Chapter 9
Pipeline
Online algorithms are important for modern computing. In an online algorithm, processing starts before all the input is available, and the output starts to be written before all processing is complete. In other words, computing and I/O take place concurrently. Often the input is coming from real-time sources such as keyboards, pointing devices, and sensors. Even when all the input is available, it is often on a file system, and overlapping the algorithm with input/output can yield significant improvements in performance. A pipeline is one way to achieve this overlap, not only for I/O but also for computations that are mostly parallel but require small sections of code that must be serial.
This chapter covers a simple pipeline ...
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