Java 8 "automatically-parallelizable bulk-data operations"

[Brian Goetz]

Also, note that there will be no "automatic" parallelism in the sense that you get parallelism without the word "parallel" appearing in the source code.  All parallelism will be explicit.  

On Aug 7, 2012, at 2:25 AM, Piotr Bzdyl wrote:

> This is my first post to this list so "Hello" to everyone!
> 
> 
> As you can see below, I was trying to find out what bulk operations would
> be automatically parallelizable in Java 8 (as stated by JSR-337 in the
> Performance section). I was forwarded to lambda mailing list as the
> development is being done by lambda project group.
> 
> Could anybody shed some light on this topic? I checked the lambda/lambda
> source code but couldn't find any parallel implementation of those bulk
> operations.
> 
> Best regards,
> Piotr
> 
> On Tue, Aug 7, 2012 at 11:20 AM, Piotr Bzdyl <piotr at bzdyl.net> wrote:
> 
>> Thanks Aleksey for the response. I checked the source code from
>> lambda/lambda forest and binary builds and I could indeed find bulk
>> operations for collections but I was unable to find any parallel one. I
>> will try to ask on the lambda or jdk8 mailing lists.
>> 
>> Piotr
>> 
>> 
>> On Tue, Jul 31, 2012 at 2:13 PM, Aleksey Shipilev <
>> aleksey.shipilev at gmail.com> wrote:
>> 
>>> Hi Piotr,
>>> 
>>> That means operations on standard collections as well [1]. This
>>> piggybacks on lambda-fication of collections [2]. The development is
>>> done under lambda project umbrella [3], the prototype for bulk
>>> operations is available in lambda/lambda forest in OpenJDK, or binary
>>> builds at [3] as well.
>>> 
>>> Please join the fun at lambda-dev@ if you are interested.
>>> 
>>> -Aleksey.
>>> 
>>> [1] http://openjdk.java.net/jeps/107
>>> [2] http://openjdk.java.net/jeps/109
>>> [3] http://openjdk.java.net/projects/lambda/
>>> [4] http://mail.openjdk.java.net/mailman/listinfo/lambda-dev
>>> 
>>> On Tue, Jul 31, 2012 at 1:54 PM, Piotr Bzdyl <piotr at bzdyl.net> wrote:
>>>> Hello,
>>>> 
>>>> I tried to google it but could not find anything specific.
>>>> 
>>>> Java 8 release contents JSR-337 mentiones in the Performance section:
>>>> 
>>>> "In this release we will take another big step by enhancing the
>>> Collections
>>>> Framework and related APIs to support automatically-parallelizable
>>> bulk-data
>>>> operations such as filter, map, and reduce".
>>>> 
>>>> Does it mean just ParallelArray or also implementations of other
>>> collections
>>>> such as lists, sets and maps?
>>>> 
>>>> Best regards,
>>>> Piotr
>>>> 
>>>> _______________________________________________
>>>> Concurrency-interest mailing list
>>>> Concurrency-interest at cs.oswego.edu
>>>> http://cs.oswego.edu/mailman/listinfo/concurrency-interest
>>>> 
>>> 
>> 
>> 
>