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Conference Publication

A Lost Cycles Analysis for Performance Prediction using High-Level Synthesis

Host Publication: 12th International Symposium, ARC 2016

Authors: B. da Silva Gomes, J. Lemeire, A. Braeken and A. Touhafi

UsePubPlace: Springer International Publishing Switzerland

Publisher: Springer

Publication Year: 2016

Number of Pages: 8

ISBN: 978-3-319-30480-9


Abstract:

oday’s High-Level Synthesis (HLS) tools significantly reduce the development time and offer a fast design-space exploration of compute intensive applications. The difficulty, however, to properly select the HLS optimizations leading to a high-performance design implementation drastically increases with the complexity of the application. In this paper we propose as extension for HLS tools a performance prediction for compute intensive applications consisting of multiple loops. We affirm that accurate performance predictions can be obtained by identifying and estimating all overheads instead of directly modelling the overall execution time. Such performance prediction is based on a cycle analysis and modelling of the overheads using the current HLS tools’ features. As proof of concept, our analysis uses Vivado HLS to predict the performance of a single-floating point matrix multiplication. The accuracy of the results demonstrates the potential of such kind of analysis.

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Mr. Bruno da Silva Gomes

+32 (0)02 629 122

bdasilva@etrovub.be

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Prof. Jan Lemeire

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jlemeire@etrovub.be

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