b.SetBytes(int64(n * _S))
			for i := 0; i < b.N; i++ {
				addVW(z, x, y)
			}
		})
	}
}

// Benchmarking addVW using vector of maximum uint to force carry flag set
func BenchmarkAddVWext(b *testing.B) {
	for _, n := range benchSizes {
		if isRaceBuilder && n > 1e3 {
			continue
		}
		y := ^Word(0)
		x := makeWordVec(y, n)
		z := make([]Word, n)