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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…

    June 2008 - .NET Parallel Programming

    Fork/Join parallelism with .NET CountdownEvent
    Fork/Join parallelism with .NET CountdownEvent
    June 21, 2008 Jun 21, 2008 06/21/08
    A common asynchronous pattern in code today is the pattern known as fork/join parallelism. This typically manifests by starting n pieces of work and later joining with that work. The existing set of the .NET synchronization primitives does not offer a simple solution for handling this common scenario. It can be achieved, for example, by using...

    Comments are closed.0
    Coordination Data Structures Overview
    Coordination Data Structures Overview
    June 18, 2008 Jun 18, 2008 06/18/08
    The June 2008 CTP of Parallel Extensions provides the first look at its 3rd major piece, a set of coordination data structures we lovably refer to as CDS. It contains lightweight and scalable thread-safe data structures and synchronization primitives.  There are of course already many synchronization primitives present in the System....

    Comments are closed.0Coordination Data StructuresParallel Extensions
    Introducing ConcurrentStack
    Introducing ConcurrentStack
    June 18, 2008 Jun 18, 2008 06/18/08
    A common problem users run into when writing parallel applications is the lack of the thread-safety support in the .NET collection classes. Users typically need to implement their own synchronization mechanism for achieving the goal of safely reading/writing data to the same shared collection. A largely deprecated solution was to use the ...

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    PLINQ Ordering
    PLINQ Ordering
    June 11, 2008 Jun 11, 2008 06/11/08
    There is a natural tension between ordering and performance in a parallel partitioning system such as PLINQ, which we addressed as guidance in the Dec07 CTP documentation:  “Although you can opt into ordering, this does come at a cost to performance because it constrains the options which PLINQ can use for executing a query, so it ...

    Comments are closed.0Parallel ExtensionsParallelism BlockersPLINQ
    Parallel Extensions Demo Fun on Channel 9
    Parallel Extensions Demo Fun on Channel 9
    June 11, 2008 Jun 11, 2008 06/11/08
    Stephen T
    When I was at TechEd 2008 Developer last week, I met up with the great Dan Fernandez from Channel 9 to show off Parallel Extensions and to demonstrate some of the sample applications included with our June 2008 CTP.  The cameras were at the ready, so you can see the demonstrations, too: Thanks, Dan...

    Comments are closed.0Code SamplesMediaParallel Extensions
    Image Colorizer Sample in the June 2008 CTP
    Image Colorizer Sample in the June 2008 CTP
    June 9, 2008 Jun 9, 2008 06/9/08
    Continuing the tour of the samples included in the Parallel Extensions June 2008 CTP, we now turn our attention to the "Image Colorizer" application.   This sample uses the following constructs from Parallel Extensions: System.Threading.Parallel.For() and also the following from the standard .NET libraries: System.ComponentModel....

    Comments are closed.0Code SamplesParallel ExtensionsTask Parallel Library
    Announcing the “Parallel Programming in Native Code” Blog
    Announcing the “Parallel Programming in Native Code” Blog
    June 7, 2008 Jun 7, 2008 06/7/08
    Our colleagues working on native concurrency have just launched the Parallel Programming in Native Code blog.  We’re all on the same team and work really closely to ensure that the right programming models are exposed both for managed and native consumers, so you will be able to use your language of choice. Here’s a ...

    Comments are closed.0C++
    More Channel 9 Parallel Extensions Goodness
    More Channel 9 Parallel Extensions Goodness
    June 7, 2008 Jun 7, 2008 06/7/08
    Stephen T
    Charles from Channel 9 came over to building 112 last week for an in-depth look at what's new in the June 2008 CTP of Parallel Extensions.  We spoke on the subject for an hour and a half or so, which you can see in a two-part series that was posted to Channel 9 yesterday (by the way, Channel 9 team, the new site looks great!): What...

    Comments are closed.0Coordination Data StructuresMediaParallel Extensions
    Mandelbrot in Parallel with C++/CLI
    Mandelbrot in Parallel with C++/CLI
    June 6, 2008 Jun 6, 2008 06/6/08
    Stephen T
    Since the release of the December 2007 CTP of Parallel Extensions, we've received several questions about whether Parallel Extensions can be used from C++/CLI.  In short, yes, it can! (It can be used with any .NET language, one of the beauties of this functionality being provided through a library.)  To demonstrate, we included in ...

    Comments are closed.0C++Code SamplesParallel Extensions
    More Powerful Aggregations in PLINQ
    More Powerful Aggregations in PLINQ
    June 6, 2008 Jun 6, 2008 06/6/08
    In the June 2008 CTP, PLINQ aggregations are more powerful than they were in the December 2007 CTP. The reason why they are more powerful is a bit subtle, but this new power enables many useful scenarios, so it is worth it to follow along with the explanation.To understand where the difference is coming from, let’s quickly review how ...

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