Novel Aspects of IEEE SA P3109 Arithmetic Formats for Machine Learning
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Computer Science > Machine Learning
Title:Novel Aspects of IEEE SA P3109 Arithmetic Formats for Machine Learning
Abstract:The IEEE P3109 draft standard defines a parameterized family of binary floating-point formats and associated operations, with a focus on facilitating machine learning. These formats allow efficient and consistent representation of values in a small number of bits. The defined formats are parameterized over width and precision in bits, signedness, and the presence of infinities. Operations are defined by decoding floating-point values to the set of closed extended reals: the reals augmented with positive and negative infinity and NaN (Not a Number). Explicit treatment of NaN and infinite operands ensures that only real arithmetic is invoked in operation definitions. Extensive rounding and saturation modes are defined; stochastic rounding is included. Operations are exception-free, accelerating throughput, with exceptional situations communicated through return values, e.g., NaN. Operations on blocks of values sharing a common scale factor are defined in terms of the underlying operations in a uniform manner. System vendors may describe approximate implementations via a novel scale-invariant measure, akin to units in the last place, called kappa-approximation. Standard function definitions and various other properties are mechanically verified and generated using formal specifications.
| Subjects: | Machine Learning (cs.LG) |
| Cite as: | arXiv:2606.04028 [cs.LG] |
| (or arXiv:2606.04028v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2606.04028
arXiv-issued DOI via DataCite
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Submission history
From: Christoph M. Wintersteiger [view email][v1] Mon, 1 Jun 2026 19:27:39 UTC (24 KB)
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