julia> @finch_code begin
        z .= 0
        for i = _, j = _
            z[j, i] += x[j, i] * y[j, i]
        end
    end
quote
    z_lvl = (ex.bodies[1]).tns.bind.lvl
    z_lvl_ptr = z_lvl.ptr
    z_lvl_left = z_lvl.left
    z_lvl_right = z_lvl.right
    z_lvl_2 = z_lvl.lvl
    z_lvl_ptr_2 = z_lvl_2.ptr
    z_lvl_left_2 = z_lvl_2.left
    z_lvl_right_2 = z_lvl_2.right
    z_lvl_3 = z_lvl_2.lvl
    z_lvl_2_val = z_lvl_2.lvl.val
    x_lvl = ((ex.bodies[2]).body.body.rhs.args[1]).tns.bind.lvl
    x_lvl_ptr = x_lvl.ptr
    x_lvl_left = x_lvl.left
    x_lvl_right = x_lvl.right
    x_lvl_2 = x_lvl.lvl
    x_lvl_ptr_2 = x_lvl_2.ptr
    x_lvl_left_2 = x_lvl_2.left
    x_lvl_right_2 = x_lvl_2.right
    x_lvl_2_val = x_lvl_2.lvl.val
    y_lvl = ((ex.bodies[2]).body.body.rhs.args[2]).tns.bind.lvl
    y_lvl_ptr = y_lvl.ptr
    y_lvl_left = y_lvl.left
    y_lvl_right = y_lvl.right
    y_lvl_2 = y_lvl.lvl
    y_lvl_ptr_2 = y_lvl_2.ptr
    y_lvl_left_2 = y_lvl_2.left
    y_lvl_right_2 = y_lvl_2.right
    y_lvl_2_val = y_lvl_2.lvl.val
    y_lvl_2.shape == x_lvl_2.shape || throw(DimensionMismatch("mismatched dimension limits ($(y_lvl_2.shape) != $(x_lvl_2.shape))"))
    y_lvl.shape == x_lvl.shape || throw(DimensionMismatch("mismatched dimension limits ($(y_lvl.shape) != $(x_lvl.shape))"))
    z_lvl_qos_stop = 0
    z_lvl_2_qos_fill = 0
    z_lvl_2_qos_stop = 0
    z_lvl_2_prev_pos = 0
    Finch.resize_if_smaller!(z_lvl_ptr, 1 + 1)
    Finch.fill_range!(z_lvl_ptr, 0, 1 + 1, 1 + 1)
    z_lvl_qos = 0 + 1
    0 < 1 || throw(FinchProtocolError("SparseRLELevels cannot be updated multiple times"))
    y_lvl_q = y_lvl_ptr[1]
    y_lvl_q_stop = y_lvl_ptr[1 + 1]
    if y_lvl_q < y_lvl_q_stop
        y_lvl_i_end = y_lvl_right[y_lvl_q_stop - 1]
    else
        y_lvl_i_end = 0.0f0
    end
    x_lvl_q = x_lvl_ptr[1]
    x_lvl_q_stop = x_lvl_ptr[1 + 1]
    if x_lvl_q < x_lvl_q_stop
        x_lvl_i_end = x_lvl_right[x_lvl_q_stop - 1]
    else
        x_lvl_i_end = 0.0f0
    end
    phase_stop = min(y_lvl.shape, y_lvl_i_end, x_lvl_i_end)
    if phase_stop >= limit(1.0)
        i = limit(1.0)
        if y_lvl_right[y_lvl_q] < limit(1.0)
            y_lvl_q = Finch.scansearch(y_lvl_right, limit(1.0), y_lvl_q, y_lvl_q_stop - 1)
        end
        if x_lvl_right[x_lvl_q] < limit(1.0)
            x_lvl_q = Finch.scansearch(x_lvl_right, limit(1.0), x_lvl_q, x_lvl_q_stop - 1)
        end
        while i <= phase_stop
            y_lvl_i_start = y_lvl_left[y_lvl_q]
            y_lvl_i_stop = y_lvl_right[y_lvl_q]
            x_lvl_i_start = x_lvl_left[x_lvl_q]
            x_lvl_i_stop = x_lvl_right[x_lvl_q]
            phase_start_2 = i
            phase_stop_2 = min(x_lvl_i_stop, phase_stop, y_lvl_i_stop)
            phase_start_6 = max(phase_start_2, y_lvl_i_start, x_lvl_i_start)
            if phase_stop_2 >= phase_start_6
                if z_lvl_qos > z_lvl_qos_stop
                    z_lvl_qos_stop = max(z_lvl_qos_stop << 1, 1)
