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Performance Optimization of 64-bit Windows Applications for AMD Athlon™ 64 and AMD Opteron™ Processors using Microsoft Visual Studio 2005 
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Part I: 64-bit optimization, dual-core, threading, vectorization, and assembly code
Michael Wall, Senior Member of Technical Staff, Advanced Micro Devices Inc.  10/11/2005 

See the revised version of this paper (updated 09-Jun-08): Performance Optimization of Windows Applications on AMD Processors

The Mandel project is a Visual Studio C/C++ per formance demo that illustrates several key concepts in Windows programming, and moves progressively through different performance optimizations. At the most basic level, it shows how to create and compile a simple Windows application using Visual Studio 2005. This floating-point intensive project can easily be compiled using the 32-bit compiler, or built for higher performance using the new 64-bit compiler included in Visual Studio 2005.

Dramatic performance gains are attained by using certain C++ source-level optimization tricks, then by using a series of further optimizations including compiler SSE vector intrinsic functions. True native 64-bit assembly code is optionally integrated into the project, and assembled using 64-bit MASM. Finally, the newly supported OpenMP multi-threading API is used to easily multi-thread the application and double the performance on dual-core desktop PCs or two-processor workstation machines.
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