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Pré-Publication, Document De Travail Année : 2019

Application-specific arithmetic in high-level synthesis tools

Résumé

This work studies hardware-specific optimization opportunities currently unexploited by HLS compilers. Some of these optimizations are specializations of floating-point operations. They respect the usual semantics of the input program. Other optimizations do not, assuming instead that a floating-point computation is actually intended to compute with real numbers. What matters then is to respect application-level accuracy constraints, expressed as pragmas in the source code. This provides the compiler with freedom to use non-standard arithmetic when more efficient. A source-to-source compiler is used to prototype the proposed optimizations and evaluate them on relevant benchmarks.
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Dates et versions

hal-02423363 , version 2 (09-07-2019)
hal-02423363 , version 3 (17-10-2019)
hal-02423363 , version 1 (27-12-2019)

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Yohann Uguen, Florent de Dinechin, Victor Lezaud, Steven Derrien. Application-specific arithmetic in high-level synthesis tools. 2019. ⟨hal-02423363v2⟩
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