Median Filter - Latchup

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PASSED

RankingPercentile

Latency

123.88 (36 cycles)ns

7th

top 46%

Throughput

58.12 (20.0%)MHz

2nd

top 8%

Area

57084μm²

13th

top 92%

Score

84.20

6th

top 38%

Submitted Solution

// AUTO-GENERATED USING Seal-Lang 2026.7a ON 2026/08/05 - DO NOT EDIT FILE

`timescale 1ns/1ps
`default_nettype none

module Solution (
    input wire clk,
    input wire reset,
    output wire i_ready,
    input wire i_valid,
    input wire [7:0] i_payload_stream_fragment,
    input wire i_payload_stream_last,
    output reg o_valid,
    output reg [7:0] o_payload_fragment,
    output reg o_payload_last
);

reg [44:0] history;
reg [9:0] valid_of;
reg [9:0] last_of;
reg have_window_pl [1:17];
reg [39:0] window_pl [1:17];
reg [7:0] i_payload_stream_fragment_d [1:17];
reg i_payload_stream_last_d [1:17];
reg i_valid_d [1:17];

wire w55;
wire w65;
wire w75;
wire w85;
wire w92;
wire w99;
wire w109;
wire w119;
wire w126;
wire w133;
wire w143;
wire w153;
wire w160;
wire w167;
wire w177;
wire w187;
wire w194;
wire w201;
wire w211;
integer rst_i0;
integer ur_i1;


assign w55 = window_pl[32'd2][7:0] < window_pl[32'd2][15:8];
assign w65 = window_pl[32'd3][15:8] < window_pl[32'd3][23:16];
assign w75 = window_pl[32'd4][23:16] < window_pl[32'd4][31:24];
assign w85 = window_pl[32'd5][31:24] < window_pl[32'd5][39:32];
assign w92 = window_pl[32'd5][7:0] < window_pl[32'd5][15:8];
assign w99 = window_pl[32'd6][15:8] < window_pl[32'd6][23:16];
assign w109 = window_pl[32'd7][23:16] < window_pl[32'd7][31:24];
assign w119 = window_pl[32'd8][31:24] < window_pl[32'd8][39:32];
assign w126 = window_pl[32'd8][7:0] < window_pl[32'd8][15:8];
assign w133 = window_pl[32'd9][15:8] < window_pl[32'd9][23:16];
assign w143 = window_pl[32'd10][23:16] < window_pl[32'd10][31:24];
assign w153 = window_pl[32'd11][31:24] < window_pl[32'd11][39:32];
assign w160 = window_pl[32'd11][7:0] < window_pl[32'd11][15:8];
assign w167 = window_pl[32'd12][15:8] < window_pl[32'd12][23:16];
assign w177 = window_pl[32'd13][23:16] < window_pl[32'd13][31:24];
assign w187 = window_pl[32'd14][31:24] < window_pl[32'd14][39:32];
assign w194 = window_pl[32'd14][7:0] < window_pl[32'd14][15:8];
assign w201 = window_pl[32'd15][15:8] < window_pl[32'd15][23:16];
assign w211 = window_pl[32'd16][23:16] < window_pl[32'd16][31:24];
assign i_ready = 32'd1;

