2014-04-22 16:50 GMT+02:00 Lee Spector <lspec...@hampshire.edu>:
>
> On Apr 22, 2014, at 10:01 AM, Jony Hudson <jonyepsi...@gmail.com> wrote:
>
> > I recall reading that `lein run` uses JVM options optimised for startup
> time, not performance - as it's intended for use in development, not
> production. I can't seem to find where I read that though ...
>
> Somebody with actual knowledge of what's under the hood will undoubtedly
> be able to say more (and maybe correct me :-), but I've been led to believe
> that if you want things to run fast (at the expense of possibly longer
> startup time) with "lein run" then you actually want to use "lein
> with-profile production run".
>
> FWIW (not much) I'd prefer that that be the default, or that there be a
> somewhat more obvious/memorable syntax ("lein fast run"?).
>
> In our limited testing "lein with-profile production run" did indeed make
> a big difference, sometimes producing a ~2x speedup. This isn't as big as
> the difference that Cecil's getting with the uberjar though... and if we
> could get the ~5x speedup that he seems to be getting from uberjar then
> that would be fantastic. I guess we ought to just try that, but I'd
> appreciate any insights that knowledgable people here could provide on this.
>
That gives:
1 threads took 11811 milliseconds
2 threads took 6015 milliseconds
4 threads took 3155 milliseconds
6 threads took 2567 milliseconds
7 threads took 2356 milliseconds
8 threads took 2218 milliseconds
So that is comparable to uberjar. I will use this in the future. Thanks.
--
Cecil Westerhof
--
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.
