Understanding the IE9 Software Rendering Mode

I recently heard from some users who are seeing lower-than-expected scores on the Speed Reading and FishIE Tank benchmarks. I went to check these tests myself and found that my laptop’s score was low. In fact, it was much lower than I’d seen last year. What happened? First, a bit of background: These graphically rich demos are designed to use your PC’s Graphics Processing Unit (GPU) instead of