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Re: sr1sieve Legendre symbol

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  • djbroadhurst
    ... -x --no-lookup Don t pre-compute Legendre symbol lookup tables. You should use this flag only if the square-free part of your k-value is so large that the
    Message 1 of 2 , Dec 21, 2010
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      --- In primenumbers@yahoogroups.com,
      "Di Maria Giovanni" <calimero22@...> wrote:

      > What is the "-x" flag in sr1sieve program?

      -x --no-lookup
      Don't pre-compute Legendre symbol lookup tables.

      You should use this flag only if the square-free
      part of your k-value is so large that the tables
      exhaust your memory:

      http://mersenneforum.org/showpost.php?p=97951&postcount=51

      If you have enough memory, then precomputed Kronecker
      symbols will speed up the sieving.

      David
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