Ciao, Il Gio, 13 Dicembre 2018 1:07 pm, Torbjörn Granlund ha scritto: > ni...@lysator.liu.se (Niels Möller) writes: > It will be very interesting to see what thresholds we get with that. > > Marco's code might be in shape to enlighten us about that!
I'll try it again as soon as I'll have the time :-) > I am still playing in C with longlong.h, but I will likely try creating Are you willing to add a mul_2 to longlong.h? I feel we should at least add an umulhi macro. We have too many umul_ppmm(used, dummy, a, b) in the code now... Sometimes in the past we also played with an almost-branch-free C-only umul_ppmm using karatsuba... but I don't remember when... Ĝis, m -- http://bodrato.it/ _______________________________________________ gmp-devel mailing list gmp-devel@gmplib.org https://gmplib.org/mailman/listinfo/gmp-devel