79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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/*=============================================================================
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This file is part of FLINT.
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FLINT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FLINT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright 2009 William Hart
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include "profiler.h"
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#include "flint.h"
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#include "ulong_extras.h"
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void sample(void * arg, ulong count)
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{
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mp_limb_t n, d, r = 0;
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double dpre;
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ulong i;
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mp_ptr array = (mp_ptr) flint_malloc(1024*sizeof(mp_limb_t));
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FLINT_TEST_INIT(state);
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for (i = 0; i < count; i++)
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{
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int j;
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d = n_randtest(state);
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if (d == UWORD(0)) d++;
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dpre = n_precompute_inverse(d);
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for (j = 0; j < 1024; j++)
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{
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array[j] = n_randtest(state);
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}
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prof_start();
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for (j = 0; j < 10000; j++)
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{
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r += n_mod2_precomp(array[j&1023], d, dpre);
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}
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prof_stop();
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}
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if (r == 0) abort();
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flint_randclear(state);
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flint_free(array);
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}
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int main(void)
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{
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double min, max;
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prof_repeat(&min, &max, sample, NULL);
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flint_printf("mod2_precomp min time is %.3f cycles, max time is %.3f cycles\n",
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(min/(double)FLINT_CLOCK_SCALE_FACTOR)/10000.0, (max/(double)FLINT_CLOCK_SCALE_FACTOR)/10000.0);
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return 0;
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}
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