1. Introduction

2. Scope and Audience 

3. Why Improve performance

4. Caveats

5. Compiler Optimisation flags
	5a. -O0
	5b. -O1
	5c. -O2
	5d. -O3
	5e. -Os

6. How to measure performance ? What is profiling ?
	6a. gettimeofday
	6b. Profiling tools
	6C. Code Instrumentation
	
7. Type of processes
	7a. CPU Bound Processes
	7b. I/O Bound Processes

8. Basic System wide tools for measuring performance
	8a. ps,top
	8b. sar, vmstat, iostat, meminfo
	8c. /proc files

9. Profiling based on Time
	9a. Time graphs
	9b. Call graphs

10. Profiling based on CPU Statitics.
	10a. Perfsuite

11. Disk I/o Bottlenecks

12. Network I/O Bottlenecks

13. Making use of cache Hierarchies.

14 Strategies for improving code.

15. Code Samples (real life optimisations)