Agner says that AAA has latency 5 on Cannon Lake, so using that instruction is a...

pcwalton 8 months ago | parent | context | favorite | on: 1BRC merykitty's magic SWAR: 8 lines of code expla...

Agner says that AAA has latency 5 on Cannon Lake, so using that instruction is a bit faster than doing the operations manually. But if you vectorize (or use SWAR) I imagine you can start to beat the legacy instructions with larger numbers.