Welcome to the resource topic for 2014/397
Title:
Cofactorization on Graphics Processing Units
Authors: Andrea Miele, Joppe W. Bos, Thorsten Kleinjung, Arjen K. Lenstra
Abstract:We show how the cofactorization step, a compute-intensive part of the relation collection phase of the number field sieve (NFS), can be farmed out to a graphics processing unit. Our implementation on a GTX 580 GPU, which is integrated with a state-of-the-art NFS implementation, can serve as a cryptanalytic co-processor for several Intel i7-3770K quad-core CPUs simultaneously. This allows those processors to focus on the memory-intensive sieving and results in more useful NFS-relations found in less time.
ePrint: https://eprint.iacr.org/2014/397
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