[Melbourne-pm] Dancing around the event horizon
kahlil.hodgson at dealmax.com.au
Wed Jun 3 20:28:19 PDT 2015
Thanks muchly for the pointers! Fedora 21 comes with OpenJDK 8 so I'm in
luck if I want to play with Zero.
Kahlil (Kal) Hodgson GPG: C9A02289
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"All parts should go together without forcing. You must remember that
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On 4 June 2015 at 12:44, Toby Corkindale <
toby.corkindale at strategicdata.com.au> wrote:
> Apologies for broken quoting below; the work email system seems to suck in
> that regard.
> There is a list of a hundred JVMs on wikipedia but for ones actually
> worth looking at, I'd say they are:
> The original - Oracle/OpenJDK 8. Oracle's version is based off OpenJDK
> these days, so is pretty similar on x64 architectures, but they seem to
> have a much better ARM implementation.
> I haven't seen openjdk8 packages for major distros yet, but Oracle's has
> been around for a while so that's what I've been using.
> You get both the regular hotspot, and also the "Zero" backend as part of
> openjdk. Zero being portable and a bit lighter.
> Avian -- lightweight, efficient, generates small code.
> Azul Zing -- designed for really heavyweight, memory-churning,
> latency-sensitive programs.
> JamVM -- Another small and lean JVM. I think OpenJDK's Zero backend ended
> up being a bit better, but before Avian and Zero came along, this was the
> "light" jvm of choice.
> You've heard of Dalvik, which is behind the Android OS, which is the JVM
> in everything but name. (I've written apps in Scala and then had them run
> on Android)
> I don't think anyone really uses it on its own though.
> 1: http://en.wikipedia.org/wiki/List_of_Java_virtual_machines
> ----- Original Message -----
> > From: "Kahlil Hodgson" <kahlil.hodgson at dealmax.com.au>
> > To: "melbourne-pm" <melbourne-pm at pm.org>
> > Sent: Thursday, 4 June, 2015 12:13:21 PM
> > Subject: Re: [Melbourne-pm] Dancing around the event horizon
> > On 4 June 2015 at 11:44, Toby Corkindale <
> > toby.corkindale at strategicdata.com.au > wrote:
> > I say "appropriate* JVM" because there are quite a few different jvm
> > around by now; some of them designed to be lightweight, fast-startup,
> > memory-efficient affairs, and some designed to be highly-tunable and as
> > as possible for longer-running processes. If you want to make the jvm
> > bad, it's easy to select an engine that's tuned against your benchmark
> > needs.
> > I last wrote Java code at 1.5 (before they dropped the '1.' prefix). At
> > time I was only aware of the JVM from Sun and the new Open Source one
> > was being developed. I really haven't followed Java that closely since.
> > These lightweight JVMs sound interesting. I gather that's why my Android
> > phone is usable. Any pointers to other JVMs?
> > K
> > _______________________________________________
> > Melbourne-pm mailing list
> > Melbourne-pm at pm.org
> > http://mail.pm.org/mailman/listinfo/melbourne-pm
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