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An Archived Managed World This blog has moved to Concurrency
Parallel Computing with Visual Studio 2010 Beta 1
One of the big areas of improvements coming to Visual Studio 2010 and .NET Framework 4 is in the area parallel computing. There are a LOT of new features and improvements to existing features here with this latest release of our developer tools. Many people smarter and more capable than I have already written about most of this stuff, so there’s not much for me to add. What I did want to do though is to let you know all the places where you can find this wealth of information (and there is a lot ......

Posted On Tuesday, June 9, 2009 6:44 PM

An Intro to Barrier
In this first stage of our Tour de BCL, we will be passing through the new Barrier class. So what is a Barrier? Let’s take a look at the boring technical description for a Barrier: A Barrier is a synchronization primitive that enforces the stopping of execution between a number of threads or processes at a given point and prevents further execution until all threads or processors have reached the given point. I don’t know about you, but sometimes technical descriptions like the above just sound like ......

Posted On Monday, February 9, 2009 11:17 PM

Threading Basics: Race Conditions, Part 1
I've talked in the past about the importance of parallel computing for all us developers. It's a trend in computer software and hardware architecture that is not a fad. Currently, in the US, it is nearly impossible to buy a new computer that has only a single core. We're even starting to see some of the first quad-core laptops hit the market. It's becoming very important for developers to start dealing with parallel code. There's one problem: multithreaded development is hard. And in the class of ......

Posted On Thursday, September 18, 2008 8:13 PM

True CCR Concurrency - Using CCR without Iterators
As developers get up to speed with the CCR, they quickly come across the (ab)use of iterators to achieve "concurrency." Okay, "(ab)use" may have been a bit of a low-blow. I call it an abuse as it is a totally unorthodox use of what iterators are usually used for, and I've came across my fair share of developers who find this unorthodox usage highly confusing. Not only is it confusing, but it's not what I would consider true concurrent code. In a concurrent environment, if I create twenty different ......

Posted On Saturday, June 21, 2008 7:22 AM

An Intro to Barrier, cont.d
Well, I said I was going to be moving on to CountdownEvent, but I was wrong. there is one more aspect of using Barrier that I just had to share (thanks go to Stephen Toub on the Parallel Computing Platform team for bringing this up). In my first Barrier post, I had mentioned: Barrier is a great new synchronization primitive to use when there is a known amount of work to do that is being done by different workers that all have common synchronization points. To make a long story short, this isn’t strictly ......

Posted On Tuesday, February 24, 2009 10:42 AM

Parallel Extensions to the .NET Framework, June 2008 CTP Released!
The latest CTP for Parallel Extensions to the .NET Framework was released out to the intarw3bs today (Go Digg It on Digg and Kick It on DotNetKicks). This is the second major CTP for the Parallel Extensions. If you're the kind of person who likes to just get the latest install and play around, you can find it here. If, however, you are a person who would like to read some resources about the new CTP first, there's a bunch of links for you as well: Ed Essey announces the release on the Parallel Extensions ......

Posted On Monday, June 2, 2008 8:01 PM

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