Criterium automates the JVM warmup process. On Sunday, February 1, 2015 at 1:16:37 PM UTC-6, Ashton Kemerling wrote: > > Also remember to give the JVM some warm up time, as the JVM depends > heavily on JIT style optimizations, and measuring performance without it > might not represent real world behavior, > > -- > Ashton > > On Saturday, January 31, 2015 at 11:39:05 PM UTC-7, Mars0i wrote: >> >> You also might want to use Criterium >> <https://github.com/hugoduncan/criterium> rather than *time *for >> accurate benchmarking*.* >> >> On Friday, January 30, 2015 at 6:54:52 AM UTC-6, Maris wrote: >>> >>> >>> yes, it helped :-) >>> >>> type hints make non-trivial difference >>> >>> thank you >>> >>> On Friday, 30 January 2015 12:43:40 UTC, Nicola Mometto wrote: >>>> >>>> >>>> If you set! *warn-on-reflection* to true, you'd see a lot of reflection >>>> warnings from your code. >>>> >>>> Type-hinting the code like this: http://sprunge.us/ATiV makes your >>>> example execute in 120ms on my machine. >>>> >>>> Maris writes: >>>> >>>> > I implemented leftist heap (from Purely Functional Data Structures >>>> book) >>>> > in clojure. >>>> > >>>> > https://gist.github.com/maruks/135fef92455578b61de2 >>>> > >>>> > It takes 32 seconds to insert 100000 elements in heap: >>>> > >>>> > (time (peek (reduce conj (empty-heap) (range 10000000 20000000 >>>> 100) >>>> > ))) >>>> > "Elapsed time: 32649.71438 msecs" >>>> > 10000000 >>>> > >>>> > Why is it so much slower than SML NJ? Something wrong with my code? >>>> > >>>> > >>>> > Here is SML version: >>>> > https://gist.github.com/maruks/c863eac9cf057a071307 >>>> > >>>> > And function that inserts 100000 elements in *54* milliseconds ! >>>> > >>>> > fun test(n:int) : int = >>>> > let >>>> > val r = List.tabulate(n, fn x => 10000000 + 100 * x) >>>> > val h = foldl ( fn (e, h) => IntHeap.insert(e , h) ) IntHeap.empty >>>> r >>>> > in >>>> > IntHeap.findMin(h) >>>> > end >>>> >>>> -- >>>> >>>
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