WinDbg+SOS has been used by .NET developers for years. It is a very powerful profiling/analysis tool that unfortunately is quite hard to use and exposes native-only API. By releasing ClrMD library Microsoft makes CLR heap memory inspection accessible to regular C# developers and enables them to wr...

An extensive article to understand how dynamic keyword works, limitations and best places to use it

Multicore JIT is a great new feature in .NET Framework 4.5. Multicore JIT parallelizes the some of the JIT compilations that happens on the start of the application, Historically .NET FW has used the Ngen Native Image Generator for parallelization. It works particularly well where this Ngen is inst...

When you include .Net 2.0 mixed mode assemblies in .Net 4.0 or .Net 4.5 projects you often have to add some start up options to your project’s config file to get it all to play nice when your app starts up. This backwards compatibility feature is great as it allow you to use older/non supported proj...

Software Trails is a lightweight profiling tool from a software architect at Microsoft, aimed at showing activity through the namespaces, classes and methods of your live, running app.

In my previous artlcle, I discussed 4 ways to optimize your server application for good garbage collection performance. An essential part of that process is being able to analyze your GC performance to know where to focus your efforts. One of the first tools I always turn to is a little utility that...

What advantages are there to implementing a dynamic language for the .NET platform and the DLR? How does it work? What better way than to ask someone that has already done it.

In this post I’ll go through some of the enhancements and improvements done by the CLR team as part of the performance improvements in .Net 4.5. In most cases developers will not have to do anything different to take advantage of the new stuff, it will just works whenever the new framework libraries...

Developers usually thinks that Windows has a default value for the max number of threads a process can hold. while in fact the limitation is due to the amount of address space each thread can have. When you create new thread, it has some memory in the kernel mode, some memory in the user mode, plus...

The Managed Profile Guided Optimization (MPGO) technology can improve the startup and working set (memory usage) of managed applications by optimizing the layout of precompiled native images.By organize the layout of your native image so most frequently called data are located together in a minimal ...

.Net 4.5 introduce the concept of Parallel JIT Compilation, where a background thread runs on a separate processor core taking care of the JIT Compilation while the main execution thread running on a different core. In ideal scenario the JIT Compilation thread gets ahead of the main thread execution...

As the introductory article in a series on Task Parallel Library Dataflow [TPL Dataflow or TDF], a new feature introduced in .NET 4.5. This article provides a quick introduction to the intent of the series and provides a brief overview of TDF.

10 questions and answers to help understand the Roslyn complier-as-a-service project for Visual Basic and C# developers.

...Much to my surprise, there was not a .NET 4.5 Framework Directory! After some digging, I discovered that ".NET 4.5 Supercedes .NET 4.0"! This means that the new Runtime replaces the 4.0 runtime.