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• JIT ETW Inlining Event Fail Reasons

  This is a follow-up post for JIT ETW tracing in .NET Framework 4 . These are some of the possible strings that might show up in FailReason field of the MethodJitInliningFailed event. These are reasons that come from or are checked for by the VM (as compared Read More... Posted Wednesday, October 21, 2009 3:01 PM by grantri | 2 Comments Filed under: JIT, performance, .NET Framework 4

• JIT ETW tracing in .NET Framework 4

  If you care about performance at a very low level, at one point you’ve asked yourself why the compiler, JIT, or runtime did or did not inline a certain method. Unless you worked on the compiler, JIT, or runtime, you really had no way of telling, other Read More... Posted Monday, May 11, 2009 1:56 AM by CLR Codegen Blogger | 1 Comments Filed under: JIT, performance, .NET Framework 4, Visual Studio 2010

• Tail Call Improvements in .NET Framework 4

  First a little background reading before going into tail call improvements in CLR 4 - David Broman did an excellent job at covering the basics in his post here: http://blogs.msdn.com/davbr/archive/2007/06/20/enter-leave-tailcall-hooks-part-2-tall-tales-of-tail-calls.aspx Read More... Posted Monday, May 11, 2009 1:50 AM by CLR Codegen Blogger | 0 Comments Filed under: x64, .NET Framework 4, Visual Studio 2010

• Improvements to NGen in .NET Framework 4

  .NET Framework 4 is our first release since we shipped FX 3.5 SP1 (FX 4 beta 1 is now available here: http://msdn.microsoft.com/en-us/vstudio/dd582936.aspx ). FX 3.5 SP1 contained major changes to NGen – features that improved startup performance, security, Read More... Posted Sunday, May 03, 2009 8:41 PM by Surupa Biswas | 1 Comments Filed under: NGen, .NET Framework 4, Visual Studio 2010