always @(posedge clk) begin
    if (reset) begin
        history <= 45'd0;
        valid_of <= 10'd0;
        last_of <= 10'd0;
        o_valid <= 1'd0;
        o_payload_fragment <= 8'd0;
        o_payload_last <= 1'd0;
        for (rst_i0 = 1; rst_i0 <= 17; rst_i0 = rst_i0 + 1) begin
            have_window_pl[rst_i0] <= 1'd0;
            window_pl[rst_i0] <= 40'd0;
            i_payload_stream_fragment_d[rst_i0] <= 8'd0;
            i_payload_stream_last_d[rst_i0] <= 1'd0;
            i_valid_d[rst_i0] <= 1'd0;
        end
    end else begin
        // queue.seal:24  m_slots[i] = m_slots[i - 1];
        history[39:32] <= history[31:24];
        history[31:24] <= history[23:16];
        history[23:16] <= history[15:8];
        history[15:8] <= history[7:0];
        // queue.seal:27  m_slots[0] = value;
        history[7:0] <= i_payload_stream_fragment;
        // queue.seal:28  m_filled = (m_filled << 1) | 1;
        history[44:40] <= history[44:40] << 32'd1 | 5'd1;
        valid_of[4] <= valid_of[3];
        valid_of[3] <= valid_of[2];
        valid_of[2] <= valid_of[1];
        valid_of[1] <= valid_of[0];
        valid_of[0] <= i_valid ? 1'd1 : 1'd0;
        valid_of[9:5] <= valid_of[9:5] << 32'd1 | 5'd1;
        last_of[4] <= last_of[3];
        last_of[3] <= last_of[2];
        last_of[2] <= last_of[1];
        last_of[1] <= last_of[0];
        last_of[0] <= i_payload_stream_last ? 1'd1 : 1'd0;
        last_of[9:5] <= last_of[9:5] << 32'd1 | 5'd1;
        window_pl[32'd2] <= history[39:0];
        // main.seal:87  bool have_window = valid_of.m_slots[0] & valid_of.m_slots[1]
        have_window_pl[32'd2] <= valid_of[0] & valid_of[1] & valid_of[2] & valid_of[3] & valid_of[4] & ~last_of[1] & ~last_of[2] & ~last_of[3] & ~last_of[4];
        // algorithm.seal:31  a[j] = lo;
        window_pl[32'd3][7:0] <= w55 ? window_pl[32'd2][7:0] : window_pl[32'd2][15:8];
        have_window_pl[32'd3] <= have_window_pl[32'd2];
        window_pl[32'd3][39:16] <= window_pl[32'd2][39:16];
        // algorithm.seal:32  a[j + 1] = hi;
        window_pl[32'd3][15:8] <= w55 ? window_pl[32'd2][15:8] : window_pl[32'd2][7:0];
        window_pl[32'd4][15:8] <= w65 ? window_pl[32'd3][15:8] : window_pl[32'd3][23:16];
        have_window_pl[32'd4] <= have_window_pl[32'd3];
        window_pl[32'd4][7:0] <= window_pl[32'd3][7:0];
        window_pl[32'd4][39:24] <= window_pl[32'd3][39:24];
        window_pl[32'd4][23:16] <= w65 ? window_pl[32'd3][23:16] : window_pl[32'd3][15:8];
        window_pl[32'd5][23:16] <= w75 ? window_pl[32'd4][23:16] : window_pl[32'd4][31:24];
        have_window_pl[32'd5] <= have_window_pl[32'd4];
        window_pl[32'd5][15:0] <= window_pl[32'd4][15:0];
        window_pl[32'd5][39:32] <= window_pl[32'd4][39:32];
        window_pl[32'd5][31:24] <= w75 ? window_pl[32'd4][31:24] : window_pl[32'd4][23:16];
        window_pl[32'd6][31:24] <= w85 ? window_pl[32'd5][31:24] : window_pl[32'd5][39:32];
        have_window_pl[32'd6] <= have_window_pl[32'd5];
        window_pl[32'd6][23:16] <= window_pl[32'd5][23:16];
        window_pl[32'd6][39:32] <= w85 ? window_pl[32'd5][39:32] : window_pl[32'd5][31:24];
        window_pl[32'd6][7:0] <= w92 ? window_pl[32'd5][7:0] : window_pl[32'd5][15:8];
        window_pl[32'd6][15:8] <= w92 ? window_pl[32'd5][15:8] : window_pl[32'd5][7:0];
        window_pl[32'd7][15:8] <= w99 ? window_pl[32'd6][15:8] : window_pl[32'd6][23:16];
        have_window_pl[32'd7] <= have_window_pl[32'd6];
        window_pl[32'd7][7:0] <= window_pl[32'd6][7:0];
        window_pl[32'd7][39:24] <= window_pl[32'd6][39:24];
        window_pl[32'd7][23:16] <= w99 ? window_pl[32'd6][23:16] : window_pl[32'd6][15:8];
        window_pl[32'd8][23:16] <= w109 ? window_pl[32'd7][23:16] : window_pl[32'd7][31:24];
        have_window_pl[32'd8] <= have_window_pl[32'd7];
        window_pl[32'd8][15:0] <= window_pl[32'd7][15:0];
        window_pl[32'd8][39:32] <= window_pl[32'd7][39:32];
        window_pl[32'd8][31:24] <= w109 ? window_pl[32'd7][31:24] : window_pl[32'd7][23:16];
        window_pl[32'd9][31:24] <= w119 ? window_pl[32'd8][31:24] : window_pl[32'd8][39:32];
        have_window_pl[32'd9] <= have_window_pl[32'd8];
        window_pl[32'd9][23:16] <= window_pl[32'd8][23:16];
