Ha! I forgot to mention, those numbers represent the size of the integers in bits. I multiply two different integers with the same number of bits, though that is not a limitation of the code. It will accept integers of different lengths and adjust accordingly.
Bill. 2010/1/1 Bill Hart <goodwillh...@googlemail.com>: > I re-timed that point and I believe I may have just mistranscribed it. > Here it is with the corrected time. Thanks for pointing it out! > > I've also included some times from the FLINT FFT, though only > non-truncated ones (i.e. where FLINT uses a convolution which is an > exact power of 2 length - not a limitation of FLINT, I just didn't get > around to timing it at the other points yet). > > 8364032: 6.8s / 8.0s > 9409536: 9.8s / 8.7s > 10455040: 10.8s / 9.6s > 11500544: 12.3s / 12.6s > 12546048: 12.7s / 15.3s > 13591552: 14.0s / 14.2s > 14637056: 14.9s / 15.3s > 15682560: 16.0s / 14.5s > 16728064: 16.8s / 19.5s > > 20910080: 24.3s / 23.2s > 25092096: 28.5s / 33.1s > 29274112: 33.1s / 31.8s > 33456128: 37.4s / 47.7s > > 519168: iters 10000: 30.7s / 32.2s / 32.3s > 2084864: iters 1000: 13.9s / 15.2s / 13.0s > 8364032: iters 100: 6.8s / 8.0s / 7.6s > 33497088: iters 100: 37.4s / 47.7s / 37.5s > 134103040: iters 10: 17.0s / 24.8s / 19.6s > 536608768: iters 1: 8.6s / 9.4s / 8.6s > 2146959360: iters 1: 42.3s / 40.3s / 38.9s > > Bill. > > > 2009/12/31 Bill Hart <goodwillh...@googlemail.com>: >> It's either a tuning issue or timing instability on the machine. >> >> Bill. >> >> On 31/12/2009, Robert Gerbicz <robert.gerb...@gmail.com> wrote: >>> Hi! >>> >>> How is it possible that to multiple longer numbers takes less time, for >>> example: >>> >>> 12546048: 14.7s / 15.3s >>> 13591552: 14.0s / 14.2s >>> >>> -- >>> >>> You received this message because you are subscribed to the Google Groups >>> "mpir-devel" group. >>> To post to this group, send email to mpir-de...@googlegroups.com. >>> To unsubscribe from this group, send email to >>> mpir-devel+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/mpir-devel?hl=en. >>> >>> >>> >> > -- You received this message because you are subscribed to the Google Groups "mpir-devel" group. To post to this group, send email to mpir-de...@googlegroups.com. To unsubscribe from this group, send email to mpir-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en.
