.NET Parallel Programming

All about Async/Await, System.Threading.Tasks, System.Collections.Concurrent, System.Linq, and more…

October 2009 - .NET Parallel Programming

PLINQ Queries That Run Sequentially

October 30, 2009 Oct 30, 2009 10/30/09
Igor Ostrovsky - MSFT
The goal of PLINQ is to execute computationally intensive LINQ to Objects queries efficiently by splitting up the work across multiple cores on multi-core machines. However, not all queries are equally appropriate for parallelism.Usually, the best way to use PLINQ is to write short, simple queries with an expensive delegate. This is one ...
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What’s new in Beta 2 for the Task Parallel Library? (Part 2/3)

October 27, 2009 Oct 27, 2009 10/27/09
Danny Shih
Related posts: Last week, we talked about how TPL adopted a new, better cancellation model.  Today, we’ll cover a change that makes Tasks Detached by Default, some ContinueWhenAll/Any Refactoring, and the handy UnobservedTaskException event.Tasks are Detached by DefaultIn Beta 2, we have changed an important default.  Tasks ...

Parallelism Talks at PDC09

October 23, 2009 Oct 23, 2009 10/23/09
phillips.joshua
If you’re going to PDC this year, we have four great talks on parallelism coming you’re way and, if you’re not, may we suggest you sign up?We don’t have the exact dates of the talks yet (we’ll let you know when we do) but here are the talks you won’t want to miss!Patterns of Parallel Programming: A Tutorial ...
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What’s new in Beta 2 for the Task Parallel Library? (Part 1/3)

October 19, 2009 Oct 19, 2009 10/19/09
Danny Shih
Related posts: Visual Studio 2010 and .NET 4 Beta 2 is here!  In terms of completeness and readiness for production coding, Beta 2 promises to be much better than Beta 1, and TPL is one component that delivers significant improvements over what was previously available.  To get you excited about it, this series of posts ...

.NET 4 Beta 2 is here!

October 19, 2009 Oct 19, 2009 10/19/09
Stephen Toub - MSFT
The .NET Framework 4 Beta 2 is now available! MSDN Subscribers can download it today, and it will be generally available for download on Wednesday.  More information is available at https://msdn.microsoft.com/en-us/vstudio/dd582936.aspx.  Additionally, one of the really exciting things about this Beta release is that it’s &...

Parallel Computing at PDC09 and TechEd Europe 2009

October 16, 2009 Oct 16, 2009 10/16/09
Stephen Toub - MSFT
It’s fall, and that means conference season!  In November, members of the Parallel Computing Platform team will be descending upon both PDC09 in Los Angeles and TechEd Europe 2009 in Berlin.  We’re extremely excited to see all of you there and to discuss the new support for parallel computing that’s coming in Visual...

Parallel Computing Presentations in Michigan, Ohio, Kentucky, and Tennessee

October 16, 2009 Oct 16, 2009 10/16/09
Stephen Toub - MSFT
In a week, I’m going to be traveling through Michigan, Ohio, Kentucky, and Tennessee, speaking about parallel computing, Visual Studio 2010, and .NET 4, primarily at corporations during the day and at user groups in the evenings.If you’re in the area and interested, please do attend, and I look forward to meeting you!  A list ...

Parallelized Map and Filter Operations

October 12, 2009 Oct 12, 2009 10/12/09
Stephen Toub - MSFT
Common operations like map and filter are available in parallelized form through PLINQ, though the names differ.  A map can be achieved with PLINQ’s Select operator, and a filter with PLINQ’s Where operator.For example, I could implement a ParallelMap operation that takes in one array and returns another as follows: public ...

Choosing Between the Task Parallel Library and the ThreadPool

October 5, 2009 Oct 5, 2009 10/5/09
Danny Shih
If you’ve been following the development of the Task Parallel Library (TPL), or if you’re an avid reader of this blog, you’re likely aware that the default scheduler in TPL is based on the new and improved ThreadPool in .NET 4.  In light of this, though, quite a few folks have asked whether there are any advantages (...
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