                    Finch.resize_if_smaller!(z_lvl_left, z_lvl_qos_stop)
                    Finch.resize_if_smaller!(z_lvl_right, z_lvl_qos_stop)
                    Finch.resize_if_smaller!(z_lvl_ptr_2, z_lvl_qos_stop + 1)
                    Finch.fill_range!(z_lvl_ptr_2, 0, z_lvl_qos + 1, z_lvl_qos_stop + 1)
                end
                z_lvldirty = false
                z_lvl_2_qos = z_lvl_2_qos_fill + 1
                z_lvl_2_prev_pos < z_lvl_qos || throw(FinchProtocolError("SparseRLELevels cannot be updated multiple times"))
                x_lvl_2_q_2 = x_lvl_ptr_2[x_lvl_q]
                x_lvl_2_q_stop_2 = x_lvl_ptr_2[x_lvl_q + 1]
                if x_lvl_2_q_2 < x_lvl_2_q_stop_2
                    x_lvl_2_i_end_2 = x_lvl_right_2[x_lvl_2_q_stop_2 - 1]
                else
                    x_lvl_2_i_end_2 = 0.0f0
                end
                y_lvl_2_q_2 = y_lvl_ptr_2[y_lvl_q]
                y_lvl_2_q_stop_2 = y_lvl_ptr_2[y_lvl_q + 1]
                if y_lvl_2_q_2 < y_lvl_2_q_stop_2
                    y_lvl_2_i_end_2 = y_lvl_right_2[y_lvl_2_q_stop_2 - 1]
                else
                    y_lvl_2_i_end_2 = 0.0f0
                end
                phase_stop_7 = min(y_lvl_2.shape, x_lvl_2_i_end_2, y_lvl_2_i_end_2)
                if phase_stop_7 >= limit(1.0)
                    j = limit(1.0)
                    if x_lvl_right_2[x_lvl_2_q_2] < limit(1.0)
                        x_lvl_2_q_2 = Finch.scansearch(x_lvl_right_2, limit(1.0), x_lvl_2_q_2, x_lvl_2_q_stop_2 - 1)
                    end
                    if y_lvl_right_2[y_lvl_2_q_2] < limit(1.0)
                        y_lvl_2_q_2 = Finch.scansearch(y_lvl_right_2, limit(1.0), y_lvl_2_q_2, y_lvl_2_q_stop_2 - 1)
                    end
                    while j <= phase_stop_7
                        x_lvl_2_i_start_2 = x_lvl_left_2[x_lvl_2_q_2]
                        x_lvl_2_i_stop_2 = x_lvl_right_2[x_lvl_2_q_2]
                        y_lvl_2_i_start_2 = y_lvl_left_2[y_lvl_2_q_2]
                        y_lvl_2_i_stop_2 = y_lvl_right_2[y_lvl_2_q_2]
                        phase_start_8 = j
                        phase_stop_8 = min(y_lvl_2_i_stop_2, phase_stop_7, x_lvl_2_i_stop_2)
                        phase_start_12 = max(phase_start_8, x_lvl_2_i_start_2, y_lvl_2_i_start_2)
                        if phase_stop_8 >= phase_start_12
                            y_lvl_3_val_2 = y_lvl_2_val[y_lvl_2_q_2]
                            x_lvl_3_val_2 = x_lvl_2_val[x_lvl_2_q_2]
                            if z_lvl_2_qos > z_lvl_2_qos_stop
                                z_lvl_2_qos_stop = max(z_lvl_2_qos_stop << 1, 1)
                                Finch.resize_if_smaller!(z_lvl_left_2, z_lvl_2_qos_stop)
                                Finch.resize_if_smaller!(z_lvl_right_2, z_lvl_2_qos_stop)
                                Finch.resize_if_smaller!(z_lvl_2_val, z_lvl_2_qos_stop)
                                Finch.fill_range!(z_lvl_2_val, 0, z_lvl_2_qos, z_lvl_2_qos_stop)
