PS. We are now TEN TIMES faster, so it is a lot easier to compute that percentage:
#'uuid/v1: 201 nanoseconds #'java.util.UUID/randomUUID: 2012 nanoseconds Best, Dan On Tuesday, March 3, 2015 at 3:06:35 PM UTC-5, danl...@gmail.com wrote: > > I invoked "engineer's privilege" to quote the number very conservatively. > In one of the later episodes, didn't Scotty confide that the Enterprise > actually went up to warp 11, he just never told anyone? :) > > Actually, you are right -- I noticed it after I hit "send". As you can > tell, the relative performance number has been a little bit of a moving > target as things improved quickly and I grabbed the number from a little > too far back in the REPL. > > Thanks Jacob. I really do hope this is a library that people will find > modestly useful. > > > > On Tuesday, March 3, 2015 at 2:45:38 PM UTC-5, Jacob Strength wrote: >> >> That is pretty amazing, I'll have to remember this library next time I >> need to use UUID's. >> Also I think you meant 450% faster. >> >> On Sunday, March 1, 2015 at 5:35:16 PM UTC-7, danl...@gmail.com wrote: >>> >>> Ok, for anyone following my adventures optimizing clj-uuid, I've gotten >>> another substantial win. >>> Check it out: http://danlentz.github.io/clj-uuid >>> >>> #'uuid/v1: 443 nanoseconds >>> #'java.util.UUID/randomUUID: 2012 nanoseconds >>> >>> Also, the test suite has much greater coverage with individual tests for >>> each v1, v,3, v4, v5 uuid version. >>> And, finally, there more interesting notes about some of the esoteric >>> details of the node-id representation >>> and the way it is calculated to disambiguate it from any legal 802 MAC >>> hardware address. And more.... ;) >>> >>> >>> ====================================================================== >>> >>> user> (criterium/bench (uuid/v1)) >>> >>> Evaluation count: 139356300 in 60 samples of 2322605 calls. >>> Execution time mean: 443.707611 ns >>> >>> >>> user> (criterium/bench (java.util.UUID/randomUUID)) >>> >>> Evaluation count : 30850980 in 60 samples of 514183 calls. >>> Execution time mean : 2.012861 µs >>> >>> >>> -- 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.
