}
		}
	})

	sizes := []int{1, 6, 9, 15, 16, 20, 32, 4 << 10, 4 << 20, 64 << 20}

	b.Run("same", func(b *testing.B) {
		benchBytes(b, sizes, bmEqual(func(a, b []byte) bool { return Equal(a, a) }))
	})

	benchBytes(b, sizes, bmEqual(Equal))
}

func bmEqual(equal func([]byte, []byte) bool) func(b *testing.B, n int) {
	return func(b *testing.B, n int) {
		if len(bmbuf) < 2*n {
			bmbuf = make([]byte, 2*n)
		}

	}

	etyp := typ
	esize := etyp.Size()

	array.Equal = nil
	if eequal := etyp.Equal; eequal != nil {
		array.Equal = func(p, q unsafe.Pointer) bool {
			for i := 0; i < length; i++ {
				pi := arrayAt(p, i, esize, "i < length")
				qi := arrayAt(q, i, esize, "i < length")
				if !eequal(pi, qi) {
					return false
				}

			}
			return true
		}
	}

			ok = order.SetOrder(v, w)
		case gt:
			ok = order.SetOrder(w, v)
		case lt | eq:
			ok = order.SetOrderOrEqual(v, w)
		case gt | eq:
			ok = order.SetOrderOrEqual(w, v)
		case eq:
			ok = order.SetEqual(v, w)
		case lt | gt:
			ok = order.SetNonEqual(v, w)
		default:
			panic("unknown relation")
		}
		if !ok {
			if parent.Func.pass.debug > 2 {
				parent.Func.Warnl(parent.Pos, "unsat %s %s %s", v, w, r)