        window_pl[32'd9][39:32] <= w119 ? window_pl[32'd8][39:32] : window_pl[32'd8][31:24];
        window_pl[32'd9][7:0] <= w126 ? window_pl[32'd8][7:0] : window_pl[32'd8][15:8];
        window_pl[32'd9][15:8] <= w126 ? window_pl[32'd8][15:8] : window_pl[32'd8][7:0];
        window_pl[32'd10][15:8] <= w133 ? window_pl[32'd9][15:8] : window_pl[32'd9][23:16];
        have_window_pl[32'd10] <= have_window_pl[32'd9];
        window_pl[32'd10][7:0] <= window_pl[32'd9][7:0];
        window_pl[32'd10][39:24] <= window_pl[32'd9][39:24];
        window_pl[32'd10][23:16] <= w133 ? window_pl[32'd9][23:16] : window_pl[32'd9][15:8];
        window_pl[32'd11][23:16] <= w143 ? window_pl[32'd10][23:16] : window_pl[32'd10][31:24];
        have_window_pl[32'd11] <= have_window_pl[32'd10];
        window_pl[32'd11][15:0] <= window_pl[32'd10][15:0];
        window_pl[32'd11][39:32] <= window_pl[32'd10][39:32];
        window_pl[32'd11][31:24] <= w143 ? window_pl[32'd10][31:24] : window_pl[32'd10][23:16];
        window_pl[32'd12][31:24] <= w153 ? window_pl[32'd11][31:24] : window_pl[32'd11][39:32];
        have_window_pl[32'd12] <= have_window_pl[32'd11];
        window_pl[32'd12][23:16] <= window_pl[32'd11][23:16];
        window_pl[32'd12][39:32] <= w153 ? window_pl[32'd11][39:32] : window_pl[32'd11][31:24];
        window_pl[32'd12][7:0] <= w160 ? window_pl[32'd11][7:0] : window_pl[32'd11][15:8];
        window_pl[32'd12][15:8] <= w160 ? window_pl[32'd11][15:8] : window_pl[32'd11][7:0];
        window_pl[32'd13][15:8] <= w167 ? window_pl[32'd12][15:8] : window_pl[32'd12][23:16];
        have_window_pl[32'd13] <= have_window_pl[32'd12];
        window_pl[32'd13][7:0] <= window_pl[32'd12][7:0];
        window_pl[32'd13][39:24] <= window_pl[32'd12][39:24];
        window_pl[32'd13][23:16] <= w167 ? window_pl[32'd12][23:16] : window_pl[32'd12][15:8];
        window_pl[32'd14][23:16] <= w177 ? window_pl[32'd13][23:16] : window_pl[32'd13][31:24];
        have_window_pl[32'd14] <= have_window_pl[32'd13];
        window_pl[32'd14][15:0] <= window_pl[32'd13][15:0];
        window_pl[32'd14][39:32] <= window_pl[32'd13][39:32];
        window_pl[32'd14][31:24] <= w177 ? window_pl[32'd13][31:24] : window_pl[32'd13][23:16];
        window_pl[32'd15][31:24] <= w187 ? window_pl[32'd14][31:24] : window_pl[32'd14][39:32];
        have_window_pl[32'd15] <= have_window_pl[32'd14];
        window_pl[32'd15][23:16] <= window_pl[32'd14][23:16];
        window_pl[32'd15][39:32] <= w187 ? window_pl[32'd14][39:32] : window_pl[32'd14][31:24];
        window_pl[32'd15][7:0] <= w194 ? window_pl[32'd14][7:0] : window_pl[32'd14][15:8];
        window_pl[32'd15][15:8] <= w194 ? window_pl[32'd14][15:8] : window_pl[32'd14][7:0];
        window_pl[32'd16][15:8] <= w201 ? window_pl[32'd15][15:8] : window_pl[32'd15][23:16];
        have_window_pl[32'd16] <= have_window_pl[32'd15];
        window_pl[32'd16][7:0] <= window_pl[32'd15][7:0];
        window_pl[32'd16][39:24] <= window_pl[32'd15][39:24];
        window_pl[32'd16][23:16] <= w201 ? window_pl[32'd15][23:16] : window_pl[32'd15][15:8];
        window_pl[32'd17][23:16] <= w211 ? window_pl[32'd16][23:16] : window_pl[32'd16][31:24];
        have_window_pl[32'd17] <= have_window_pl[32'd16];
        window_pl[32'd17][15:0] <= window_pl[32'd16][15:0];
        window_pl[32'd17][39:32] <= window_pl[32'd16][39:32];
        window_pl[32'd17][31:24] <= w211 ? window_pl[32'd16][31:24] : window_pl[32'd16][23:16];
        // main.seal:98  o_payload_fragment = window[2];
        o_payload_fragment <= window_pl[32'd17][23:16];
        // main.seal:102  o_payload_last = i_payload_stream_last;
        o_payload_last <= i_payload_stream_last_d[32'd17];
        // main.seal:103  o_valid        = have_window;
        o_valid <= have_window_pl[32'd17];
        i_payload_stream_fragment_d[32'd1] <= i_payload_stream_fragment;
        i_payload_stream_last_d[32'd1] <= i_payload_stream_last;
        i_valid_d[32'd1] <= i_valid;
        for (ur_i1 = 0; ur_i1 <= 15; ur_i1 = ur_i1 + 1) begin
            i_payload_stream_fragment_d[(2 + ur_i1)] <= i_payload_stream_fragment_d[(1 + ur_i1)];
            i_payload_stream_last_d[(2 + ur_i1)] <= i_payload_stream_last_d[(1 + ur_i1)];
            i_valid_d[(2 + ur_i1)] <= i_valid_d[(1 + ur_i1)];
        end
    end
end

