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------------- normal 3T ---------------
yosys> stat -liberty ./nem_liberty/nem_basic_yosys.lib
14. Printing statistics.
=== c880_nem ===
Number of wires: 328
Number of wire bits: 328
Number of public wires: 86
Number of public wire bits: 86
Number of ports: 86
Number of port bits: 86
Number of memories: 0
Number of memory bits: 0
Number of processes: 0
Number of cells: 268
and_3T 30
inv_3T 14
nand_3T 119
nor_3T 77
or_3T 2
xnor_3T 13
xor_3T 13
Chip area for module '\c880_nem': 900000.000000
of which used for sequential elements: 0.000000 (0.00%)
------------- 4T ---------------
yosys> stat -liberty ./nem_liberty/nem_basic_yosys_extended.lib
14. Printing statistics.
=== c880_nem ===
Number of wires: 316
Number of wire bits: 316
Number of public wires: 86
Number of public wire bits: 86
Number of ports: 86
Number of port bits: 86
Number of memories: 0
Number of memory bits: 0
Number of processes: 0
Number of cells: 256
and_4T 120
and_not_4T 13
inv_3T 2
nand_4T 1
or_4T 82
or_not_4T 5
xnor_4T 12
xor_4T 21
Chip area for module '\c880_nem': 368912.000000
of which used for sequential elements: 0.000000 (0.00%)
------------- Muxig ---------------
16. Printing statistics.
=== c880_nem ===
Number of wires: 556
Number of wire bits: 556
Number of public wires: 86
Number of public wire bits: 86
Number of ports: 86
Number of port bits: 86
Number of memories: 0
Number of memory bits: 0
Number of processes: 0
Number of cells: 496
inv_3T 169
mux_4T 327
Chip area for module '\c880_nem': 617216.000000
of which used for sequential elements: 0.000000 (0.00%)
------------- Stats ---------------
Area 3T: 900000.000000
Area 4T: 368912.000000
Ratio 4T->3T: .40990222222222222222%
Area MUX: 617216.000000
Ratio MUX->3T: .68579555555555555555%

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