CoCD converts stale gradients into stable descent directions through coherent coordinate updates equivalent to BCCD with warm starts, enabling O(1) queries per step plus implicit landscape smoothing from larger finite-difference steps.
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Turning Stale Gradients into Stable Gradients: Coherent Coordinate Descent with Implicit Landscape Smoothing for Lightweight Zeroth-Order Optimization
CoCD converts stale gradients into stable descent directions through coherent coordinate updates equivalent to BCCD with warm starts, enabling O(1) queries per step plus implicit landscape smoothing from larger finite-difference steps.