Synthesis Messages

Report Title GowinSynthesis Report
Design File C:\Users\24165\Desktop\acg720_138_acm2108_108_ddr3_usb\acm2108_ddr3_usb\src\wr_data_fifo\temp\FIFO\fifo_define.v
C:\Users\24165\Desktop\acg720_138_acm2108_108_ddr3_usb\acm2108_ddr3_usb\src\wr_data_fifo\temp\FIFO\fifo_parameter.v
D:\Gowin\Gowin_V1.9.11.03_x64\IDE\ipcore\FIFO\data\edc.v
D:\Gowin\Gowin_V1.9.11.03_x64\IDE\ipcore\FIFO\data\fifo.v
D:\Gowin\Gowin_V1.9.11.03_x64\IDE\ipcore\FIFO\data\fifo_top.v
GowinSynthesis Constraints File ---
Tool Version V1.9.11.03 (64-bit)
Part Number GW5AT-LV138PG484AC1/I0
Device GW5AT-138
Device Version B
Created Time Tue Sep 9 13:34:14 2025
Legal Announcement Copyright (C)2014-2025 Gowin Semiconductor Corporation. ALL rights reserved.

Synthesis Details

Top Level Module wr_data_fifo
Synthesis Process Running parser:
    CPU time = 0h 0m 0.328s, Elapsed time = 0h 0m 0.375s, Peak memory usage = 77.129MB
Running netlist conversion:
    CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.002s, Peak memory usage = 77.129MB
Running device independent optimization:
    Optimizing Phase 0: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0.003s, Peak memory usage = 77.129MB
    Optimizing Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.002s, Peak memory usage = 77.129MB
    Optimizing Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.005s, Peak memory usage = 77.129MB
Running inference:
    Inferring Phase 0: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0.004s, Peak memory usage = 77.129MB
    Inferring Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 77.129MB
    Inferring Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.001s, Peak memory usage = 77.129MB
    Inferring Phase 3: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 77.129MB
Running technical mapping:
    Tech-Mapping Phase 0: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.005s, Peak memory usage = 77.129MB
    Tech-Mapping Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.001s, Peak memory usage = 77.129MB
    Tech-Mapping Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.001s, Peak memory usage = 77.129MB
    Tech-Mapping Phase 3: CPU time = 0h 0m 0.312s, Elapsed time = 0h 0m 0.352s, Peak memory usage = 92.535MB
    Tech-Mapping Phase 4: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.003s, Peak memory usage = 92.535MB
Generate output files:
    CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.015s, Peak memory usage = 92.535MB
Total Time and Memory Usage CPU time = 0h 0m 0.67s, Elapsed time = 0h 0m 0.769s, Peak memory usage = 92.535MB

Resource

Resource Usage Summary

Resource Usage
I/O Port 176
I/O Buf 176
    IBUF 21
    OBUF 155
Register 112
    DFFPE 6
    DFFCE 106
LUT 93
    LUT2 21
    LUT3 28
    LUT4 44
ALU 30
    ALU 30
INV 3
    INV 3
BSRAM 4
    SDPB 4

Resource Utilization Summary

Resource Usage Utilization
Logic 126(96 LUT, 30 ALU) / 138240 <1%
Register 112 / 139095 <1%
  --Register as Latch 0 / 139095 0%
  --Register as FF 112 / 139095 <1%
BSRAM 4 / 340 2%

Timing

Clock Summary:

NO. Clock Name Type Period Frequency(MHz) Rise Fall Source Master Object
1 RdClk Base 10.000 100.000 0.000 5.000 RdClk_ibuf/I
2 WrClk Base 10.000 100.000 0.000 5.000 WrClk_ibuf/I

Max Frequency Summary:

NO. Clock Name Constraint Actual Fmax Logic Level Entity
1 RdClk 100.000(MHz) 127.186(MHz) 9 TOP
2 WrClk 100.000(MHz) 135.341(MHz) 9 TOP

