ParallelStream Vs Stream Digest, Vol 113, Issue 94

[Stuart Marks]

On 9/30/16 12:41 PM, John Rose wrote:
> On Sep 29, 2016, at 11:39 PM, Louis Wasserman <wasserman.louis at gmail.com> wrote:
>>
>> You should absolutely not assume parallel streams are faster than
>> sequential streams.
>> http://gee.cs.oswego.edu/dl/html/StreamParallelGuidance.html <http://gee.cs.oswego.edu/dl/html/StreamParallelGuidance.html> is pretty much
>> the iconic document on that subject, and explains circumstances under which
>> parallelism is good, and when it is likely to be harmful.
>
> Stuart Marks and Brian Goetz gave an excellent talk on this at JavaOne last week.
>
> You can view it here.  The talk is called "Thinking in Parallel".
> https://youtu.be/WSxKI5S8j90?t=8h51m34s <https://youtu.be/WSxKI5S8j90?t=8h51m34s>
>
> InfoQ wrote a useful summary of the talk, for those with no time for video:
> https://www.infoq.com/news/2016/09/JavaOne-2016-parallel-streams <https://www.infoq.com/news/2016/09/JavaOne-2016-parallel-streams>
>
> But the video is very enjoyable, even if you think you know what they are going to say.
>
> — John
>
> P.S.  One influence of this year's presentation is an epic manifesto by Guy Steele in 2010.
> https://www.infoq.com/presentations/Thinking-Parallel-Programming <https://www.infoq.com/presentations/Thinking-Parallel-Programming>


John, thanks for the plug!

If you just want to look at the slides, they're linked from this post on my blog:

https://stuartmarks.wordpress.com/2016/09/23/javaone-2016-sessions/

s'marks