GC means pauses. Swift doesn't have proper GC, only ref counting because of that. GC pauses in UI are bad. I like idea of Clojure on some new fancy high performance language like Go or Swift.
On Wednesday, June 4, 2014 4:08:17 PM UTC+2, tbc++ wrote: > > I'm starting to feel like a broken record, but here we go. > > Some things to think about: > > 1) Why do you want this? The JVM GC and JIT are some of the fastest (if > not the fastest) on the planet, so performance will never be a good reason > to do this. > 2) Do you want something like eval? As far as I can tell Swift is > statically compiled. Only XCode has the ability to modify a program on the > fly. > 3) Clojure is highly polymorphic and dynamically typed. Walk the source > code for first and next and you'll find something like 3-4 polymorphic > calls involved in something as simple as (doseq [x (range 100)]), per item. > 4) I have yet to see performance numbers for Swift....how fast/slow is it > compared to other languages? > > To put this all into perspective, I once translated LazySeq to C++ and ran > some code (with a GC) that performed something like (doall (range 100000)). > The result was about 10x slower than Clojure on the JVM. So simply running > something in C++/LLVM doesn't mean that you'll even get close to the > performance of the JVM. > > Memory constrained systems might benefit from a LLVM Clojure. In addition > there's room for improvement with the JVM's horrible warmup times. Python > will boot instantly on most systems while the Clojure REPL takes about a > minute to boot on the RPi. But aside form that, I can't see much of a > point. > > If you want something like this there's always ( > https://github.com/galdolber/clojure-objc) > > Timothy > > > > > On Wed, Jun 4, 2014 at 7:20 AM, Greg Knapp <virtua...@gmail.com > <javascript:>> wrote: > >> The recent release of Swift made me revisit Clojure on LLVM. This post >> from 2010 >> <https://groups.google.com/d/msg/clojure/KrwtTsdYZ8I/Qf8PSMeoZCUJ> >> suggests it's a very difficult task. >> >> Swift would make this job easier? As with ClojureScript, generate Swift >> code / provide interop and Clojurian's can produce native iOS apps? >> >> Perhaps the biggest hole to be filled would be tooling (Xcode is not >> Clojure/Lisp friendly? i.e. no playground support) >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clo...@googlegroups.com >> <javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> 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+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > “One of the main causes of the fall of the Roman Empire was that–lacking > zero–they had no way to indicate successful termination of their C > programs.” > (Robert Firth) > -- 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.
