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by cyberax 1065 days ago
Flash plugin was extremely well-optimized, it was one of the very few users of the original Pentium MMX extensions, and later SSE. That's also why they had such a difficult time porting it to 64 bits.

The Flash renderer was also state-of-the-art for the moment, with really awesome anti-aliasing and blending. All while using just fixed-point integer arithmetic.