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.NET Parallel Programming
.NET Parallel Programming
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    .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
    PLINQ Queries That Run Sequentially
    AvatarIgor Ostrovsky - MSFTOctober 30, 2009Oct 30, 200910/30/09
    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)
    What’s new in Beta 2 for the Task Parallel Library? (Part 2/3)
    AvatarDanny ShihOctober 27, 2009Oct 27, 200910/27/09
    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 ...

    0.NET 4Parallel Extensions
    Parallelism Talks at PDC09
    Parallelism Talks at PDC09
    Avatarphillips.joshuaOctober 23, 2009Oct 23, 200910/23/09
    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)
    What’s new in Beta 2 for the Task Parallel Library? (Part 1/3)
    AvatarDanny ShihOctober 19, 2009Oct 19, 200910/19/09
    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 ...

    0.NET 4Cancellation
    .NET 4 Beta 2 is here!
    .NET 4 Beta 2 is here!
    AvatarStephen Toub - MSFTOctober 19, 2009Oct 19, 200910/19/09
    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 &...

    0.NET 4Parallel Extensions
    Parallel Computing at PDC09 and TechEd Europe 2009
    Parallel Computing at PDC09 and TechEd Europe 2009
    AvatarStephen Toub - MSFTOctober 16, 2009Oct 16, 200910/16/09
    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...

    0TalksVisual Studio 2010
    Parallel Computing Presentations in Michigan, Ohio, Kentucky, and Tennessee
    Parallel Computing Presentations in Michigan, Ohio, Kentucky, and Tennessee
    AvatarStephen Toub - MSFTOctober 16, 2009Oct 16, 200910/16/09
    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 ...

    0.NET 4Parallel Extensions
    Task.Wait and “Inlining”
    Task.Wait and “Inlining”
    AvatarStephen Toub - MSFTOctober 15, 2009Oct 15, 200910/15/09
    “What does Task.Wait do?” Simple question, right?  At a high-level, yes, the method achieves what its name implies, preventing the current thread from making forward progress past the call to Wait until the target Task has completed, one way or another.  If the Task ran to completion, Wait will return successfully.  ...

    0Parallel ExtensionsTask Parallel Library
    Parallelized Map and Filter Operations
    Parallelized Map and Filter Operations
    AvatarStephen Toub - MSFTOctober 12, 2009Oct 12, 200910/12/09
    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 ...

    0.NET 4Code Samples
    Choosing Between the Task Parallel Library and the ThreadPool
    Choosing Between the Task Parallel Library and the ThreadPool
    AvatarDanny ShihOctober 5, 2009Oct 5, 200910/5/09
    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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