JIT, NGen, and other Managed Code Generation Stuff

Details about RyuJIT stuff of all sort...

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  • Blog Post: JIT ETW Tail Call 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 the FailReason field of the MethodJitTailCallFailed event. These are reasons that come from or are checked for by the VM (as compared to the JIT) and are listed in no particular...
  • Blog Post: 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 to the JIT) and are listed in no particular...
  • Blog Post: 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 . He also captured a mostly complete...
  • Blog Post: 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 than trial and error (sort of like asking how a magic...
  • Blog Post: 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, NGen time and compilation working set – described...
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