endmodule

Generated Verilog

// AUTO-GENERATED USING Seal-Lang 2026.7a ON 2026/08/05 - DO NOT EDIT FILE

`timescale 1ns/1ps
`default_nettype none

module Solution (
    input wire clk,
    input wire reset,
    output wire i_ready,
    input wire i_valid,
    input wire [7:0] i_payload_stream_fragment,
    input wire i_payload_stream_last,
    output reg o_valid,
    output reg [7:0] o_payload_fragment,
    output reg o_payload_last
);

reg [44:0] history;
reg [9:0] valid_of;
reg [9:0] last_of;
reg have_window_pl [1:17];
reg [39:0] window_pl [1:17];
reg [7:0] i_payload_stream_fragment_d [1:17];
reg i_payload_stream_last_d [1:17];
reg i_valid_d [1:17];

wire w55;
wire w65;
wire w75;
wire w85;
wire w92;
wire w99;
wire w109;
wire w119;
wire w126;
wire w133;
wire w143;
wire w153;
wire w160;
wire w167;
wire w177;
wire w187;
wire w194;
wire w201;
wire w211;
integer rst_i0;
integer ur_i1;


assign w55 = window_pl[32'd2][7:0] < window_pl[32'd2][15:8];
assign w65 = window_pl[32'd3][15:8] < window_pl[32'd3][23:16];
assign w75 = window_pl[32'd4][23:16] < window_pl[32'd4][31:24];
assign w85 = window_pl[32'd5][31:24] < window_pl[32'd5][39:32];
assign w92 = window_pl[32'd5][7:0] < window_pl[32'd5][15:8];
assign w99 = window_pl[32'd6][15:8] < window_pl[32'd6][23:16];
assign w109 = window_pl[32'd7][23:16] < window_pl[32'd7][31:24];
assign w119 = window_pl[32'd8][31:24] < window_pl[32'd8][39:32];
assign w126 = window_pl[32'd8][7:0] < window_pl[32'd8][15:8];
assign w133 = window_pl[32'd9][15:8] < window_pl[32'd9][23:16];
assign w143 = window_pl[32'd10][23:16] < window_pl[32'd10][31:24];
assign w153 = window_pl[32'd11][31:24] < window_pl[32'd11][39:32];
assign w160 = window_pl[32'd11][7:0] < window_pl[32'd11][15:8];
assign w167 = window_pl[32'd12][15:8] < window_pl[32'd12][23:16];
assign w177 = window_pl[32'd13][23:16] < window_pl[32'd13][31:24];
assign w187 = window_pl[32'd14][31:24] < window_pl[32'd14][39:32];
assign w194 = window_pl[32'd14][7:0] < window_pl[32'd14][15:8];
assign w201 = window_pl[32'd15][15:8] < window_pl[32'd15][23:16];
assign w211 = window_pl[32'd16][23:16] < window_pl[32'd16][31:24];
assign i_ready = 32'd1;

