------------- normal 3T --------------- yosys> stat -liberty ./nem_liberty/nem_basic_yosys.lib 14. Printing statistics. === s38584_nem === Number of wires: 12122 Number of wire bits: 12122 Number of public wires: 3793 Number of public wire bits: 3793 Number of ports: 343 Number of port bits: 343 Number of memories: 0 Number of memory bits: 0 Number of processes: 0 Number of cells: 11997 $scopeinfo 1426 D_FF 1423 and_3T 461 buf_3T 7 inv_3T 437 mux_4T 640 nand_3T 4235 nor_3T 2742 or_3T 470 xnor_3T 56 xor_3T 100 Area for cell type $scopeinfo is unknown! Chip area for module '\s38584_nem': 55924648.000000 of which used for sequential elements: 28539688.000000 (51.03%) ------------- 4T --------------- yosys> stat -liberty ./nem_liberty/nem_basic_yosys_extended.lib 14. Printing statistics. === s38584_nem === Number of wires: 11740 Number of wire bits: 11740 Number of public wires: 3793 Number of public wire bits: 3793 Number of ports: 343 Number of port bits: 343 Number of memories: 0 Number of memory bits: 0 Number of processes: 0 Number of cells: 11615 $scopeinfo 1426 D_FF 1423 and_4T 2838 and_not_4T 1473 buf_3T 7 inv_3T 78 mux_4T 635 nand_4T 32 nor_3T 4 or_4T 2537 or_not_4T 1001 xnor_4T 51 xor_4T 110 Area for cell type $scopeinfo is unknown! Chip area for module '\s38584_nem': 40057032.000000 of which used for sequential elements: 28539688.000000 (71.25%) ------------- Muxig --------------- ------------- Stats --------------- Area 3T: 55924648.000000 Area 4T: 40057032.000000 Ratio 4T->3T: .71626793252234685500% Area MUX: Ratio MUX->3T: %