22Iteration | Area | Resized | Buffers | Nets repaired | Remaining
33---------------------------------------------------------------------
44 0 | +0.0% | 0 | 0 | 0 | 300
5- final | +92.5 % | 0 | 111 | 56 | 0
5+ final | +96.8 % | 0 | 83 | 56 | 0
66---------------------------------------------------------------------
77[INFO RSZ-0034] Found 51 slew violations.
88[INFO RSZ-0036] Found 56 capacitance violations.
9- [INFO RSZ-0038] Inserted 111 buffers in 56 nets.
9+ [INFO RSZ-0038] Inserted 83 buffers in 56 nets.
1010 Iter | Area | Removed | Inserted | Pins
1111 | | Buffers | Buffers | Remaining
1212-------------------------------------------------------
1313 0 | +0.0% | 0 | 0 | 100
14- 10 | +11 .3% | 30 | 40 | 90
15- 20 | +39.0 % | 50 | 76 | 80
16- 30 | +62.6 % | 68 | 109 | 70
17- 40 | +71.2 % | 86 | 136 | 60
18- 50 | +87.5 % | 99 | 162 | 50
19- 60 | +104.8 % | 108 | 185 | 40
20- 70 | +124.6 % | 108 | 203 | 30
21- 80 | +138.4 % | 108 | 218 | 20
22- 90 | +146.9 % | 108 | 227 | 10
23- final | +152.3 % | 111 | 238 | 0
14+ 10 | +21 .3% | 20 | 43 | 90
15+ 20 | +31.9 % | 38 | 79 | 80
16+ 30 | +43.3 % | 54 | 109 | 70
17+ 40 | +68.9 % | 63 | 139 | 60
18+ 50 | +91.8 % | 72 | 166 | 50
19+ 60 | +105.2 % | 81 | 189 | 40
20+ 70 | +124.5 % | 81 | 207 | 30
21+ 80 | +137.9 % | 81 | 222 | 20
22+ 90 | +146.3 % | 81 | 231 | 10
23+ final | +154.2 % | 83 | 242 | 0
2424-------------------------------------------------------
2525
2626Solution under tight timing constraint:
@@ -33,13 +33,13 @@ max slew
3333
3434Pin Limit Slew Slack
3535------------------------------------------------------------
36- i1-59 /Z 0.20 0.06 0.14 (MET)
36+ i1-79 /Z 0.20 0.06 0.14 (MET)
3737
3838max capacitance
3939
4040Pin Limit Cap Slack
4141------------------------------------------------------------
42- i1-59 /Z 60.65 28.39 32.26 (MET)
42+ i1-79 /Z 60.65 28.24 32.41 (MET)
4343
4444-------------------------------------------------------------
4545 Distance | Buffer area | Path delay | Sequence
@@ -88,10 +88,10 @@ i1-59/Z 60.65 28.39 32.26 (MET)
8888 1050.0 | 6.92 | 0.11 | BUF_X8 BUF_X8
8989 1075.0 | 6.92 | 0.12 | BUF_X8 BUF_X8
9090 1100.0 | 6.92 | 0.12 | BUF_X8 BUF_X8
91- 1125.0 | 5.32 | 0.12 | BUF_X8 BUF_X4
92- 1150.0 | 5.32 | 0.12 | BUF_X8 BUF_X4
93- 1175.0 | 5.32 | 0.13 | BUF_X8 BUF_X4
94- 1200.0 | 5.32 | 0.13 | BUF_X8 BUF_X4
91+ 1125.0 | 3.72 | 0.11 | BUF_X4 BUF_X4
92+ 1150.0 | 3.72 | 0.12 | BUF_X4 BUF_X4
93+ 1175.0 | 3.72 | 0.12 | BUF_X4 BUF_X4
94+ 1200.0 | 3.72 | 0.12 | BUF_X4 BUF_X4
9595 1225.0 | 8.78 | 0.14 | BUF_X4 BUF_X8 BUF_X8
9696 1250.0 | 8.78 | 0.14 | BUF_X4 BUF_X8 BUF_X8
9797 1275.0 | 8.78 | 0.15 | BUF_X4 BUF_X8 BUF_X8
@@ -102,35 +102,35 @@ i1-59/Z 60.65 28.39 32.26 (MET)
102102 1400.0 | 8.78 | 0.16 | BUF_X4 BUF_X8 BUF_X8
103103 1425.0 | 10.37 | 0.16 | BUF_X8 BUF_X8 BUF_X8
104104 1450.0 | 10.37 | 0.16 | BUF_X8 BUF_X8 BUF_X8
105- 1475.0 | 3.72 | 0.14 | BUF_X4 BUF_X4
106- 1500.0 | 5.59 | 0.17 | BUF_X4 BUF_X4 BUF_X4
107- 1525.0 | 5.59 | 0.17 | BUF_X4 BUF_X4 BUF_X4
108- 1550.0 | 5.59 | 0.17 | BUF_X4 BUF_X4 BUF_X4
109- 1575.0 | 5.59 | 0.17 | BUF_X4 BUF_X4 BUF_X4
110- 1600.0 | 5.59 | 0.17 | BUF_X4 BUF_X4 BUF_X4
111- 1625.0 | 5.59 | 0.17 | BUF_X4 BUF_X4 BUF_X4
