112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
|
/*=============================================================================
|
||
|
|
|
||
|
|
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 2010 William Hart
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include "profiler.h"
|
||
|
|
#include "flint.h"
|
||
|
|
#include "ulong_extras.h"
|
||
|
|
#include "nmod_poly.h"
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
slong n;
|
||
|
|
} info_t;
|
||
|
|
|
||
|
|
void sample(void * arg, ulong count)
|
||
|
|
{
|
||
|
|
info_t * info = (info_t *) arg;
|
||
|
|
slong n = info->n, i, j;
|
||
|
|
slong scale;
|
||
|
|
|
||
|
|
FLINT_TEST_INIT(state);
|
||
|
|
|
||
|
|
nmod_poly_t a, b, c;
|
||
|
|
mp_limb_t m = n_randint(state, 1<<((48-FLINT_BIT_COUNT(n))/2));
|
||
|
|
if (m == 0) m = 2;
|
||
|
|
|
||
|
|
nmod_poly_init2(a, m, n);
|
||
|
|
nmod_poly_init2(b, m, n);
|
||
|
|
nmod_poly_init2(c, m, 2*n - 1);
|
||
|
|
|
||
|
|
for (i = 0; i < n; i++)
|
||
|
|
{
|
||
|
|
a->coeffs[i] = n_randint(state, m);
|
||
|
|
b->coeffs[i] = n_randint(state, m);
|
||
|
|
}
|
||
|
|
a->length = n;
|
||
|
|
b->length = n;
|
||
|
|
|
||
|
|
scale = 1;
|
||
|
|
if (n < 100000) scale = 10;
|
||
|
|
if (n < 10000) scale = 100;
|
||
|
|
if (n < 100) scale = 1000;
|
||
|
|
|
||
|
|
for (i = 0; i < count; i++)
|
||
|
|
{
|
||
|
|
prof_start();
|
||
|
|
for (j = 0; j < scale; j++)
|
||
|
|
{
|
||
|
|
nmod_poly_mul(c, a, b);
|
||
|
|
}
|
||
|
|
prof_stop();
|
||
|
|
if (c->coeffs[n - 2] == 123) abort();
|
||
|
|
}
|
||
|
|
|
||
|
|
nmod_poly_clear(a);
|
||
|
|
nmod_poly_clear(b);
|
||
|
|
nmod_poly_clear(c);
|
||
|
|
flint_randclear(state);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
double min, max;
|
||
|
|
info_t info;
|
||
|
|
slong k, scale;
|
||
|
|
|
||
|
|
for (k = 2; k <= 30; k++)
|
||
|
|
{
|
||
|
|
info.n = 1<<k;
|
||
|
|
|
||
|
|
scale = 1;
|
||
|
|
if (info.n < 100000) scale = 10;
|
||
|
|
if (info.n < 10000) scale = 100;
|
||
|
|
if (info.n < 100) scale = 1000;
|
||
|
|
|
||
|
|
prof_repeat(&min, &max, sample, (void *) &info);
|
||
|
|
|
||
|
|
flint_printf("length %wd, min %.3g ms, max %.3g ms, norm %.3g\n",
|
||
|
|
info.n,
|
||
|
|
((min/(double)FLINT_CLOCK_SCALE_FACTOR)/scale)/2400000.0,
|
||
|
|
((max/(double)FLINT_CLOCK_SCALE_FACTOR)/scale)/2400000.0,
|
||
|
|
(((min/(double)FLINT_CLOCK_SCALE_FACTOR)/scale)/2400000.0)
|
||
|
|
*500000.0/info.n/FLINT_BIT_COUNT(info.n)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|