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Add batch 1 (YosysHQ_picorv32, alexforencich_verilog-ethernet, The-OpenROAD-Project_OpenROAD, darklife_darkriscv, corundum_corundum)
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[INFO ODB-0227] LEF file: Nangate45/Nangate45_tech.lef, created 22 layers, 27 vias
[INFO ODB-0227] LEF file: Nangate45/Nangate45_stdcell.lef, created 135 library cells
[INFO ODB-0227] LEF file: array_tile.lef, created 1 library cells
[INFO IFP-0001] Added 3528 rows of 26000 site FreePDK45_38x28_10R_NP_162NW_34O.
[INFO IFP-0100] Die BBox: ( 0.000 0.000 ) ( 4940.000 4940.000 ) um
[INFO IFP-0101] Core BBox: ( 0.000 0.000 ) ( 4940.000 4939.200 ) um
[INFO IFP-0102] Core area: 24399648.000 um^2
[INFO IFP-0103] Total instances area: 20260174.500 um^2
[INFO IFP-0104] Effective utilization: 0.830
[INFO IFP-0105] Number of instances: 2475
[INFO CTS-0050] Root buffer is BUF_X4.
[INFO CTS-0051] Sink buffer is BUF_X4.
[INFO CTS-0052] The following clock buffers will be used for CTS:
BUF_X4
[INFO CTS-0049] Characterization buffer is BUF_X4.
[INFO CTS-0007] Net "clk" found for clock "clk".
[INFO CTS-0011] Clock net "clk" for macros has 225 sinks.
[INFO CTS-0011] Clock net "clk_regs" for registers has 2250 sinks.
[INFO CTS-0008] TritonCTS found 2 clock nets.
[INFO CTS-0097] Characterization used 1 buffer(s) types.
[INFO CTS-0201] 225 blockages from hard placement blockages and placed macros will be used.
[INFO CTS-0027] Generating H-Tree topology for net clk.
[INFO CTS-0028] Total number of sinks: 225.
[INFO CTS-0029] Macro sinks will be clustered in groups of up to 4 and with maximum cluster diameter of 600.0 um.
[INFO CTS-0030] Number of static layers: 0.
[INFO CTS-0020] Wire segment unit: 14000 dbu (7 um).
[INFO CTS-0204] A clustering solution was found from clustering size of 4 and clustering diameter of 600.
[INFO CTS-0205] Better solution may be possible if either -sink_clustering_size, -sink_clustering_max_diameter, or both options are omitted to enable automatic clustering.
[INFO CTS-0019] Total number of sinks after clustering: 120.
[INFO CTS-0024] Normalized sink region: [(1.23857, 44.2857), (661.239, 680.704)].
[INFO CTS-0025] Width: 660.0000.
[INFO CTS-0026] Height: 636.4186.
Level 1
Direction: Horizontal
Sinks per sub-region: 60
Sub-region size: 330.0000 X 636.4186
[INFO CTS-0034] Segment length (rounded): 166.
Level 2
Direction: Vertical
Sinks per sub-region: 30
Sub-region size: 330.0000 X 318.2093
[INFO CTS-0034] Segment length (rounded): 160.
Level 3
Direction: Horizontal
Sinks per sub-region: 15
Sub-region size: 165.0000 X 318.2093
[INFO CTS-0034] Segment length (rounded): 82.
Level 4
Direction: Vertical
Sinks per sub-region: 8
Sub-region size: 165.0000 X 159.1046
[INFO CTS-0034] Segment length (rounded): 80.
Level 5
Direction: Horizontal
Sinks per sub-region: 4
Sub-region size: 82.5000 X 159.1046
[INFO CTS-0034] Segment length (rounded): 42.
Level 6
Direction: Vertical
Sinks per sub-region: 2
Sub-region size: 82.5000 X 79.5523
[INFO CTS-0034] Segment length (rounded): 40.
Level 7
Direction: Horizontal
Sinks per sub-region: 1
Sub-region size: 41.2500 X 79.5523
[INFO CTS-0034] Segment length (rounded): 20.
[INFO CTS-0038] Stop criterion found. Sink region hpwl is smaller than max wirelength (692.813 um) and max number of sinks is 15.
[INFO CTS-0035] Number of sinks covered: 120.
[INFO CTS-0201] 225 blockages from hard placement blockages and placed macros will be used.
[INFO CTS-0027] Generating H-Tree topology for net clk_regs.