always @(posedge clk) begin
    if (reset) begin
        history <= 45'd0;
        valid_of <= 10'd0;
        last_of <= 10'd0;
        o_valid <= 1'd0;
        o_payload_fragment <= 8'd0;
        o_payload_last <= 1'd0;
        for (rst_i0 = 1; rst_i0 <= 17; rst_i0 = rst_i0 + 1) begin
            have_window_pl[rst_i0] <= 1'd0;
            window_pl[rst_i0] <= 40'd0;
            i_payload_stream_fragment_d[rst_i0] <= 8'd0;
            i_payload_stream_last_d[rst_i0] <= 1'd0;
            i_valid_d[rst_i0] <= 1'd0;
        end
    end else begin
        // queue.seal:24  m_slots[i] = m_slots[i - 1];
        history[39:32] <= history[31:24];
        history[31:24] <= history[23:16];
        history[23:16] <= history[15:8];
        history[15:8] <= history[7:0];
        // queue.seal:27  m_slots[0] = value;
        history[7:0] <= i_payload_stream_fragment;
        // queue.seal:28  m_filled = (m_filled << 1) | 1;
        history[44:40] <= history[44:40] << 32'd1 | 5'd1;
        valid_of[4] <= valid_of[3];
        valid_of[3] <= valid_of[2];
        valid_of[2] <= valid_of[1];
        valid_of[1] <= valid_of[0];
        valid_of[0] <= i_valid ? 1'd1 : 1'd0;
        valid_of[9:5] <= valid_of[9:5] << 32'd1 | 5'd1;
        last_of[4] <= last_of[3];
        last_of[3] <= last_of[2];
        last_of[2] <= last_of[1];
        last_of[1] <= last_of[0];
        last_of[0] <= i_payload_stream_last ? 1'd1 : 1'd0;
        last_of[9:5] <= last_of[9:5] << 32'd1 | 5'd1;
        window_pl[32'd2] <= history[39:0];
        // main.seal:87  bool have_window = valid_of.m_slots[0] & valid_of.m_slots[1]
        have_window_pl[32'd2] <= valid_of[0] & valid_of[1] & valid_of[2] & valid_of[3] & valid_of[4] & ~last_of[1] & ~last_of[2] & ~last_of[3] & ~last_of[4];
        // algorithm.seal:31  a[j] = lo;
        window_pl[32'd3][7:0] <= w55 ? window_pl[32'd2][7:0] : window_pl[32'd2][15:8];
        have_window_pl[32'd3] <= have_window_pl[32'd2];
        window_pl[32'd3][39:16] <= window_pl[32'd2][39:16];
        // algorithm.seal:32  a[j + 1] = hi;
        window_pl[32'd3][15:8] <= w55 ? window_pl[32'd2][15:8] : window_pl[32'd2][7:0];
        window_pl[32'd4][15:8] <= w65 ? window_pl[32'd3][15:8] : window_pl[32'd3][23:16];
        have_window_pl[32'd4] <= have_window_pl[32'd3];
        window_pl[32'd4][7:0] <= window_pl[32'd3][7:0];
        window_pl[32'd4][39:24] <= window_pl[32'd3][39:24];
        window_pl[32'd4][23:16] <= w65 ? window_pl[32'd3][23:16] : window_pl[32'd3][15:8];
        window_pl[32'd5][23:16] <= w75 ? window_pl[32'd4][23:16] : window_pl[32'd4][31:24];
        have_window_pl[32'd5] <= have_window_pl[32'd4];
        window_pl[32'd5][15:0] <= window_pl[32'd4][15:0];
        window_pl[32'd5][39:32] <= window_pl[32'd4][39:32];
        window_pl[32'd5][31:24] <= w75 ? window_pl[32'd4][31:24] : window_pl[32'd4][23:16];
