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[Editor's note: Part 2 shows how to optimize DSP kernels (i.e., inner loops), and how to write fast floating-point and fractional code. Part 4 explains why it is important to optimize “control code,” ...

Programming requires a varied skill set, from low-level coding to high-level tasks like communication. The following tips have helped me to improve over the course of my programming career. Beginners ...

Depends. Is it Apollo-era code that's running on your Mars lander? I'd leave it alone. Is it 10 year old code written for a 128MB Pentium 2 and it's not medical software? I'd probably have a poke at ...