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/*
ntl-profile.c: routines for profiling NTL
Copyright (C) 2007, 2008, David Harvey
This file is part of the zn_poly library (version 0.8).
This program 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) version 3 of the License.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include "support.h"
#include "profiler.h"
#include <NTL/lzz_pX.h>
#include <NTL/ZZ_pX.h>
/*
Profiles NTL's polynomial multiplication, either zz_pX or ZZ_pX, depending
on modulus size.
arg should point to a profile_mul_info_t, with algo == ALGO_MUL_NTL.
Returns total cycle count for _count_ calls.
*/
extern "C" double profile_mul_ntl(void* arg, unsigned long count)
{
profile_mul_info_struct* info = (profile_mul_info_struct*) arg;
cycle_count_t t0, t1;
if (info->n < (ulong) NTL_SP_BOUND)
{
// zz_pX version
NTL::zz_pX f1, f2, g;
NTL::zz_p::init(info->n);
size_t i;
for (i = 0; i < info->len; i++)
SetCoeff(f1, i, random_ulong(info->n));
for (i = 0; i < info->len; i++)
SetCoeff(f2, i, random_ulong(info->n));
if (info->squaring)
{
// warm up
ulong j;
for (j = 0; j < count; j++)
sqr(g, f1);
t0 = get_cycle_counter();
for (j = 0; j < count; j++)
sqr(g, f1);
t1 = get_cycle_counter();
}
else
{
// warm up
ulong j;
for (j = 0; j < count; j++)
mul(g, f1, f2);
t0 = get_cycle_counter();
for (j = 0; j < count; j++)
mul(g, f1, f2);
t1 = get_cycle_counter();
}
}
else
{
// ZZ_pX version
NTL::ZZ_pX f1, f2, g;
NTL::ZZ_p::init(NTL::to_ZZ(info->n));
size_t i;
for (i = 0; i < info->len; i++)
SetCoeff(f1, i, random_ulong(info->n));
for (i = 0; i < info->len; i++)
SetCoeff(f2, i, random_ulong(info->n));
if (info->squaring)
{
// warm up
ulong j;
for (j = 0; j < count; j++)
sqr(g, f1);
t0 = get_cycle_counter();
for (j = 0; j < count; j++)
sqr(g, f1);
t1 = get_cycle_counter();
}
else
{
// warm up
ulong j;
for (j = 0; j < count; j++)
mul(g, f1, f2);
t0 = get_cycle_counter();
for (j = 0; j < count; j++)
mul(g, f1, f2);
t1 = get_cycle_counter();
}
}
return cycle_diff(t0, t1);
}
/*
Profiles NTL's power series inversion, either zz_pX or ZZ_pX, depending
on modulus size.
arg should point to a profile_invert_info_t, with algo == ALGO_INVERT_NTL.
Returns total cycle count for _count_ calls.
*/
extern "C" double profile_invert_ntl(void* arg, unsigned long count)
{
profile_invert_info_struct* info = (profile_invert_info_struct*) arg;
cycle_count_t t0, t1;
if (info->n < (ulong) NTL_SP_BOUND)
{
// zz_pX version
NTL::zz_pX f1, f2, g;
NTL::zz_p::init(info->n);
size_t i;
SetCoeff(f1, 0, 1);
for (i = 1; i < info->len; i++)
SetCoeff(f1, i, random_ulong(info->n));
// warm up
ulong j;
for (j = 0; j < count; j++)
InvTrunc(g, f1, info->len);
t0 = get_cycle_counter();
for (j = 0; j < count; j++)
InvTrunc(g, f1, info->len);
t1 = get_cycle_counter();
}
else
{
// ZZ_pX version
NTL::ZZ_pX f1, f2, g;
NTL::ZZ_p::init(NTL::to_ZZ(info->n));
size_t i;
SetCoeff(f1, 0, 1);
for (i = 1; i < info->len; i++)
SetCoeff(f1, i, random_ulong(info->n));
// warm up
ulong j;
for (j = 0; j < count; j++)
InvTrunc(g, f1, info->len);
t0 = get_cycle_counter();
for (j = 0; j < count; j++)
InvTrunc(g, f1, info->len);
t1 = get_cycle_counter();
}
return cycle_diff(t0, t1);
}
// end of file ****************************************************************
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