Synthesis Messages

Report Title GowinSynthesis Report
Design File C:\Gowin\Gowin_V1.9.9.03_x64\IDE\ipcore\FP_Nat_Log\data\FP_Natural_Logarithm_wrap.v
C:\Gowin\Gowin_V1.9.9.03_x64\IDE\ipcore\FP_Nat_Log\data\FP_Natural_Logarithm.v
GowinSynthesis Constraints File ---
Tool Version V1.9.9.03 (64-bit)
Part Number GW5A-LV25UG324ES
Device GW5A-25
Device Version A
Created Time Tue May 7 15:37:21 2024
Legal Announcement Copyright (C)2014-2024 Gowin Semiconductor Corporation. ALL rights reserved.

Synthesis Details

Top Level Module FP_Natural_Logarithm_Top
Synthesis Process Running parser:
    CPU time = 0h 0m 0.765s, Elapsed time = 0h 0m 0.782s, Peak memory usage = 197.266MB
Running netlist conversion:
    CPU time = 0h 0m 0.125s, Elapsed time = 0h 0m 0.12s, Peak memory usage = 197.266MB
Running device independent optimization:
    Optimizing Phase 0: CPU time = 0h 0m 0.703s, Elapsed time = 0h 0m 0.733s, Peak memory usage = 197.266MB
    Optimizing Phase 1: CPU time = 0h 0m 0.14s, Elapsed time = 0h 0m 0.14s, Peak memory usage = 197.266MB
    Optimizing Phase 2: CPU time = 0h 0m 0.328s, Elapsed time = 0h 0m 0.315s, Peak memory usage = 197.266MB
Running inference:
    Inferring Phase 0: CPU time = 0h 0m 0.093s, Elapsed time = 0h 0m 0.103s, Peak memory usage = 197.266MB
    Inferring Phase 1: CPU time = 0h 0m 0.078s, Elapsed time = 0h 0m 0.067s, Peak memory usage = 197.266MB
    Inferring Phase 2: CPU time = 0h 0m 0.031s, Elapsed time = 0h 0m 0.04s, Peak memory usage = 197.266MB
    Inferring Phase 3: CPU time = 0h 0m 0.156s, Elapsed time = 0h 0m 0.147s, Peak memory usage = 197.266MB
Running technical mapping:
    Tech-Mapping Phase 0: CPU time = 0h 0m 0.968s, Elapsed time = 0h 0m 0.978s, Peak memory usage = 197.266MB
    Tech-Mapping Phase 1: CPU time = 0h 0m 0.093s, Elapsed time = 0h 0m 0.096s, Peak memory usage = 197.266MB
    Tech-Mapping Phase 2: CPU time = 0h 0m 0.078s, Elapsed time = 0h 0m 0.075s, Peak memory usage = 197.266MB
    Tech-Mapping Phase 3: CPU time = 0h 0m 3s, Elapsed time = 0h 0m 3s, Peak memory usage = 197.266MB
    Tech-Mapping Phase 4: CPU time = 0h 0m 0.218s, Elapsed time = 0h 0m 0.24s, Peak memory usage = 197.266MB
Generate output files:
    CPU time = 0h 0m 0.625s, Elapsed time = 0h 0m 0.637s, Peak memory usage = 214.922MB
Total Time and Memory Usage CPU time = 0h 0m 7s, Elapsed time = 0h 0m 7s, Peak memory usage = 214.922MB

Resource

Resource Usage Summary

Resource Usage
I/O Port 69
I/O Buf 69
    IBUF 35
    OBUF 34
Register 4024
    DFFRE 3655
    DFFCE 369
LUT 941
    LUT2 62
    LUT3 640
    LUT4 239
ALU 4895
    ALU 4895
INV 39
    INV 39
DSP
    MULTALU27X18 1

Resource Utilization Summary

Resource Usage Utilization
Logic 5875(980 LUT, 4895 ALU) / 23040 26%
Register 4024 / 23685 17%
  --Register as Latch 0 / 23685 0%
  --Register as FF 4024 / 23685 17%
BSRAM 0 / 56 0%

Timing

Clock Summary:

Clock Name Type Period Frequency(MHz) Rise Fall Source Master Object
clk Base 10.000 100.0 0.000 5.000 clk_ibuf/I

Max Frequency Summary:

No. Clock Name Constraint Actual Fmax Logic Level Entity
1 clk 100.000(MHz) 93.189(MHz) 8 TOP

Detail Timing Paths Information

Path 1

Path Summary:
Slack -0.731
Data Arrival Time 11.042
Data Required Time 10.311
From FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0
To FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_28_s0
Launch Clk clk[R]
Latch Clk clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 clk
0.000 0.000 tCL RR 1 clk_ibuf/I
0.000 0.000 tINS RR 4025 clk_ibuf/O
0.375 0.375 tNET RR 32 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/CLK[0]
4.478 4.103 tC2Q RF 2 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/DOUT[3]
4.828 0.350 tNET FF 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/I0
5.355 0.526 tINS FR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/F
5.730 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/I1
6.246 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/F
6.621 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/I1
7.137 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/F
7.512 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/I1
8.028 0.516 tINS RR 9 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/F
8.403 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/I0
8.930 0.526 tINS RR 3 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/F
9.305 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/I2
9.766 0.461 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/F
10.141 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n109_s1/I0
10.667 0.526 tINS RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n109_s1/F
11.042 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_28_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 clk
10.000 0.000 tCL RR 1 clk_ibuf/I
10.000 0.000 tINS RR 4025 clk_ibuf/O
10.375 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_28_s0/CLK
10.311 -0.064 tSu 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_28_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%
Arrival Data Path Delay: cell: 3.589, 33.643%; route: 2.975, 27.890%; tC2Q: 4.103, 38.467%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%

