.NET Parallel Programming

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

August 2009 - .NET Parallel Programming

The meaning of TaskStatus

August 30, 2009 Aug 30, 2009 08/30/09
Stephen Toub - MSFT
Every System.Threading.Tasks.Task instance goes through a lifecycle, and it only makes this journey once.  To provide insight into where in that lifecycle a given Task is, the Task class provides an instance Status property.  That property returns a value from the TaskStatus enumeration that reflects the current point in the ...

Implementing Parallel While with Parallel.ForEach

August 12, 2009 Aug 12, 2009 08/12/09
Stephen Toub - MSFT
The Parallel class in .NET 4 includes methods that implement three parallel constructs: parallelized for loops (Parallel.For), parallelized foreach loops (Parallel.ForEach), and parallelized statement regions (Parallel.Invoke).  One of the interesting things about Parallel.Invoke is that, in some cases and at least in the current ...

Parallel Extensions and I/O

August 4, 2009 Aug 4, 2009 08/4/09
Danny Shih
In this post, we’ll investigate some ways that Parallel Extensions can be used to introduce parallelism and asynchrony to I/O scenarios. Here’s a simple scenario.  I want to retrieve data from a number of web resources. static string[] Resources = new string[] {     "http://www.microsoft.com", "http://www.msdn.com", &...