C++ High Performance

Performance properties

Before you start measuring, you must know what performance properties are important for the application you are writing. In this section, we will explain some of the frequently-used terms when measuring performance. Depending on the application you are writing, some of the properties are more relevant than others. For example, throughput might be a more important property than latency if you are writing an online image converter service, whereas latency is key when writing interactive applications with real-time requirements:

• Latency/response time: Depending on the domain, latency and response time might have very precise and different meanings. However, in this book, we mean the time between the request and the response ...