SSE2 preview

The forthcoming Intel Pentium 4 processor (code-named Willamette)  will feature a new set of SIMD instructions that improve the capabilities of both the MMX and SSE instruction sets. The key benefits of SSE2 are that MMX instructions can work on 128-bit data blocks, and that SSE instructions now support 64-bit floating-point values. 
Extending the width of MMX parallel computations puts Intel

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