[INFO CTS-0028] Total number of sinks: 2250.
[INFO CTS-0059] Register sinks will be clustered with maximum cluster diameter of 100.0 um and based on buffer max cap.
[INFO CTS-0030] Number of static layers: 0.
[INFO CTS-0020] Wire segment unit: 14000 dbu (7 um).
[INFO CTS-0204] A clustering solution was found from max clustering size of 20 and clustering diameter of 100.
[INFO CTS-0205] Better solution may be possible if either -sink_clustering_size, -sink_clustering_max_diameter, or both options are omitted to enable automatic clustering.
[INFO CTS-0019] Total number of sinks after clustering: 136.
[INFO CTS-0024] Normalized sink region: [(189.626, 2.41643), (661.055, 670.416)].
[INFO CTS-0025] Width: 471.4286.
[INFO CTS-0026] Height: 668.0000.
Level 1
Direction: Vertical
Sinks per sub-region: 68
Sub-region size: 471.4286 X 334.0000
[INFO CTS-0034] Segment length (rounded): 166.
Level 2
Direction: Horizontal
Sinks per sub-region: 34
Sub-region size: 235.7143 X 334.0000
[INFO CTS-0034] Segment length (rounded): 118.
Level 3
Direction: Vertical
Sinks per sub-region: 17
Sub-region size: 235.7143 X 167.0000
[INFO CTS-0034] Segment length (rounded): 84.
Level 4
Direction: Horizontal
Sinks per sub-region: 9
Sub-region size: 117.8572 X 167.0000
[INFO CTS-0034] Segment length (rounded): 58.
Level 5
Direction: Vertical
Sinks per sub-region: 5
Sub-region size: 117.8572 X 83.5000
[INFO CTS-0034] Segment length (rounded): 42.
Level 6
Direction: Horizontal
Sinks per sub-region: 3
Sub-region size: 58.9286 X 83.5000
[INFO CTS-0034] Segment length (rounded): 30.
Level 7
Direction: Vertical
Sinks per sub-region: 2
Sub-region size: 58.9286 X 41.7500
[INFO CTS-0034] Segment length (rounded): 20.
[INFO CTS-0038] Stop criterion found. Sink region hpwl is smaller than max wirelength (692.813 um) and max number of sinks is 15.
[INFO CTS-0035] Number of sinks covered: 136.
[INFO CTS-0018] Created 453 clock buffers.
[INFO CTS-0012] Minimum number of buffers in the clock path: 21.
[INFO CTS-0013] Maximum number of buffers in the clock path: 21.
[INFO CTS-0015] Created 453 clock nets.
[INFO CTS-0016] Fanout distribution for the current clock = 1:131, 2:107..
[INFO CTS-0017] Max level of the clock tree: 7.
[INFO CTS-0018] Created 453 clock buffers.
[INFO CTS-0012] Minimum number of buffers in the clock path: 19.
[INFO CTS-0013] Maximum number of buffers in the clock path: 19.
[INFO CTS-0015] Created 453 clock nets.
[INFO CTS-0016] Fanout distribution for the current clock = 1:93, 2:20, 3:1, 5:2, 10:44, 20:90..
[INFO CTS-0017] Max level of the clock tree: 7.
[INFO CTS-0098] Clock net "clk"
[INFO CTS-0099] Sinks 225
[INFO CTS-0100] Leaf buffers 120
[INFO CTS-0101] Average sink wire length 9787.62 um
[INFO CTS-0102] Path depth 21 - 21
[INFO CTS-0207] Dummy loads inserted 12
[INFO CTS-0098] Clock net "clk_regs"
[INFO CTS-0099] Sinks 2290
[INFO CTS-0100] Leaf buffers 136
[INFO CTS-0101] Average sink wire length 4225.23 um
[INFO CTS-0102] Path depth 17 - 19
[INFO CTS-0207] Dummy loads inserted 40
[INFO CTS-0033] Balancing latency for clock clk
[INFO CTS-0036] inserted 0 delay buffers
[INFO RSZ-0058] Using max wire length 693um.
[INFO RSZ-0047] Found 58 long wires.
[INFO RSZ-0048] Inserted 78 buffers in 58 nets.
Clock clk
1.18 source latency inst_12_11/clk ^
-1.24 target latency inst_13_11/clk ^
0.00 CRPR
--------------
-0.06 setup skew