Engineering Change Orders Design Using Multiple Variables Linear Programming for VLSI Design

Table 1

ECO methods comparison.

Method	Traditional ECO	Proposed method
Cell resource prediction	Constraint based	Multiple variables linear programming
Predictive precision of patching logic number	Normal precision	High precision
Balance between spare cells and target cells	Low balance	High balance
Restriction rule	Not define	Define
Resource optimization	Not define	Define
Solution boundary	Not define	Define