                            end
                            z_lvl_2_val[z_lvl_2_qos] = z_lvl_2_val[z_lvl_2_qos] + x_lvl_3_val_2 * y_lvl_3_val_2
                            z_lvldirty = true
                            z_lvl_left_2[z_lvl_2_qos] = phase_start_12
                            z_lvl_right_2[z_lvl_2_qos] = phase_stop_8
                            z_lvl_2_qos += 1
                            z_lvl_2_prev_pos = z_lvl_qos
                        end
                        x_lvl_2_q_2 += phase_stop_8 == x_lvl_2_i_stop_2
                        y_lvl_2_q_2 += phase_stop_8 == y_lvl_2_i_stop_2
                        j = phase_stop_8 + limit(0+ϵ)
                    end
                end
                z_lvl_ptr_2[z_lvl_qos + 1] = (z_lvl_2_qos - z_lvl_2_qos_fill) - 1
                z_lvl_2_qos_fill = z_lvl_2_qos - 1
                if z_lvldirty
                    z_lvl_left[z_lvl_qos] = phase_start_6
                    z_lvl_right[z_lvl_qos] = phase_stop_2
                    z_lvl_qos += 1
                end
            end
            y_lvl_q += phase_stop_2 == y_lvl_i_stop
            x_lvl_q += phase_stop_2 == x_lvl_i_stop
            i = phase_stop_2 + limit(0+ϵ)
        end
    end
    z_lvl_ptr[1 + 1] = (z_lvl_qos - 0) - 1
    for p = 2:1 + 1
        z_lvl_ptr[p] += z_lvl_ptr[p - 1]
    end
    qos_stop = z_lvl_ptr[1 + 1] - 1
    for p_2 = 2:qos_stop + 1
        z_lvl_ptr_2[p_2] += z_lvl_ptr_2[p_2 - 1]
    end
    resize!(z_lvl_ptr, 1 + 1)
    qos = z_lvl_ptr[end] - 1
    resize!(z_lvl_left, qos)
    resize!(z_lvl_right, qos)
    resize!(z_lvl_ptr_2, qos + 1)
    qos_2 = z_lvl_ptr_2[end] - 1
    resize!(z_lvl_left_2, qos_2)
    resize!(z_lvl_right_2, qos_2)
    resize!(z_lvl_2_val, qos_2)
    (z = Tensor((SparseRLELevel){Limit{Float32}}((SparseRLELevel){Limit{Float32}}(z_lvl_3, y_lvl_2.shape, z_lvl_ptr_2, z_lvl_left_2, z_lvl_right_2), y_lvl.shape, z_lvl_ptr, z_lvl_left, z_lvl_right)),)
end
julia> @finch begin
        z .= 0
        for i = _, j = _
            z[j, i] += x[j, i] * y[j, i]
        end
    end
(z = Tensor(SparseRLE{Limit{Float32}}(SparseRLE{Limit{Float32}}(Element{0, Int32, Int32}([1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]), limit(100.0), [1, 11, 21, 32, 42, 53, 66, 76, 85, 95, 103, 114, 126], Limit{Float32}[limit(17.0), limit(19.0), limit(27.0), limit(34.0), limit(37.0), limit(47.0), limit(55.0), limit(65.0), limit(78.0), limit(95.0), limit(20.0), limit(34.0), limit(37.0), limit(38.0), limit(47.0), limit(55.0), limit(59.0), limit(78.0), limit(91.0), limit(94.0), limit(9.0), limit(13.0), limit(23.0), limit(27.0), limit(39.0), limit(42.0), limit(46.0), limit(47.0), limit(53.0), limit(62.0), limit(91.0), limit(8.0), limit(15.0), limit(19.0), limit(24.0), limit(32.0), limit(34.0), limit(63.0), limit(73.0), limit(74.0), limit(93.0), limit(2.0), limit(19.0), limit(32.0), limit(34.0), limit(38.0), limit(61.0), limit(63.0), limit(73.0), limit(