Contents

1 Introduction
2 Overview of Alpha Family
3 Linux Performance Analysis Tools
	3.1 Accurately Measuring Time
	3.2 Performance Counters
	3.3 GNU gprof
4 Optimization Techniques: Making Your Applications Fly
	4.1 Avoiding Integer Division
	4.2 Keeping the Translation Lookaside Buffer in Mind
	4.3 Avoiding Memory Accesses
	4.4 Lending gcc a Hand: Separating Loads/Stores from Computation
	4.5 Improving the Memory Access Pattern
	4.6 Data-parallel Processing: MPEG Core Loop
5 Conclusions