Cache line and size effects 30 Cache miss cost and hit rates for different machines 33 References 36

7 Windows and Graphics 37

8 Disk 39

The SCSI disk tuning performed for SunOS 4.1.1 39 Throughput of various common disks 40 Effect of disk controller, SCSI, SMD, IPI 42 Load Monitoring and Balancing 44 Mirrored Disks 45

9 CPU 47

Architecture and Implementation 47 The effect of register windows and different SPARC CPU?s 48 How many cycles each instruction takes 50

10 Network 53

The network throughput tuning performed for SunOS 4.1 53 Different ethernet interfaces and how they compare 53 Using NFS effectively 55

Appendix A References 57