/*============================================================================= This file is part of FLINT. FLINT is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. FLINT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with FLINT; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =============================================================================*/ /****************************************************************************** Copyright 2009 William Hart ******************************************************************************/ #include #include #include #include "profiler.h" #include "flint.h" #include "ulong_extras.h" void sample(void * arg, ulong count) { mp_limb_t d; mp_ptr array = (mp_ptr) flint_malloc(200 * sizeof(mp_limb_t)); FLINT_TEST_INIT(state); ulong i; int j; d = n_randtest_not_zero(state); for (i = 0; i < count; i++) { for (j = 0; j < 200; j+=2) { do { array[j] = n_randtest(state); } while (array[j] >= d); array[j + 1] = n_randtest(state); } prof_start(); for (j = 0; j < 200; j+=2) { udiv_qrnnd(array[j], array[j+1], array[j], array[j+1], d); } prof_stop(); for (j = 0; j < 200; j++) if (array[j] == 0) flint_printf("\r"); } flint_randclear(state); flint_free(array); } int main(void) { double min, max; prof_repeat(&min, &max, sample, NULL); flint_printf("udiv_qrnnd min time is %.3f cycles, max time is %.3f cycles\n", (min/(double)FLINT_CLOCK_SCALE_FACTOR)/100, (max/(double)FLINT_CLOCK_SCALE_FACTOR)/100); return 0; }