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• ThreadPool on Channel 9

  Charles from Channel 9 stopped by my office a couple of weeks ago to chat with Erika Parsons and I about the ThreadPool work we're doing for .NET 4 . I learned something from this: understanding something, and explaining it in person, for the first time, Read More... Posted Monday, June 01, 2009 10:52 AM by ericeil | 3 Comments Filed under: ThreadPool

• CLR 4.0 ThreadPool Improvements: Part 1

  This is the first in a series of posts about the improvements we are making to the CLR thread pool for CLR 4.0 (which will ship with Visual Studio 2010). This post will cover changes to the queuing infrastructure in the thread pool, which aim to enable Read More... Posted Thursday, April 23, 2009 10:40 AM by ericeil | 27 Comments Filed under: Concurrency, Managed, ThreadPool

• CLR 4.0: Parallel Extensions and the CLR ThreadPool

  It's been a while since I've posted; for the past several months I've been working on deep changes in the CLR ThreadPool to support the Parallel Extensions to the .NET Framework. I hope to say a few things about the changes we're making in the CLR to Read More... Posted Friday, November 07, 2008 12:03 PM by ericeil | 0 Comments Filed under: Concurrency, Managed, ThreadPool

• Windows I/O threads vs. managed I/O threads

  A question recently came up on an internal discussion forum, which I'll paraphrase: The Windows QueueUserWorkItem API has an option to queue to an I/O thread. Why doesn't the managed ThreadPool.QueueUserWorkItem support this option? First, some background: Read More... Posted Friday, June 20, 2008 9:41 AM by ericeil | 2 Comments Filed under: Managed, Unmanaged, ThreadPool

• ThreadPool changes in .NET 3.5 SP1 Beta

  .NET 3.5 SP1 (A.K.A. CLR 2.0 SP2) is now available as a Beta release. This beta release has the fix for the ThreadPool ramp-up issue discussed here and here . It also has some other improvements to the ThreadPool's thread creation algorithm that can dramatically Read More... Posted Monday, May 12, 2008 12:22 PM by ericeil | 1 Comments Filed under: Managed, ThreadPool

• ThreadPool bug in CLR 2.0 SP1

  Shortly after the release of CLR 2.0 SP1 (a.k.a. Orcas or .NET 3.5), several customers noticed some very odd behavior in the ThreadPool. The ThreadPool is supposed to create threads as fast as possible, up to the current setting for MinThreads - but it Read More... Posted Friday, March 14, 2008 8:13 AM by ericeil | 3 Comments Filed under: Managed, ThreadPool

• When should you call RegisteredWaitHandle.Unregister?

  The managed ThreadPool provides a way to asynchronously wait for WaitHandles, via ThreadPool.RegisterWaitForSingleObject. This method returns a new instance of RegisteredWaitHandle, which has a single method: Unregister. It's obvious from the name that Read More... Posted Thursday, March 13, 2008 5:05 PM by ericeil | 0 Comments Filed under: Managed, ThreadPool