        window_pl[32'd6][31:24] <= w85 ? window_pl[32'd5][31:24] : window_pl[32'd5][39:32];
        have_window_pl[32'd6] <= have_window_pl[32'd5];
        window_pl[32'd6][23:16] <= window_pl[32'd5][23:16];
        window_pl[32'd6][39:32] <= w85 ? window_pl[32'd5][39:32] : window_pl[32'd5][31:24];
        window_pl[32'd6][7:0] <= w92 ? window_pl[32'd5][7:0] : window_pl[32'd5][15:8];
        window_pl[32'd6][15:8] <= w92 ? window_pl[32'd5][15:8] : window_pl[32'd5][7:0];
        window_pl[32'd7][15:8] <= w99 ? window_pl[32'd6][15:8] : window_pl[32'd6][23:16];
        have_window_pl[32'd7] <= have_window_pl[32'd6];
        window_pl[32'd7][7:0] <= window_pl[32'd6][7:0];
        window_pl[32'd7][39:24] <= window_pl[32'd6][39:24];
        window_pl[32'd7][23:16] <= w99 ? window_pl[32'd6][23:16] : window_pl[32'd6][15:8];
        window_pl[32'd8][23:16] <= w109 ? window_pl[32'd7][23:16] : window_pl[32'd7][31:24];
        have_window_pl[32'd8] <= have_window_pl[32'd7];
        window_pl[32'd8][15:0] <= window_pl[32'd7][15:0];
        window_pl[32'd8][39:32] <= window_pl[32'd7][39:32];
        window_pl[32'd8][31:24] <= w109 ? window_pl[32'd7][31:24] : window_pl[32'd7][23:16];
        window_pl[32'd9][31:24] <= w119 ? window_pl[32'd8][31:24] : window_pl[32'd8][39:32];
        have_window_pl[32'd9] <= have_window_pl[32'd8];
        window_pl[32'd9][23:16] <= window_pl[32'd8][23:16];
        window_pl[32'd9][39:32] <= w119 ? window_pl[32'd8][39:32] : window_pl[32'd8][31:24];
        window_pl[32'd9][7:0] <= w126 ? window_pl[32'd8][7:0] : window_pl[32'd8][15:8];
        window_pl[32'd9][15:8] <= w126 ? window_pl[32'd8][15:8] : window_pl[32'd8][7:0];
        window_pl[32'd10][15:8] <= w133 ? window_pl[32'd9][15:8] : window_pl[32'd9][23:16];
        have_window_pl[32'd10] <= have_window_pl[32'd9];
        window_pl[32'd10][7:0] <= window_pl[32'd9][7:0];
        window_pl[32'd10][39:24] <= window_pl[32'd9][39:24];
        window_pl[32'd10][23:16] <= w133 ? window_pl[32'd9][23:16] : window_pl[32'd9][15:8];
        window_pl[32'd11][23:16] <= w143 ? window_pl[32'd10][23:16] : window_pl[32'd10][31:24];
        have_window_pl[32'd11] <= have_window_pl[32'd10];
        window_pl[32'd11][15:0] <= window_pl[32'd10][15:0];
        window_pl[32'd11][39:32] <= window_pl[32'd10][39:32];
        window_pl[32'd11][31:24] <= w143 ? window_pl[32'd10][31:24] : window_pl[32'd10][23:16];
        window_pl[32'd12][31:24] <= w153 ? window_pl[32'd11][31:24] : window_pl[32'd11][39:32];
        have_window_pl[32'd12] <= have_window_pl[32'd11];
        window_pl[32'd12][23:16] <= window_pl[32'd11][23:16];
        window_pl[32'd12][39:32] <= w153 ? window_pl[32'd11][39:32] : window_pl[32'd11][31:24];
        window_pl[32'd12][7:0] <= w160 ? window_pl[32'd11][7:0] : window_pl[32'd11][15:8];
        window_pl[32'd12][15:8] <= w160 ? window_pl[32'd11][15:8] : window_pl[32'd11][7:0];
