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|---|---|
| From | Eric Sosman <esosman@comcast-dot-net.invalid> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Lambda reference? |
| Date | Wed, 16 Mar 2016 08:45:58 -0400 |
| Organization | A noiseless patient Spider |
| Lines | 33 |
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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
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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
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