Predicting the sieving effort for the number field sieve

  • Authors:
  • Willemien Ekkelkamp

  • Affiliations:
  • CWI, Amsterdam, The Netherlands and Leiden University, Leiden, The Netherlands

  • Venue:
  • ANTS-VIII'08 Proceedings of the 8th international conference on Algorithmic number theory
  • Year:
  • 2008

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Abstract

We present a new method for predicting the sieving effortfor the number field sieve (NFS) in practice. This method takes relationsfrom a short sieving test as input and simulates relations according tothis test. After removing singletons, we decide how many relations weneed for the factorization according to the simulation and this gives agood estimate for the real sieving. Experiments show that our estimateis within 2% of the real data.