## Early Resynthesys Tool

"Early" is a resynthesis tool which takes in a dual rail circuit and reports on its early output properties. It can also generate the "early output perfect" circuit.### Download

Version 0.1 source### Usage

early [-/+ options] "Equation" -/+ h Help -/+ e Print out perfect early equations [off] -/+ p Calculate perfect circuit [on] -/+ c Calculate given circuit [on] -/+ 1 Print spreadsheet 1 data [off] -/+ 2 Print spreadsheet 2 data [off] -/+ v Print progress %

#### Equation Operators:

AND : "." "&"OR : "+" "|"

XOR : "^"

EQU : "="

e.g.

"a.~s+b.s"

"S1 = FF1.C^LD1.LD0^(FF0.C^LD1.LD0.LD2) S0 = FF0.C^LD1.LD0^LD2 SB0 = ~S1.~S2 SB0.(LD1+LD0)+(S0.~S1)^(LD2.~SB0)"

#### Example Operation:

> ./early +e "~S2.(~S1.~S0.I0+S0.~S1.I1+~S0.S1.I2+S0.S1.I3)+(~S0.~S1.I4+S0.~S1.I5+~S0.S1.I6+S0.S1.I7).S2" Parsed 90 characters Unparsed: ~S2.(~S1.~S0.I0+S0.~S1.I1+~S0.S1.I2+S0.S1.I3)+(~S0.~S1.I4+S0.~S1.I5+~S0.S1.I6+S0.S1.I7).S2; ^ Found 11 inputs 11 of 11 present, of the 2048 combinations there are 2048 early outputs(100.00%) out of a possible 2048 (100.00%) 10 of 11 present, of the 11264 combinations there are 7936 early outputs(70.45%) out of a possible 8704 (77.27%) 9 of 11 present, of the 28160 combinations there are 13152 early outputs(46.70%) out of a possible 15552 (55.23%) 8 of 11 present, of the 42240 combinations there are 12033 early outputs(28.49%) out of a possible 15106 (35.76%) 7 of 11 present, of the 42240 combinations there are 6544 early outputs(15.49%) out of a possible 8608 (20.38%) 6 of 11 present, of the 29568 combinations there are 2112 early outputs(7.14%) out of a possible 2880 (9.74%) 5 of 11 present, of the 14784 combinations there are 374 early outputs(2.53%) out of a possible 524 (3.54%) 4 of 11 present, of the 5280 combinations there are 28 early outputs(0.53%) out of a possible 40 (0.76%) 3 of 11 present, of the 1320 combinations there are 0 early outputs(0.00%) out of a possible 0 (0.00%) 2 of 11 present, of the 220 combinations there are 0 early outputs(0.00%) out of a possible 0 (0.00%) 1 of 11 present, of the 22 combinations there are 0 early outputs(0.00%) out of a possible 0 (0.00%) 0 of 11 present, of the 1 combinations there are 0 early outputs(0.00%) out of a possible 0 (0.00%) Circuit average inputs needed:9.29 (84.42%) Perfect average inputs needed:8.97 (81.57%) S2 S1 S0 I0 I1 I2 I3 I4 I5 I6 I7 = Values x x x 0 0 0 0 0 0 0 0 => 0 x x 0 0 x 0 x 0 x 0 x => 0 x x 1 x 0 x 0 x 0 x 0 => 0 x 0 x 0 0 x x 0 0 x x => 0 x 0 0 0 x x x 0 x x x => 0 x 0 1 x 0 x x x 0 x x => 0 x 1 x x x 0 0 x x 0 0 => 0 x 1 0 x x 0 x x x 0 x => 0 x 1 1 x x x 0 x x x 0 => 0 0 x x 0 0 0 0 x x x x => 0 0 x 0 0 x 0 x x x x x => 0 0 x 1 x 0 x 0 x x x x => 0 0 0 x 0 0 x x x x x x => 0 0 0 0 0 x x x x x x x => 0 0 0 1 x 0 x x x x x x => 0 0 1 x x x 0 0 x x x x => 0 0 1 0 x x 0 x x x x x => 0 0 1 1 x x x 0 x x x x => 0 1 x x x x x x 0 0 0 0 => 0 1 x 0 x x x x 0 x 0 x => 0 1 x 1 x x x x x 0 x 0 => 0 1 0 x x x x x 0 0 x x => 0 1 0 0 x x x x 0 x x x => 0 1 0 1 x x x x x 0 x x => 0 1 1 x x x x x x x 0 0 => 0 1 1 0 x x x x x x 0 x => 0 1 1 1 x x x x x x x 0 => 0 x x x 1 1 1 1 1 1 1 1 => 1 Uncaught x x 0 1 x 1 x 1 x 1 x => 1 Uncaught x x 1 x 1 x 1 x 1 x 1 => 1 Uncaught x 0 x 1 1 x x 1 1 x x => 1 Uncaught x 0 0 1 x x x 1 x x x => 1 Uncaught x 0 1 x 1 x x x 1 x x => 1 Uncaught x 1 x x x 1 1 x x 1 1 => 1 Uncaught x 1 0 x x 1 x x x 1 x => 1 Uncaught x 1 1 x x x 1 x x x 1 => 1 Uncaught 0 x x 1 1 1 1 x x x x => 1 Uncaught 0 x 0 1 x 1 x x x x x => 1 Uncaught 0 x 1 x 1 x 1 x x x x => 1 Uncaught 0 0 x 1 1 x x x x x x => 1 Uncaught 0 0 0 1 x x x x x x x => 1 0 0 1 x 1 x x x x x x => 1 0 1 x x x 1 1 x x x x => 1 Uncaught 0 1 0 x x 1 x x x x x => 1 0 1 1 x x x 1 x x x x => 1 1 x x x x x x 1 1 1 1 => 1 Uncaught 1 x 0 x x x x 1 x 1 x => 1 Uncaught 1 x 1 x x x x x 1 x 1 => 1 Uncaught 1 0 x x x x x 1 1 x x => 1 Uncaught 1 0 0 x x x x 1 x x x => 1 1 0 1 x x x x x 1 x x => 1 1 1 x x x x x x x 1 1 => 1 Uncaught 1 1 0 x x x x x x 1 x => 1 1 1 1 x x x x x x x 1 => 1 0 minterms with 0 care inputs 0 minterms with 1 care inputs 0 minterms with 2 care inputs 0 minterms with 3 care inputs 40 minterms with 4 care inputs 12 minterms with 5 care inputs 0 minterms with 6 care inputs 0 minterms with 7 care inputs 2 minterms with 8 care inputs 0 minterms with 9 care inputs 0 minterms with 10 care inputs 0 minterms with 11 care inputs Average of 4.370370/11 care inputs per minterm