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Title:
A comprehensive empirical comparison of parallel ListSieve and GaussSieve
Authors: Artur Mariano, Ozgur Dagdelen, Christian Bischof
Abstract:The security of lattice-based cryptosystems is determined by the performance of practical implementations of, among others, algo- rithms for the Shortest Vector Problem (SVP). In this paper, we conduct a comprehensive, empirical comparison of two SVP-solvers: ListSieve and GaussSieve. We also propose a practical par- allel implementation of ListSieve, which achieves super-linear speedups on multi-core CPUs, with efficiency levels as high as 183%. By compar- ing our implementation with a parallel implementation of GaussSieve, we show that ListSieve can, in fact, outperform GaussSieve for a large num- ber of threads, thus answering a question that was still open to this day.
ePrint: https://eprint.iacr.org/2014/714
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