Stephen Toub - MSFT

Partner Software Engineer, .NET

Stephen Toub is a developer on the .NET team at Microsoft.

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ParallelExtensionsExtras Tour – #1 – LINQ to Tasks

April 4th, 2010
(The full set of ParallelExtensionsExtras Tour posts is available here.) The .NET Framework developer center provides a concise description of Language Integrated Query (LINQ):LINQ is a set of extensions to the .NET Framework that encompass language-integrated query, set, and transform operations. It extends C# and Visual Basic with ...

A Tour of ParallelExtensionsExtras

April 4th, 2010
Throughout the development of Parallel Extensions for the .NET Framework 4, we’ve come across a myriad of situations where certain functionality would be useful in developing a particular application or library, but where that functionality isn’t quite encapsulated in the bits we’re shipping.  Sometimes this ...

Parallel Computing Platform Developer Lab

March 4th, 2010
Microsoft Developer & Platform Evangelism, in collaboration with the Microsoft Parallel Computing Platform product team, is hosting a developer lab at the Platform Adoption Center on April 12-15, 2010.  This event is for Microsoft Partners and Customers seeking to incorporate either .NET Framework 4 or Visual C++ 2010 parallelism...

Parallel patterns in Visual Basic

February 15th, 2010
I previously posted in November about a paper I'd written on patterns for parallel programming.  The original paper had over 200 snippets of C# code to demonstrate and exemplify the ideas being discussed.  Due to popular demand (and in honor of the many Visual Basic MVPs on campus this week for the MVP Summit), we've now posted ...

Want to work on Parallel Computing?

February 13th, 2010
We’re hiring! If you're reading this post, you most likely have an interest in parallel or distributed computing, writing concurrent software, and the like.  Take that interest a step further, and help us make the manycore era a successful reality by coming to work on the Parallel Computing Platform team at Microsoft.We currently ...

F# PowerPack supports PLINQ

February 10th, 2010
The F# team has released the F# PowerPack for download on CodePlex, and we're very excited that the PowerPack now has direct support for PLINQ.  From the CodePlex site: F# Parallel LINQ IntegrationFSharp.PowerPack.Parallel.dll provides an F#-style API for parallel operations on sequences that are part of .NET 4.0 as System.Linq....

Gallery of Processor Cache Effects

February 8th, 2010
Igor Ostrovsky is a developer on the Parallel Extensions team.  On his blog, he's documented a great set of examples for how caches can affect application performance; this is important to think through when writing parallel applications, but as Igor demonstrates, it applies equally to serial applications.  Check out his post...

Are you using Parallel Extensions? We’d love to know.

February 7th, 2010
Are you using Parallel LINQ (PLINQ), the Task Parallel Library (TPL), or any of the new coordination and synchronization primitives in .NET 4 (or in the Parallel Extensions June 2008 CTP or with the recent Reactive Extensions release)?  Are you planning to use or are you already using this support in a production application or ...

Are you using the CCR? We’d love to hear about it.

January 29th, 2010
Are you using the CCR (Microsoft Robotics' "Concurrency & Coordination Runtime") today in production applications or libraries, and in particular for non-robotics purposes?  If so, we’d love to hear about your experiences, and any and all information you’re willing to share would be very welcome.  What do you like ...

ConcurrentDictionary’s support for adding and updating

January 8th, 2010
ConcurrentDictionary<TKey,TValue> is a new type in the .NET Framework 4, living in the System.Collections.Concurrent namespace.  As noted in the MSDN documentation, ConcurrentDictionary “represents a thread-safe collection of key-value pairs that can be accessed by multiple threads concurrently.”  While ...