Performance Scalability Models This is some software to aid performance scalability analysis. It includes: linear.g Linear scalability model amdahl.g Amdahl's law scalability usl.g Universal Scalabitily Law scale.r Scalability Models (Amdahl, USL) util-md1.r Queueing Theory M/D/1 mean response time vs util data.txt Sample input file for scalability modeling da/ Distribution Analysis There are more projects rather than stand-alone tools; expect to customize them for each system you are modeling, and these assume you already understand performance scalability analysis.