def parallel_ns
import stelliferous@0.0.2.0/kernel_band_planning.bend as KernelBandPlanningimport Base
import stelliferous@0.0.2.0/kernel_cost.bend as Cost
71def parallel_ns(+workers: U32,+span: F32,+open: U32,+settled: F32) -> F32:
72 (settled + Cost.region_ns(workers,open,span) : F32)