Report.cpp

// 
// Performs various reporting functions
//
// Do not change the code in this file, as doing so
// could cause your submission to be graded incorrectly
//

#include <iostream>
#include <fstream>
#include <iomanip>
#include <math.h>
#include "types.h"

using namespace std;

double gflops(int n, int reps, double time){

    // Total number of entries
    long long int n2 = n;
    n2 *= n;
    // Updates
    const long long int updates =  n2 * (long long) reps;
    // Number of flops
    const long long int flops =  (long long ) n * 2L * updates;
    double flop_rate = (double) flops / time;
    return ( flop_rate/1.0e9);
}

void printTOD(string mesg)
{
        time_t tim = time(NULL);
        string s = ctime(&tim);
        if (mesg.length() ==  0) 
            cout << "Time of day: " << s.substr(0,s.length()-1) << endl;
        else {
            cout << "[" << mesg << "] " ;
            cout << s.substr(0,s.length()-1) << endl;
        }
        cout << endl;
}

void perfString(int n, int ntx, int nty, int reps, double t_h, double
gflops_h, double t_d, double gflops_d, int do_host, int prefer_l1,
		int use_rand, int use_bt, int use_shm_double)
{
    char DoHost = do_host ? 'Y' : 'N';
    char PreferL1 = prefer_l1 ? 'Y' : 'N';
    char UseRand = use_rand ? 'Y' : 'N';
    char UseBT = use_bt ? 'Y' : 'N';
    char ShmConfig = use_shm_double ? '8' : '4';
    printf("\n     N     TX     TY   Reps       t_h     GF_h       t_d   GF_d   Host?  L1? Rnd?  BT?  SHM\n");
    printf("@ %5d  %4d   %4d    %3d   %8.2e  %6.1f  %8.2e %6.1f     %1c    %1c    %1c    %1c    %1c\n\n",
	   n,ntx, nty,reps,t_h,gflops_h,t_d,gflops_d, DoHost, PreferL1, UseRand, UseBT, ShmConfig);
}