JIT, NGen, and other Managed Code Generation Stuff

Details about RyuJIT stuff of all sort...

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  • Blog Post: Quick info about a great SIMD writeup

    Hi, folks. I wanted to put together a more coherent version of a random Twitter conversation I had with Sasha Goldshtein. First, you should go read Sasha's excellent write-up on SIMD: http://blogs.microsoft.co.il/sasha/2014/04/22/c-vectorization-microsoft-bcl-simd/ . He's done an excellent job of...
  • Blog Post: Lies, damn lies, and benchmarks...

    Hi, Folks! We just released RyuJIT CTP2, complete with a magical graph indicating the performance of the new 64 bit JIT compiler as compared to JIT64. I figured I'd describe the benchmarks we're currently tracking in a little more detail, and maybe include some source code where it's code that it's okay...
  • 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: Performance implications of unmanaged array accesses

    I was recently shown the following code and asked why the loop calling SafeAccess executed significantly faster than the second loop calling UnsafeAccess : static int [] intarray = new int [ 5000 ]; static void SafeAccess(int a, int b) { int temp = intarray[a]; intarray[a] = intarray...
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