by Alan Green - These checklists are a tool for helping you focus attention on the critical aspects of your project at the different stages of its lifecycle.
Target the parts of your applications that take the most time, by Martyn Honeyford "Improving the performance of your applications is rarely a wasted effort, but it's not always clear which functions the program is spending most of its execution time on. Learn how to pinpoint performance bottlenecks using gprof for both user-space and system calls on Linux®."