Path 2

Path Summary:
Slack -0.731
Data Arrival Time 11.042
Data Required Time 10.311
From FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0
To FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_30_s0
Launch Clk clk[R]
Latch Clk clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 clk
0.000 0.000 tCL RR 1 clk_ibuf/I
0.000 0.000 tINS RR 4025 clk_ibuf/O
0.375 0.375 tNET RR 32 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/CLK[0]
4.478 4.103 tC2Q RF 2 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/DOUT[3]
4.828 0.350 tNET FF 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/I0
5.355 0.526 tINS FR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/F
5.730 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/I1
6.246 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/F
6.621 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/I1
7.137 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/F
7.512 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/I1
8.028 0.516 tINS RR 9 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/F
8.403 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/I0
8.930 0.526 tINS RR 3 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/F
9.305 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/I2
9.766 0.461 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/F
10.141 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s1/I0
10.667 0.526 tINS RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s1/F
11.042 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_30_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 clk
10.000 0.000 tCL RR 1 clk_ibuf/I
10.000 0.000 tINS RR 4025 clk_ibuf/O
10.375 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_30_s0/CLK
10.311 -0.064 tSu 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_30_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%
Arrival Data Path Delay: cell: 3.589, 33.643%; route: 2.975, 27.890%; tC2Q: 4.103, 38.467%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%

Path 3

Path Summary:
Slack -0.721
Data Arrival Time 11.032
Data Required Time 10.311
From FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0
To FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_29_s0
Launch Clk clk[R]
Latch Clk clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 clk
0.000 0.000 tCL RR 1 clk_ibuf/I
0.000 0.000 tINS RR 4025 clk_ibuf/O
0.375 0.375 tNET RR 32 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/CLK[0]
4.478 4.103 tC2Q RF 2 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/DOUT[3]
4.828 0.350 tNET FF 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/I0
5.355 0.526 tINS FR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/F
5.730 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/I1
6.246 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/F
6.621 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/I1
7.137 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/F
7.512 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/I1
8.028 0.516 tINS RR 9 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/F
8.403 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/I0
8.930 0.526 tINS RR 3 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/F
9.305 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/I2
9.766 0.461 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/F
10.141 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n108_s1/I1
10.657 0.516 tINS RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n108_s1/F
11.032 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_29_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 clk
10.000 0.000 tCL RR 1 clk_ibuf/I
10.000 0.000 tINS RR 4025 clk_ibuf/O
10.375 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_29_s0/CLK
10.311 -0.064 tSu 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_29_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%
Arrival Data Path Delay: cell: 3.579, 33.581%; route: 2.975, 27.916%; tC2Q: 4.103, 38.503%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%

Path 4

Path Summary:
Slack -0.666
Data Arrival Time 10.977
Data Required Time 10.311
From FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0
To FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_31_s0
Launch Clk clk[R]
Latch Clk clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 clk
0.000 0.000 tCL RR 1 clk_ibuf/I
0.000 0.000 tINS RR 4025 clk_ibuf/O
0.375 0.375 tNET RR 32 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/CLK[0]
4.478 4.103 tC2Q RF 2 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/DOUT[3]
4.828 0.350 tNET FF 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/I0
5.355 0.526 tINS FR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/F
5.730 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/I1
6.246 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/F
6.621 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/I1
7.137 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/F
7.512 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/I1
8.028 0.516 tINS RR 9 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/F
8.403 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/I0
8.930 0.526 tINS RR 3 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n112_s2/F
9.305 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/I2
9.766 0.461 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n107_s2/F
10.141 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n106_s2/I2
10.602 0.461 tINS RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n106_s2/F
10.977 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_31_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 clk
10.000 0.000 tCL RR 1 clk_ibuf/I
10.000 0.000 tINS RR 4025 clk_ibuf/O
10.375 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_31_s0/CLK
10.311 -0.064 tSu 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_31_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%
Arrival Data Path Delay: cell: 3.524, 33.236%; route: 2.975, 28.061%; tC2Q: 4.103, 38.703%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%

Path 5

Path Summary:
Slack -0.532
Data Arrival Time 10.843
Data Required Time 10.311
From FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0
To FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_21_s0
Launch Clk clk[R]
Latch Clk clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 clk
0.000 0.000 tCL RR 1 clk_ibuf/I
0.000 0.000 tINS RR 4025 clk_ibuf/O
0.375 0.375 tNET RR 32 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/CLK[0]
4.478 4.103 tC2Q RF 2 FP_Natural_Logarithm_inst/fixed_exponent_in_31_s0/DOUT[3]
4.828 0.350 tNET FF 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/I0
5.355 0.526 tINS FR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n131_s2/F
5.730 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/I1
6.246 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n128_s6/F
6.621 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/I1
7.137 0.516 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n125_s6/F
7.512 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/I1
8.028 0.516 tINS RR 9 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n122_s6/F
8.403 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n117_s5/I0
8.930 0.526 tINS RR 4 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n117_s5/F
9.305 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n115_s5/I3
9.567 0.262 tINS RR 2 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n115_s5/F
9.942 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n116_s1/I0
10.468 0.526 tINS RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/n116_s1/F
10.843 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_21_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
10.000 0.000 clk
10.000 0.000 tCL RR 1 clk_ibuf/I
10.000 0.000 tINS RR 4025 clk_ibuf/O
10.375 0.375 tNET RR 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_21_s0/CLK
10.311 -0.064 tSu 1 FP_Natural_Logarithm_inst/Fixed_to_Float_inst/tempfixed_21_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 10.000
Logic Level: 8
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%
Arrival Data Path Delay: cell: 3.390, 32.383%; route: 2.975, 28.419%; tC2Q: 4.103, 39.198%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.375, 100.000%