Some game developers that had optimized with AVX were asked to take it out since it would crash overclocked CPUs that were riding the limits. Hit a patch of AVX

Some game developers that had optimized with AVX were asked to take it out since it would crash overclocked CPUs that were riding the limits. Hit a patch of AVX and bam, they'd fall over. Intel has mostly fixed this in more recent chips so that now they look ahead for upcoming AVX instructions and just slow down.