C:\>gppthread64-readline-2-13-0.exe
Reading GPRC: gprc.txt
GPRC Done.
GP/PARI CALCULATOR Version 2.13.0 (released)
amd64 running mingw (x86-64/GMP-6.1.2 kernel) 64-bit version
compiled: Oct 19 2020, gcc version 8.3-posix 20190406 (GCC)
threading engine: pthread
(readline v8.0 enabled, extended help enabled)
Copyright (C) 2000-2020 The PARI Group
PARI/GP is free software, covered by the GNU General Public License, and comes WITHOUT ANY WARRANTY WHATSOEVER.
Type ? for help, \q to quit.
Type ?17 for how to get moral (and possibly technical) support.
parisize = 8000000, primelimit = 51000000, nbthreads = 4
? v=pareval(vector(200,i,()->factor(2^i+1)[1,1]));
cpu time = 8,782 ms, real time = 2,997 ms.
? v=eval(vector(200,i,()->factor(2^i+1)[1,1]));
cpu time = 8,753 ms, real time = 8,788 ms.
? \q
Goodbye!