        window_pl[32'd13][15:8] <= w167 ? window_pl[32'd12][15:8] : window_pl[32'd12][23:16];
        have_window_pl[32'd13] <= have_window_pl[32'd12];
        window_pl[32'd13][7:0] <= window_pl[32'd12][7:0];
        window_pl[32'd13][39:24] <= window_pl[32'd12][39:24];
        window_pl[32'd13][23:16] <= w167 ? window_pl[32'd12][23:16] : window_pl[32'd12][15:8];
        window_pl[32'd14][23:16] <= w177 ? window_pl[32'd13][23:16] : window_pl[32'd13][31:24];
        have_window_pl[32'd14] <= have_window_pl[32'd13];
        window_pl[32'd14][15:0] <= window_pl[32'd13][15:0];
        window_pl[32'd14][39:32] <= window_pl[32'd13][39:32];
        window_pl[32'd14][31:24] <= w177 ? window_pl[32'd13][31:24] : window_pl[32'd13][23:16];
        window_pl[32'd15][31:24] <= w187 ? window_pl[32'd14][31:24] : window_pl[32'd14][39:32];
        have_window_pl[32'd15] <= have_window_pl[32'd14];
        window_pl[32'd15][23:16] <= window_pl[32'd14][23:16];
        window_pl[32'd15][39:32] <= w187 ? window_pl[32'd14][39:32] : window_pl[32'd14][31:24];
        window_pl[32'd15][7:0] <= w194 ? window_pl[32'd14][7:0] : window_pl[32'd14][15:8];
        window_pl[32'd15][15:8] <= w194 ? window_pl[32'd14][15:8] : window_pl[32'd14][7:0];
        window_pl[32'd16][15:8] <= w201 ? window_pl[32'd15][15:8] : window_pl[32'd15][23:16];
        have_window_pl[32'd16] <= have_window_pl[32'd15];
        window_pl[32'd16][7:0] <= window_pl[32'd15][7:0];
        window_pl[32'd16][39:24] <= window_pl[32'd15][39:24];
        window_pl[32'd16][23:16] <= w201 ? window_pl[32'd15][23:16] : window_pl[32'd15][15:8];
        window_pl[32'd17][23:16] <= w211 ? window_pl[32'd16][23:16] : window_pl[32'd16][31:24];
        have_window_pl[32'd17] <= have_window_pl[32'd16];
        window_pl[32'd17][15:0] <= window_pl[32'd16][15:0];
        window_pl[32'd17][39:32] <= window_pl[32'd16][39:32];
        window_pl[32'd17][31:24] <= w211 ? window_pl[32'd16][31:24] : window_pl[32'd16][23:16];
        // main.seal:98  o_payload_fragment = window[2];
        o_payload_fragment <= window_pl[32'd17][23:16];
        // main.seal:102  o_payload_last = i_payload_stream_last;
        o_payload_last <= i_payload_stream_last_d[32'd17];
        // main.seal:103  o_valid        = have_window;
        o_valid <= have_window_pl[32'd17];
        i_payload_stream_fragment_d[32'd1] <= i_payload_stream_fragment;
        i_payload_stream_last_d[32'd1] <= i_payload_stream_last;
        i_valid_d[32'd1] <= i_valid;
        for (ur_i1 = 0; ur_i1 <= 15; ur_i1 = ur_i1 + 1) begin
            i_payload_stream_fragment_d[(2 + ur_i1)] <= i_payload_stream_fragment_d[(1 + ur_i1)];
            i_payload_stream_last_d[(2 + ur_i1)] <= i_payload_stream_last_d[(1 + ur_i1)];
            i_valid_d[(2 + ur_i1)] <= i_valid_d[(1 + ur_i1)];
        end
    end
end

