ILP - Taxiway Centerline , Halogen DFS - Rapid Exit Taxiway Centerline, Inset 8", LED LTO - Taxiway Edge ESTB - Stop Bar, Elevated VEE - Taxiway Edge, Elevated, Halogen SafeControl - Airfield Lighting Control System AGSF-F - Airfield Guidance Sign, Fluorescent, L-858 HBA -...
This is still only averaging just slightly better than 1 vaddpd per clock cycle (since there's ILP between repeat-loop iterations), but clang's 4 dep chains is only half of Skylake's 4 cycle latency x 2 insn/cycle throughput = 8 FP math instructions in flight. Unrolling by 4 leave...