[core] update rewrite-v3-nv macro (currently unused), adjust benchmarks to support existing Vec3 (new one between 1.25 - 10x faster!!!)
[core] update rewrite-v3-nv macro (currently unused), adjust benchmarks
to support existing Vec3 (new one between 1.25 - 10x faster!!!)

JDReutt/geom,thi-ng/geom,thi-ng/geom