Proceedings of the 17th Annual International Conference on Supercomputing 2003
DOI: 10.1145/782814.782857
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A new speculation technique to optimize floating-point performance while preserving bit-by-bit reproducibility

Abstract: The bit-by-bit reproducibility of floating-point results, which is defined by the IEEE 754 standard, prohibits optimizations such as reassociation and the use of native operations such as fused multiplyadd (FMA), and thus it significantly impairs floating-point performance. Recent network-oriented languages such as Java strictly conform to the standard, and thus their numerical computing performance becomes inherently lower than conventional languages.In this paper, we propose a new software technique, called … Show more

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