>> http://github.com/jafingerhut/clojure-benchmarks/blob/master/fasta/fasta.clj-10.clj >> >> I don't get any reflection warnings with (gen-random-fast) on 1.2. Do you? > > Nope. No reflection warnings. But the profiler does show significant > amounts of CPU time spent in java.lang.Integer.valueOf. Maybe it is > mistaken or misleading output from the profiler, but I'm inclined to believe > it so far.
Then you've got boxed primitives, but the Clojure compiler knows what types they all are... -- 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
