Yeah, I agree with nkurz. Unrolling does better in micro benchmarks, but in a context of a larger program seems to rarely help nowadays. Maybe in some very tigh

Yeah, I agree with nkurz. Unrolling does better in micro benchmarks, but in a context of a larger program seems to rarely help nowadays. Maybe in some very tight loops, that don't do much. Aggressive unrolling consumes more instruction cache space and hurts performance elsewhere.