Just say "no" to parallelism

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Feature article at HPCwire with a great title, “HPC@Intel: When to Say No to Parallelism.”

As a software developer, you are faced with a range of options as you decide whether and how to modify your applications for parallel architectures. What approach should you adopt? How significantly should you alter applications? When should you say “no” to parallelism? Answering these questions requires not only technical expertise but also strategic thinking that evaluates the business benefits and costs. As you weigh your options, consider the suggestions below, which we’ve derived from our experiences at Intel working with software developers to optimize code.