74.0), limit(78.0), limit(94.0), limit(2.0), limit(19.0), limit(20.0), limit(32.0), limit(38.0), limit(45.0), limit(61.0), limit(74.0), limit(79.0), limit(83.0), limit(90.0), limit(94.0), limit(95.0), limit(7.0), limit(9.0), limit(14.0), limit(33.0), limit(37.0), limit(40.0), limit(74.0), limit(90.0), limit(93.0), limit(98.0), limit(14.0), limit(35.0), limit(40.0), limit(44.0), limit(53.0), limit(59.0), limit(77.0), limit(89.0), limit(93.0), limit(3.0), limit(7.0), limit(17.0), limit(18.0), limit(20.0), limit(30.0), limit(55.0), limit(56.0), limit(58.0), limit(82.0), limit(4.0), limit(6.0), limit(15.0), limit(19.0), limit(37.0), limit(50.0), limit(59.0), limit(92.0), limit(3.0), limit(6.0), limit(15.0), limit(22.0), limit(27.0), limit(35.0), limit(48.0), limit(54.0), limit(55.0), limit(72.0), limit(95.0), limit(3.0), limit(6.0), limit(16.0), limit(27.0), limit(34.0), limit(48.0), limit(55.0), limit(60.0), limit(73.0), limit(81.0), limit(91.0), limit(94.0)], Limit{Float32}[limit(18.0), limit(24.0), limit(30.0), limit(36.0), limit(38.0), limit(52.0), limit(55.0), limit(65.0), limit(84.0), limit(96.0), limit(21.0), limit(36.0), limit(37.0), limit(38.0), limit(49.0), limit(56.0), limit(65.0), limit(81.0), limit(92.0), limit(96.0), limit(10.0), limit(13.0), limit(23.0), limit(29.0), limit(39.0), limit(42.0), limit(46.0), limit(47.0), limit(54.0), limit(68.0), limit(93.0), limit(10.0), limit(18.0), limit(23.0), limit(25.0), limit(33.0), limit(38.0), limit(65.0), limit(73.0), limit(75.0), limit(97.0), limit(2.0), limit(24.0), limit(33.0), limit(36.0), limit(38.0), limit(62.0), limit(65.0), limit(73.0), limit(77.0), limit(80.0), limit(98.0), limit(4.0), limit(19.0), limit(23.0), limit(36.0), limit(41.0), limit(50.0), limit(73.0), limit(74.0), limit(80.0), limit(84.0), limit(92.0), limit(94.0), limit(96.0), limit(8.0), limit(9.0), limit(15.0), limit(35.0), limit(39.0), limit(42.0), limit(75.0), limit(90.0), limit(95.0), limit(98.0), limit(15.0), limit(39.0), limit(40.0), limit(45.0), limit(53.0), limit(62.0), limit(81.0), limit(90.0), limit(95.0), limit(5.0), limit(8.0), limit(17.0), limit(18.0), limit(23.0), limit(32.0), limit(55.0), limit(57.0), limit(59.0), limit(86.0), limit(5.0), limit(7.0), limit(17.0), limit(20.0), limit(38.0), limit(51.0), limit(61.0), limit(94.0), limit(5.0), limit(7.0), limit(21.0), limit(24.0), limit(32.0), limit(38.0), limit(52.0), limit(54.0), limit(65.0), limit(73.0), limit(96.0), limit(5.0), limit(7.0), limit(19.0), limit(32.0), limit(38.0), limit(54.0), limit(59.0), limit(64.0), limit(73.0), limit(82.0), limit(92.0), limit(96.0)]), limit(100.0), [1, 13], Limit{Float32}[limit(2.0), limit(6.0), limit(12.0), limit(26.0), limit(29.0), limit(37.0), limit(42.0), limit(47.0), limit(73.0), limit(87.0), limit(88.0), limit(92.0)], Limit{Float32}[limit(3.0), limit(6.0), limit(16.0), limit(27.0), limit(30.0), limit(40.0), limit(45.0), limit(56.0), limit(78.0), limit(87.0), limit(89.0), limit(96.0)])),)