endmodule

Timing Analysis

Path 1-3.440 ns

From: window_pl[11][15]$_SDFF_PP0_/Q

To: window_pl[12][0]$_SDFF_PP0_/D

Data Arrival: 3.291 ns

Arrival (ns)	Cell	Pin
0.000	Solution	`clk`
0.000	sky130_fd_sc_hvl__dfxtp_1	`window_pl[11][15]$_SDFF_PP0_/CLK`
0.736	sky130_fd_sc_hvl__dfxtp_1	`window_pl[11][15]$_SDFF_PP0_/Q`
0.736	sky130_fd_sc_hvl__or2_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6033/A`
1.259	sky130_fd_sc_hvl__or2_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6033/X`
1.259	sky130_fd_sc_hvl__a22oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6042/B1`
1.548	sky130_fd_sc_hvl__a22oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6042/Y`
1.548	sky130_fd_sc_hvl__nand3_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6080/A`
1.765	sky130_fd_sc_hvl__nand3_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6080/Y`
1.765	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6089/B1`
2.976	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6089/Y`
2.976	sky130_fd_sc_hvl__o21ai_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6090/A2`
3.106	sky130_fd_sc_hvl__o21ai_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6090/Y`
3.106	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6091/A1`
3.291	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6091/Y`
3.291	sky130_fd_sc_hvl__dfxtp_1	`window_pl[12][0]$_SDFF_PP0_/D`

Path 2-3.440 ns

From: window_pl[11][15]$_SDFF_PP0_/Q

To: window_pl[12][10]$_SDFF_PP0_/D

Data Arrival: 3.291 ns

Arrival (ns)	Cell	Pin
0.000	Solution	`clk`
0.000	sky130_fd_sc_hvl__dfxtp_1	`window_pl[11][15]$_SDFF_PP0_/CLK`
0.736	sky130_fd_sc_hvl__dfxtp_1	`window_pl[11][15]$_SDFF_PP0_/Q`
0.736	sky130_fd_sc_hvl__or2_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6033/A`
1.259	sky130_fd_sc_hvl__or2_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6033/X`
1.259	sky130_fd_sc_hvl__a22oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6042/B1`
1.548	sky130_fd_sc_hvl__a22oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6042/Y`
1.548	sky130_fd_sc_hvl__nand3_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6080/A`
1.765	sky130_fd_sc_hvl__nand3_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6080/Y`
1.765	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6089/B1`
2.976	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6089/Y`
2.976	sky130_fd_sc_hvl__o21ai_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6120/A2`
3.106	sky130_fd_sc_hvl__o21ai_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6120/Y`
3.106	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6121/A1`
3.291	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6121/Y`
3.291	sky130_fd_sc_hvl__dfxtp_1	`window_pl[12][10]$_SDFF_PP0_/D`

Path 3-3.440 ns

From: window_pl[11][15]$_SDFF_PP0_/Q

To: window_pl[12][11]$_SDFF_PP0_/D

Data Arrival: 3.291 ns

Arrival (ns)	Cell	Pin
0.000	Solution	`clk`
0.000	sky130_fd_sc_hvl__dfxtp_1	`window_pl[11][15]$_SDFF_PP0_/CLK`
0.736	sky130_fd_sc_hvl__dfxtp_1	`window_pl[11][15]$_SDFF_PP0_/Q`
0.736	sky130_fd_sc_hvl__or2_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6033/A`
1.259	sky130_fd_sc_hvl__or2_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6033/X`
1.259	sky130_fd_sc_hvl__a22oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6042/B1`
1.548	sky130_fd_sc_hvl__a22oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6042/Y`
1.548	sky130_fd_sc_hvl__nand3_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6080/A`
1.765	sky130_fd_sc_hvl__nand3_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6080/Y`
1.765	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6089/B1`
2.976	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6089/Y`
2.976	sky130_fd_sc_hvl__o21ai_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6123/A2`
3.106	sky130_fd_sc_hvl__o21ai_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6123/Y`
3.106	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6124/A1`
3.291	sky130_fd_sc_hvl__a21oi_1	`$abc$4398$auto$blifparse.cc:396:parse_blif$6124/Y`
3.291	sky130_fd_sc_hvl__dfxtp_1	`window_pl[12][11]$_SDFF_PP0_/D`

Post-Synthesis Verilog

Download synth.v