Thread: November 2019 View Single Post
 2019-11-15, 22:46 #49 yae9911     "Hugo" Jul 2019 Germany 31 Posts To contribute something more substantial than "pseudo-hints": On my aged Windows computer one 9x9 determinant takes ~ 6.2e-7 s, using 8 byte floats and Gauss elimination from LAPACK running on one core with PARI checking ispseudoprime on a second core. I.e. 10^9 determinants in 10 minutes CPU. For comparison of machine speed: yafu-1.34 tune tells me: Code: SIQS on c100: ... elapsed time for ~10k relations of c100 = 54.6251 seconds. extrapolated time for complete factorization = 8707.0082 seconds ... WIN64 - Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz