Wondered the same. I'm also curious if Apple's Accelerate framework uses AVX underneath when available. Sounds like an OK compromise if it's the case: maybe the

Wondered the same. I'm also curious if Apple's Accelerate framework uses AVX underneath when available. Sounds like an OK compromise if it's the case: maybe the compiler will miss a few opportunities to optimize some of your loops, but if you are aware of Accelerate you will use it in your audio/video processing anyway, which should be a win.