|Bill Allombert on Fri, 09 May 2014 11:32:58 +0200|
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|Re: Factoring small numbers|
On Thu, May 08, 2014 at 04:58:06PM -0400, Charles Greathouse wrote: > (10:46) gp >default(factor_add_primes,0) > (13:51) gp >for(i=1,1000,factor(19180172397815991981)) > time = 52,287 ms. > > version() gives [2, 8, 0, 16370, "23a2ae3"]. Header is > GP/PARI CALCULATOR Version 2.8.0 (development 16370-23a2ae3) > i686 running mingw (ix86/GMP-5.1.3 kernel) 32-bit version > compiled: Apr 14 2014, gcc version 4.8.2 (GCC) > threading engine: single > (readline v6.2 enabled, extended help enabled) > > Computer is running Windows Vista on an i7. I can give comparative timings > on Linux if desired. Currently MPQS use temporary files (which is a bug). Thus it is likely to be much slower under mingw. Cheers, Bill.