Detail Timing Paths Information

Path 1

Path Summary:
Slack 2.137
Data Arrival Time 8.211
Data Required Time 10.349
From fifo_inst/Big.rq2_wptr_6_s0
To fifo_inst/Almost_Empty_s0
Launch Clk RdClk[R]
Latch Clk RdClk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 RdClk
0.000 0.000 tCL RR 1 RdClk_ibuf/I
0.000 0.000 tINS RR 57 RdClk_ibuf/O
0.413 0.413 tNET RR 1 fifo_inst/Big.rq2_wptr_6_s0/CLK
0.795 0.382 tC2Q RR 2 fifo_inst/Big.rq2_wptr_6_s0/Q
1.207 0.413 tNET RR 1 fifo_inst/Big.wcount_r_6_s1/I0
1.786 0.579 tINS RR 3 fifo_inst/Big.wcount_r_6_s1/F
2.199 0.413 tNET RR 1 fifo_inst/Big.wcount_r_5_s0/I1
2.766 0.567 tINS RR 2 fifo_inst/Big.wcount_r_5_s0/F
3.179 0.413 tNET RR 1 fifo_inst/Big.wcount_r_4_s0/I1
3.746 0.567 tINS RR 1 fifo_inst/Big.wcount_r_4_s0/F
4.159 0.413 tNET RR 2 fifo_inst/rcnt_sub_4_s/I0
4.754 0.595 tINS RF 1 fifo_inst/rcnt_sub_4_s/COUT
4.754 0.000 tNET FF 2 fifo_inst/rcnt_sub_5_s/CIN
4.804 0.050 tINS FR 1 fifo_inst/rcnt_sub_5_s/COUT
4.804 0.000 tNET RR 2 fifo_inst/rcnt_sub_6_s/CIN
4.854 0.050 tINS RR 1 fifo_inst/rcnt_sub_6_s/COUT
4.854 0.000 tNET RR 2 fifo_inst/rcnt_sub_7_s/CIN
4.904 0.050 tINS RR 1 fifo_inst/rcnt_sub_7_s/COUT
4.904 0.000 tNET RR 2 fifo_inst/rcnt_sub_8_s/CIN
4.954 0.050 tINS RR 1 fifo_inst/rcnt_sub_8_s/COUT
4.954 0.000 tNET RR 2 fifo_inst/rcnt_sub_9_s/CIN
5.198 0.244 tINS RR 2 fifo_inst/rcnt_sub_9_s/SUM
5.610 0.413 tNET RR 1 fifo_inst/arempty_val_s2/I1
6.178 0.567 tINS RR 1 fifo_inst/arempty_val_s2/F
6.590 0.413 tNET RR 1 fifo_inst/arempty_val_s1/I2
7.098 0.507 tINS RR 1 fifo_inst/arempty_val_s1/F
7.510 0.413 tNET RR 1 fifo_inst/arempty_val_s0/I3
7.799 0.289 tINS RR 1 fifo_inst/arempty_val_s0/F
8.211 0.413 tNET RR 1 fifo_inst/Almost_Empty_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 RdClk
10.000 0.000 tCL RR 1 RdClk_ibuf/I
10.000 0.000 tINS RR 57 RdClk_ibuf/O
10.413 0.413 tNET RR 1 fifo_inst/Almost_Empty_s0/CLK
10.349 -0.064 tSu 1 fifo_inst/Almost_Empty_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 9
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%
Arrival Data Path Delay: cell: 4.116, 52.781%; route: 3.300, 42.314%; tC2Q: 0.382, 4.905%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%

Path 2

Path Summary:
Slack 2.611
Data Arrival Time 7.738
Data Required Time 10.349
From fifo_inst/Big.wq2_rptr_6_s0
To fifo_inst/Almost_Full_s0
Launch Clk WrClk[R]
Latch Clk WrClk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 WrClk
0.000 0.000 tCL RR 1 WrClk_ibuf/I
0.000 0.000 tINS RR 63 WrClk_ibuf/O
0.413 0.413 tNET RR 1 fifo_inst/Big.wq2_rptr_6_s0/CLK
0.795 0.382 tC2Q RR 2 fifo_inst/Big.wq2_rptr_6_s0/Q
1.207 0.413 tNET RR 1 fifo_inst/Big.rcount_w_1_9_s1/I0
1.786 0.579 tINS RR 4 fifo_inst/Big.rcount_w_1_9_s1/F
2.199 0.413 tNET RR 1 fifo_inst/Big.rcount_w_1_6_s0/I3
2.487 0.289 tINS RR 4 fifo_inst/Big.rcount_w_1_6_s0/F
2.900 0.413 tNET RR 1 fifo_inst/Big.rcount_w_1_5_s0/I1
3.468 0.567 tINS RR 1 fifo_inst/Big.rcount_w_1_5_s0/F
3.880 0.413 tNET RR 2 fifo_inst/wcnt_sub_5_s/I1
4.480 0.600 tINS RF 1 fifo_inst/wcnt_sub_5_s/COUT
4.480 0.000 tNET FF 2 fifo_inst/wcnt_sub_6_s/CIN
4.724 0.244 tINS FR 2 fifo_inst/wcnt_sub_6_s/SUM
5.136 0.413 tNET RR 1 fifo_inst/awfull_val_s3/I1
5.704 0.567 tINS RR 1 fifo_inst/awfull_val_s3/F
6.116 0.413 tNET RR 1 fifo_inst/awfull_val_s2/I2
6.624 0.507 tINS RR 1 fifo_inst/awfull_val_s2/F
7.036 0.413 tNET RR 1 fifo_inst/awfull_val_s0/I3
7.325 0.289 tINS RR 1 fifo_inst/awfull_val_s0/F
7.738 0.413 tNET RR 1 fifo_inst/Almost_Full_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 WrClk
10.000 0.000 tCL RR 1 WrClk_ibuf/I
10.000 0.000 tINS RR 63 WrClk_ibuf/O
10.413 0.413 tNET RR 1 fifo_inst/Almost_Full_s0/CLK
10.349 -0.064 tSu 1 fifo_inst/Almost_Full_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 9
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%
Arrival Data Path Delay: cell: 3.642, 49.727%; route: 3.300, 45.051%; tC2Q: 0.382, 5.222%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%

Path 3

Path Summary:
Slack 3.510
Data Arrival Time 6.839
Data Required Time 10.349
From fifo_inst/Empty_s0
To fifo_inst/Empty_s0
Launch Clk RdClk[R]
Latch Clk RdClk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 RdClk
0.000 0.000 tCL RR 1 RdClk_ibuf/I
0.000 0.000 tINS RR 57 RdClk_ibuf/O
0.413 0.413 tNET RR 1 fifo_inst/Empty_s0/CLK
0.795 0.382 tC2Q RR 6 fifo_inst/Empty_s0/Q
1.207 0.413 tNET RR 1 fifo_inst/rbin_num_next_2_s5/I0
1.786 0.579 tINS RR 7 fifo_inst/rbin_num_next_2_s5/F
2.199 0.413 tNET RR 1 fifo_inst/Big.rgraynext_5_s1/I3
2.487 0.289 tINS RR 7 fifo_inst/Big.rgraynext_5_s1/F
2.900 0.413 tNET RR 1 fifo_inst/rbin_num_next_7_s4/I2
3.408 0.507 tINS RR 7 fifo_inst/rbin_num_next_7_s4/F
3.820 0.413 tNET RR 1 fifo_inst/Big.rgraynext_7_s0/I2
4.328 0.507 tINS RR 2 fifo_inst/Big.rgraynext_7_s0/F
4.740 0.413 tNET RR 2 fifo_inst/n682_s0/I0
5.335 0.595 tINS RF 1 fifo_inst/n682_s0/COUT
5.335 0.000 tNET FF 2 fifo_inst/n683_s0/CIN
5.385 0.050 tINS FR 1 fifo_inst/n683_s0/COUT
5.385 0.000 tNET RR 2 fifo_inst/n684_s0/CIN
5.435 0.050 tINS RR 2 fifo_inst/n684_s0/COUT
5.848 0.413 tNET RR 1 fifo_inst/rempty_val_s1/I0
6.426 0.579 tINS RR 1 fifo_inst/rempty_val_s1/F
6.839 0.413 tNET RR 1 fifo_inst/Empty_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 RdClk
10.000 0.000 tCL RR 1 RdClk_ibuf/I
10.000 0.000 tINS RR 57 RdClk_ibuf/O
10.413 0.413 tNET RR 1 fifo_inst/Empty_s0/CLK
10.349 -0.064 tSu 1 fifo_inst/Empty_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%
Arrival Data Path Delay: cell: 3.156, 49.115%; route: 2.887, 44.933%; tC2Q: 0.382, 5.952%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%

Path 4

Path Summary:
Slack 3.554
Data Arrival Time 6.768
Data Required Time 10.321
From fifo_inst/Empty_s0
To fifo_inst/Big.mem_Big.mem_0_3_s
Launch Clk RdClk[R]
Latch Clk RdClk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 RdClk
0.000 0.000 tCL RR 1 RdClk_ibuf/I
0.000 0.000 tINS RR 57 RdClk_ibuf/O
0.413 0.413 tNET RR 1 fifo_inst/Empty_s0/CLK
0.795 0.382 tC2Q RR 6 fifo_inst/Empty_s0/Q
1.207 0.413 tNET RR 1 fifo_inst/rbin_num_next_2_s5/I0
1.786 0.579 tINS RR 7 fifo_inst/rbin_num_next_2_s5/F
2.199 0.413 tNET RR 1 fifo_inst/Big.rgraynext_5_s1/I3
2.487 0.289 tINS RR 7 fifo_inst/Big.rgraynext_5_s1/F
2.900 0.413 tNET RR 1 fifo_inst/rbin_num_next_7_s4/I2
3.408 0.507 tINS RR 7 fifo_inst/rbin_num_next_7_s4/F
3.820 0.413 tNET RR 1 fifo_inst/Big.rgraynext_7_s0/I2
4.328 0.507 tINS RR 2 fifo_inst/Big.rgraynext_7_s0/F
4.740 0.413 tNET RR 2 fifo_inst/n682_s0/I0
5.335 0.595 tINS RF 1 fifo_inst/n682_s0/COUT
5.335 0.000 tNET FF 2 fifo_inst/n683_s0/CIN
5.385 0.050 tINS FR 1 fifo_inst/n683_s0/COUT
5.385 0.000 tNET RR 2 fifo_inst/n684_s0/CIN
5.435 0.050 tINS RR 2 fifo_inst/n684_s0/COUT
5.848 0.413 tNET RR 1 fifo_inst/n34_s1/I2
6.355 0.507 tINS RR 4 fifo_inst/n34_s1/F
6.768 0.413 tNET RR 1 fifo_inst/Big.mem_Big.mem_0_3_s/CEB
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 RdClk
10.000 0.000 tCL RR 1 RdClk_ibuf/I
10.000 0.000 tINS RR 57 RdClk_ibuf/O
10.413 0.413 tNET RR 1 fifo_inst/Big.mem_Big.mem_0_3_s/CLKB
10.321 -0.091 tSu 1 fifo_inst/Big.mem_Big.mem_0_3_s
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%
Arrival Data Path Delay: cell: 3.085, 48.544%; route: 2.887, 45.437%; tC2Q: 0.382, 6.019%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%

Path 5

Path Summary:
Slack 3.554
Data Arrival Time 6.768
Data Required Time 10.321
From fifo_inst/Empty_s0
To fifo_inst/Big.mem_Big.mem_0_2_s
Launch Clk RdClk[R]
Latch Clk RdClk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 RdClk
0.000 0.000 tCL RR 1 RdClk_ibuf/I
0.000 0.000 tINS RR 57 RdClk_ibuf/O
0.413 0.413 tNET RR 1 fifo_inst/Empty_s0/CLK
0.795 0.382 tC2Q RR 6 fifo_inst/Empty_s0/Q
1.207 0.413 tNET RR 1 fifo_inst/rbin_num_next_2_s5/I0
1.786 0.579 tINS RR 7 fifo_inst/rbin_num_next_2_s5/F
2.199 0.413 tNET RR 1 fifo_inst/Big.rgraynext_5_s1/I3
2.487 0.289 tINS RR 7 fifo_inst/Big.rgraynext_5_s1/F
2.900 0.413 tNET RR 1 fifo_inst/rbin_num_next_7_s4/I2
3.408 0.507 tINS RR 7 fifo_inst/rbin_num_next_7_s4/F
3.820 0.413 tNET RR 1 fifo_inst/Big.rgraynext_7_s0/I2
4.328 0.507 tINS RR 2 fifo_inst/Big.rgraynext_7_s0/F
4.740 0.413 tNET RR 2 fifo_inst/n682_s0/I0
5.335 0.595 tINS RF 1 fifo_inst/n682_s0/COUT
5.335 0.000 tNET FF 2 fifo_inst/n683_s0/CIN
5.385 0.050 tINS FR 1 fifo_inst/n683_s0/COUT
5.385 0.000 tNET RR 2 fifo_inst/n684_s0/CIN
5.435 0.050 tINS RR 2 fifo_inst/n684_s0/COUT
5.848 0.413 tNET RR 1 fifo_inst/n34_s1/I2
6.355 0.507 tINS RR 4 fifo_inst/n34_s1/F
6.768 0.413 tNET RR 1 fifo_inst/Big.mem_Big.mem_0_2_s/CEB
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 RdClk
10.000 0.000 tCL RR 1 RdClk_ibuf/I
10.000 0.000 tINS RR 57 RdClk_ibuf/O
10.413 0.413 tNET RR 1 fifo_inst/Big.mem_Big.mem_0_2_s/CLKB
10.321 -0.091 tSu 1 fifo_inst/Big.mem_Big.mem_0_2_s
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%
Arrival Data Path Delay: cell: 3.085, 48.544%; route: 2.887, 45.437%; tC2Q: 0.382, 6.019%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.413, 100.000%