Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.java.programmer > #33985
| From | Eric Sosman <esosman@comcast-dot-net.invalid> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Lambda reference? |
| Date | 2016-03-16 08:45 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <ncbkcc$iec$1@dont-email.me> (permalink) |
| References | <nc770d$u97$1@dont-email.me> <nc79gr$9e6$1@dont-email.me> <8bd6f2b0-75b2-43fe-93ba-650ebffc940e@googlegroups.com> <ncbjv3$h6s$1@dont-email.me> |
On 3/16/2016 8:38 AM, Eric Sosman wrote:
> On 3/16/2016 7:53 AM, Eric Douglas wrote:
>> On Monday, March 14, 2016 at 5:16:17 PM UTC-4, Eric Sosman wrote:
>> ...
>>
>> Do lambdas make code execute faster or just do the same thing with
>> fewer characters?
>
> "Yes." :)
>
> Sorry I can't offer details, but quite some time ago I saw a
> video of an Oracle guy explaining how lambdas were implemented
> under the hood. In some cases the compiler simply generates an
> anonymous inner class and the lambda just turns out to be shorthand.
> But if the lambda expression is entirely self-contained -- refers
> only to its own arguments and not to variables belonging to the
> caller -- some kind of JVM trickery can be employed that eliminates
> a good deal of the ordinary overhead.
>
> Sorry for the sketchy response; wish I could still find the
> video.
Hah! "This just in:"
http://medianetwork.oracle.com/video/player/1785479333001
... and this one, more specifically about peformance:
http://medianetwork.oracle.com/video/player/2623576348001
--
esosman@comcast-dot-net.invalid
"Don't be afraid of work. Make work afraid of you." -- TLM
Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Lambda reference? Rhino <no_offline_contact@example.com> - 2016-03-14 16:32 -0400
Re: Lambda reference? Sebastian <news@seyweiler.dyndns.org> - 2016-03-14 21:50 +0100
Re: Lambda reference? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-14 17:16 -0400
Re: Lambda reference? Rhino <no_offline_contact@example.com> - 2016-03-14 18:29 -0400
Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-16 04:53 -0700
Re: Lambda reference? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-16 08:38 -0400
Re: Lambda reference? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-03-16 08:45 -0400
Re: Lambda reference? Sebastian <news@seyweiler.dyndns.org> - 2016-03-16 21:33 +0100
Re: Lambda reference? Robert Klemme <shortcutter@googlemail.com> - 2016-03-25 18:35 +0100
Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-28 07:06 -0700
Re: Lambda reference? Robert Klemme <shortcutter@googlemail.com> - 2016-03-31 00:09 +0200
Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-31 04:42 -0700
Re: Lambda reference? Robert Klemme <shortcutter@googlemail.com> - 2016-03-31 18:35 +0200
Re: Lambda reference? Eric Douglas <e.d.programmer@gmail.com> - 2016-03-31 11:21 -0700
Re: Lambda reference? Rhino <no_offline_contact@example.com> - 2016-03-14 21:55 -0400
csiph-web