3-4x game perf differences from CPU code autovectorization sounds way high? From what I've seen you'd be pretty lucky to average 3x speedups on isolated vector-

3-4x game perf differences from CPU code autovectorization sounds way high? From what I've seen you'd be pretty lucky to average 3x speedups on isolated vector-friendly loops with hand rolled ASM, translating to much smaller whole app speedups.