Auto-Vectorization on Channel9

Visual CPP Team

Jim Radigan and I recorded a session for Channel9 last week, as part of the “Going Native” series.  We describe the “auto-vectorizer” – a neat feature in the VS11 compiler backend that analyses loops, in regular, unmodified C++ code, and generates corresponding vector (SIMD) instructions: tight loops using float or int can run up to 4x faster.  The video has just “gone live” at:

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