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In this section we discuss aspects of parallelism in the iterative methods discussed in this book.

Since the iterative methods share most of their computational kernels we will discuss these independent of the method. The basic time-consuming kernels of iterative schemes are:

We will examine each of these in turn. We will conclude this section by discussing two particular issues, namely computational wavefronts in the SOR method, and block operations in the GMRES method.