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ASP.NET Performance: Performance Counters on Windows Client + IIS Express

Editor note: This blog is originally published by Christy Henriksson on 09-12-2012 in Web Performance Blog, which will be obsolete soon.  Future ASP.NET related performance blogs will be posted here.I learned recently that ASP.NET performance counters are not available on Windows 7 or 8 (client) when running with IIS Express (or the Dev10...

ASP.NET Performance: Debugging W3WP Startup

Editor note: This blog is originally published by Christy Henriksson on 03-19-2012 in Web Performance Blog, which will be obsolete soon.  Future ASP.NET related performance blogs will be posted here.On a few occasions, I have needed to debug the startup of the IIS worker process (w3wp).  I finally decided to create a script so that I...

ASP.NET Performance: Managed runtime loader

Editor note: This blog is originally published by Jose Reyes - ASP.NET on 02-29-2012 in Web Performance Blog, which will be obsolete soon.  Future ASP.NET related performance blogs will be posted here. Introduction There is a file called aspnet.config in the .Net framework installation. This file is used to specify startup flags for both...

ASP.NET Performance: Prefetch and Multi-Core Jitting

Editor note: This blog is originally published by Jose Reyes - ASP.NET on 02-29-2012 in Web Performance Blog, which will be obsolete soon.  Future ASP.NET related performance blogs will be posted here. Introduction. A couple of new features are introduced in ASP.NET 4.5 to improve startup time of web apps. Both features use a flag on the ...

.NET Framework 4.5.1 RTM => start coding

Updated (2017): See .NET Framework Releases to learn about newer releases. This release is unsupported. Updated (July 2015): See Announcing .NET Framework 4.6 to read about the latest version of the NET Framework. Today, we’re announcing the availability of the .NET Framework 4.5.1 and Visual Studio 2013 (Soma’s blog). You can ...
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ASP.NET App Suspend – responsive shared .NET web hosting

This post introduces ASP.NET App Suspend, which is a game-changing feature in the .NET Framework 4.5.1. It radically changes the user experience and economic model for hosting large numbers of ASP.NET sites on a single machine. This post was written by Rich Lander, a Program Manager on the .NET team. Sharing can be hard. In my early days, I ...
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RyuJIT: The next-generation JIT compiler for .NET

This post introduces the .NET team’s new 64-bit Just-In-Time (JIT) compiler. It was written by Andrew Pardoe, PM Manager for the CLR Runtime PM team. The world is moving to 64-bit computing even though it isn’t always faster or more efficient than 32-bit. A lot of programs run faster on 32-bit than on 64-bit, for a variety of reasons...
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Announcing the .NET Framework 4.5.1 RC

Update (2017): See .NET Framework Releases to learn about newer releases. This release is unsupported. Update: The .NET Framework 4.5.1 RTM has been released and is available for download. The .NET Framework 4.5.1 RC is now available. It comes with a go-live license, enabling you to deploy 4.5.1 apps in production. Here are the RC bits. ...
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Got a need for speed? .NET apps start faster.

This post was written by Rich Lander, who works as a Program Manager on the .NET Framework. He worked on AutoNGEN for Windows 8. This post focuses on how technologies such as Native Image Generator (NGEN), the .NET Framework Optimization Service (mscorsvw), AutoNGEN, and compilation in the cloud have improved the startup performance of .NET ...
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Got a need for speed? .NET apps start faster.

This post was written by Rich Lander, who works as a Program Manager on the .NET Framework. He worked on AutoNGEN for Windows 8. This post focuses on how technologies such as Native Image Generator (NGEN), the .NET Framework Optimization Service (mscorsvw), AutoNGEN, and compilation in the cloud have improved the startup performance of .NET ...
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