PROMISE: Floating-point Autotuning with Customized Precisions
Résumé
Achieving optimal performance in numerical computations often hinges on aggressively quantizing arithmetic and data to low-precision formats or rigorous rounding error analysis to retain numerical accuracy. The PROMISE (PRecision OptiMISE) software provides a task-specific validation using CADNA (https://cadna.lip6.fr) for automated precision tuning, enabling a balance between computational efficiency and numerical fidelity. Here, we advance PROMISE with customized precision formats to examine the low-precision potential in a suite of numerical algorithms for performance gains, offering actionable insights into selecting optimal precision levels for diverse algorithms.
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