Techniques based on measurements and models, for predicting and evaluating the performance of computer systems. Instrumentation. Simple queueing models and approximations. Techniques for modifying software designs to improve performance. Prerequisite(s): STAT 3502, and (SYSC 3001 or SYSC 4001).Also offered at the graduate level, with different requirements, as SYSC 5101, for which additional credit is precluded.Lectures three hours a week, laboratory/problem analysis three hours alternate weeks.