112- 1650.0 | 5.59 | 0.17 | BUF_X4 BUF_X4 BUF_X4
113- 1675.0 | 5.59 | 0.18 | BUF_X4 BUF_X4 BUF_X4
114- 1700.0 | 5.59 | 0.18 | BUF_X4 BUF_X4 BUF_X4
115- 1725.0 | 5.59 | 0.18 | BUF_X4 BUF_X4 BUF_X4
116- 1750.0 | 5.59 | 0.18 | BUF_X4 BUF_X4 BUF_X4
117- 1775.0 | 5.59 | 0.18 | BUF_X4 BUF_X4 BUF_X4
118- 1800.0 | 5.59 | 0.19 | BUF_X4 BUF_X4 BUF_X4
119- 1825.0 | 5.59 | 0.19 | BUF_X4 BUF_X4 BUF_X4
105+ 1475.0 | 10.37 | 0.16 | BUF_X8 BUF_X8 BUF_X8
106+ 1500.0 | 10.37 | 0.17 | BUF_X8 BUF_X8 BUF_X8
107+ 1525.0 | 10.37 | 0.17 | BUF_X8 BUF_X8 BUF_X8
108+ 1550.0 | 10.37 | 0.17 | BUF_X8 BUF_X8 BUF_X8
109+ 1575.0 | 10.37 | 0.18 | BUF_X8 BUF_X8 BUF_X8
110+ 1600.0 | 10.37 | 0.18 | BUF_X8 BUF_X8 BUF_X8
111+ 1625.0 | 10.37 | 0.18 | BUF_X8 BUF_X8 BUF_X8
112+ 1650.0 | 10.37 | 0.19 | BUF_X8 BUF_X8 BUF_X8
113+ 1675.0 | 10.37 | 0.19 | BUF_X8 BUF_X8 BUF_X8
114+ 1700.0 | 8.78 | 0.19 | BUF_X8 BUF_X4 BUF_X8
115+ 1725.0 | 12.24 | 0.20 | BUF_X4 BUF_X8 BUF_X8 BUF_X8
116+ 1750.0 | 12.24 | 0.20 | BUF_X4 BUF_X8 BUF_X8 BUF_X8
117+ 1775.0 | 12.24 | 0.21 | BUF_X4 BUF_X8 BUF_X8 BUF_X8
118+ 1800.0 | 12.24 | 0.21 | BUF_X4 BUF_X8 BUF_X8 BUF_X8
119+ 1825.0 | 12.24 | 0.21 | BUF_X4 BUF_X8 BUF_X8 BUF_X8
120120 1850.0 | 5.59 | 0.19 | BUF_X4 BUF_X4 BUF_X4
121- 1875.0 | 12.24 | 0.22 | BUF_X4 BUF_X8 BUF_X8 BUF_X8
122- 1900.0 | 12.24 | 0.22 | BUF_X4 BUF_X8 BUF_X8 BUF_X8
123- 1925.0 | 13.83 | 0.22 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
124- 1950.0 | 13.83 | 0.22 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
125- 1975.0 | 13.83 | 0.22 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
126- 2000.0 | 13.83 | 0.23 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
127- 2025.0 | 13.83 | 0.23 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
128- 2050.0 | 13.83 | 0.23 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
129- 2075.0 | 13.83 | 0.24 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
130- 2100.0 | 13.83 | 0.24 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
131- 2125.0 | 13.83 | 0.25 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
132- 2150.0 | 13.83 | 0.25 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
133- 2175.0 | 13.83 | 0.25 | BUF_X8 BUF_X8 BUF_X8 BUF_X8
121+ 1875.0 | 5.59 | 0.19 | BUF_X4 BUF_X4 BUF_X4
122+ 1900.0 | 5.59 | 0.19 | BUF_X4 BUF_X4 BUF_X4
123+ 1925.0 | 5.59 | 0.20 | BUF_X4 BUF_X4 BUF_X4
124+ 1950.0 | 5.59 | 0.20 | BUF_X4 BUF_X4 BUF_X4
125+ 1975.0 | 5.59 | 0.20 | BUF_X4 BUF_X4 BUF_X4
126+ 2000.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
127+ 2025.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
128+ 2050.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
129+ 2075.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
130+ 2100.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
131+ 2125.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
132+ 2150.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
133+ 2175.0 | 7.45 | 0.23 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
134134 2200.0 | 7.45 | 0.24 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
135135 2225.0 | 7.45 | 0.24 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
136136 2250.0 | 7.45 | 0.24 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
