"><h2><a href="#FormulateTheGraphProcessingPipelineProblem">Formulate the Graph Processing Pipeline Problem</a></h2><p>Given a directed acyclic graph (DAG), where each node encapsulates a sequence of linearly dependent tasks, namely <em>stage tasks</em>, and each edge represents a dependency between two tasks at the same stages of adjacent nodes. For example, assuming <code>fi(u)</code> represents the <code>i</code><sup>th</sup>-stage task of node <code>u</code>, a dependency from <code>u</code> to <code>v<