benchmark-recint_inv_naive.C
/* ruint_arazi.cpp - Arazi & Qi for RecInt library test file
Return value.
0 No error
!= 0 Bad result for an operation
The following constants have to be defined.
STD_RECINT_SIZE size of recint (> 6)
LOOPS number of loops
*/
#include <recint/ruint.h>
#include <givaro/givtimer.h>
#if not defined(STD_RECINT_SIZE)
#define STD_RECINT_SIZE 9
#endif
#if not defined(LOOPS)
#define LOOPS 100
#endif
#define ALEA_MAX 64
#define ALEA_MASK 63
using namespace RecInt;
int main(int argc, char ** argv)
{
size_t nbloops = static_cast<size_t>((argc > 1)? atoi(argv[1]) : LOOPS);
ruint<STD_RECINT_SIZE> p, pinv;
ruint<STD_RECINT_SIZE+1> P, P1, R;
Givaro::Timer tim;
// Random
RecInt::srand(static_cast<unsigned long>(time(NULL)));
R.High = 1;
tim.clear(); tim.start();
for (UDItype l = 0; l < nbloops; l++) {
rand(P.Low); if (P.Low % 2 == 0) P.Low++;
// P1 = inv(P) mod R
inv_mod(P1, P, R);
copy(pinv, P1.Low);
}
tim.stop();
// -----------
// Standard output for benchmark - Alexis Breust 2014/12/11
std::cout
<< "Time: " << tim.usertime()
<< " Mflops: " << std::scientific << (double(nbloops))/tim.usertime()/1000.0/1000.0
<< " SIZE: " << STD_RECINT_SIZE
<< std::endl ;
return 0;
}
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s