@@ -140,25 +140,25 @@ i1-59/Z 60.65 28.39 32.26 (MET)
140140 2350.0 | 7.45 | 0.25 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
141141 2375.0 | 7.45 | 0.25 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
142142 2400.0 | 7.45 | 0.25 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
143- 2425.0 | 7.45 | 0.25 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
144- 2450.0 | 7.45 | 0.26 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
145- 2475.0 | 7.45 | 0.26 | BUF_X4 BUF_X4 BUF_X4 BUF_X4
146- 2500.0 | 9.31 | 0.29 | BUF_X4 BUF_X4 BUF_X4 BUF_X4 BUF_X4
143+ 2425.0 | 17.29 | 0.28 | BUF_X8 BUF_X8 BUF_X8 BUF_X8 BUF_X8
144+ 2450.0 | 17.29 | 0.28 | BUF_X8 BUF_X8 BUF_X8 BUF_X8 BUF_X8
145+ 2475.0 | 17.29 | 0.29 | BUF_X8 BUF_X8 BUF_X8 BUF_X8 BUF_X8
146+ 2500.0 | 17.29 | 0.29 | BUF_X8 BUF_X8 BUF_X8 BUF_X8 BUF_X8
147147-------------------------------------------------------------
148148 Iter | Area | Removed | Inserted | Pins
149149 | | Buffers | Buffers | Remaining
150150-------------------------------------------------------
151151 0 | +0.0% | 0 | 0 | 100
152- 10 | -5.0 % | 40 | 40 | 90
153- 20 | -15.7 % | 76 | 76 | 80
154- 30 | -25.4 % | 109 | 103 | 70
155- 40 | -29.1 % | 136 | 130 | 60
156- 50 | -35 .7% | 162 | 150 | 50
157- 60 | -42.3 % | 185 | 168 | 40
158- 70 | -48.8 % | 203 | 181 | 30
159- 80 | -53.3 % | 218 | 190 | 20
160- 90 | -56.1 % | 227 | 196 | 10
161- final | -58.3 % | 238 | 200 | 0
152+ 10 | -8.8 % | 43 | 40 | 90
153+ 20 | -13.6 % | 79 | 76 | 80
154+ 30 | -19.1 % | 109 | 103 | 70
155+ 40 | -28.6 % | 139 | 130 | 60
156+ 50 | -37 .7% | 166 | 150 | 50
157+ 60 | -43.2 % | 189 | 168 | 40
158+ 70 | -49.5 % | 207 | 181 | 30
159+ 80 | -53.9 % | 222 | 190 | 20
160+ 90 | -56.6 % | 231 | 196 | 10
161+ final | -59.8 % | 242 | 200 | 0
162162-------------------------------------------------------
163163
164164Solution with relaxed timing:
@@ -171,13 +171,13 @@ max slew
171171
172172Pin Limit Slew Slack
173173------------------------------------------------------------
174- place361 /Z 0.20 0.06 0.14 (MET)
174+ place337 /Z 0.20 0.06 0.14 (MET)
175175
176176max capacitance
177177
178178Pin Limit Cap Slack
179179------------------------------------------------------------
180- place361 /Z 60.65 27.72 32.93 (MET)
180+ place337 /Z 60.65 27.72 32.93 (MET)
181181
182182-------------------------------------------------------------
183183 Distance | Buffer area | Path delay | Sequence
@@ -278,8 +278,8 @@ place361/Z 60.65 27.72 32.93 (MET)
278278 2350.0 | 3.46 | 0.41 | BUF_X1 BUF_X1 BUF_X1 BUF_X2
279279 2375.0 | 3.46 | 0.42 | BUF_X1 BUF_X1 BUF_X1 BUF_X2
280280 2400.0 | 4.26 | 0.40 | BUF_X1 BUF_X1 BUF_X1 BUF_X4
281- 2425.0 | 4.26 | 0.40 | BUF_X1 BUF_X1 BUF_X1 BUF_X4
282- 2450.0 | 3.72 | 0.39 | BUF_X1 BUF_X1 BUF_X2 BUF_X2
283- 2475.0 | 3.72 | 0.39 | BUF_X2 BUF_X2 BUF_X1 BUF_X1
281+ 2425.0 | 3.19 | 0.46 | BUF_X1 BUF_X1 BUF_X1 BUF_X1
282+ 2450.0 | 3.19 | 0.46 | BUF_X1 BUF_X1 BUF_X1 BUF_X1
283+ 2475.0 | 3.19 | 0.46 | BUF_X1 BUF_X1 BUF_X1 BUF_X1
284284 2500.0 | 3.19 | 0.46 | BUF_X1 BUF_X1 BUF_X1 BUF_X1
285285-------------------------------------------------------------
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