Automated Floating-Point Precision Tuning: Progress, Challenges, and Future Opportunities

Managing the delicate balance between numerical accuracy and computational performance remains a significant hurdle in high-performance computing and scientific software development. While developers often default to highest-precision formats to ensure reliability, this practice frequently results in substantial overhead in execution time, memory bandwidth, and energy consumption. This talk provides an overview of the evolution of automated precision tuning, tracing the transition from early search-based methods to modern approaches. We will examine the core technical challenges of navigating massive search spaces and the practical complexities of applying these techniques to large-scale, real-world scientific models. The session will conclude by highlighting emerging opportunities in the field.