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Convex Optimization: A Primer

Convex optimization addresses problems where the objective function and the constraints are convex. This ensures that any local minimum is also a global minimum, providing strong guarantees of solution optimality. Its clear structure makes it widely useful in fields like machine learning, economics, and engineering, where robust and efficient identification of optimal solutions is crucial.

can CPU GPU utilization for a given program be framed as convex optimization ?

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Applying Convex Optimization to CPU and GPU Utilization

It is possible to frame CPU and GPU utilization as a convex optimization problem if the performance metrics and constraints can be expressed as convex functions. In such cases, resource allocation decisions can be optimized to achieve a globally optimal solution, ensuring robust and efficient performance tuning. However, practical challenges may arise due to nonconvex aspects like discrete scheduling and nonlinear interactions between components. In such instances, approximations or alternative approaches are often necessary to leverage the benefits of convex optimization in modeling and solution strategies.

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Applying Convex Optimization to CPU and GPU Utilization

It is possible to frame CPU/GPU utilization as a convex optimization problem if the performance metrics and constraints can be modeled with convex functions. For instance, if the relationship between resource allocation and performance is smooth and convex (or can be approximated as such) and any decision variables can be relaxed into a convex set, then one can leverage convex optimization techniques to achieve global optimality. However, many real-world scenarios involve nonconvexities—such as discrete scheduling decisions or nonlinear performance interactions—that may require approximations or alternative optimization methods.