Optimising Code - Computerphile
Computerphile
19 min, 43 sec
The video provides a detailed guide on the topic of optimization in computer science, focusing on optimizing code for speed, memory usage, and power usage.
Summary
- The speaker defines optimization in the context of coding as the process of making the code the most efficient.
- The speaker emphasizes the need to first determine what aspect they are trying to optimize - speed, memory usage, or power usage.
- The speaker advises against premature optimization and suggests writing a working program first and then using tools to examine which parts might need optimization.
- The speaker discusses various techniques for code optimization, including using the right algorithm, knowing your CPU, and loop unrolling.
Chapter 1
The speaker provides an introduction to the concept of optimization in the context of coding.
- The speaker defines optimization in the context of coding as making your code the most efficient.
- The speaker emphasizes the need to determine what aspect they are trying to optimize before starting the optimization process.
- The speaker mentions that the first step in writing software is to get a version that works, not to immediately jump into optimization.
Chapter 2
The speaker discusses various techniques that can be used to optimize code.
- The speaker describes several techniques for optimization, including using the right algorithm, knowing your CPU, and loop unrolling.
- The speaker warns against premature optimization and advises to write a working program first and then use tools to examine which parts might need optimization.
- The speaker emphasizes that knowing how your program works is essential to effective optimization.
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