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DPS915/M-N-M

249 bytes added, 18:56, 7 March 2013

→‎Assignment 2

# include <ctime>

#include<iomanip>

#include<cstdlib>

# include <cuda_runtime.h>

//#include <times.h>

using namespace std;

inline clock_t getMilliSecs() { return clock() / (CLOCKS_PER_SEC / 1000); } __global__ void primegen(bool prime, int number2,int x,int *primes_d)

{

bool prime = true;

//struct tms start_time, stop_time;

int number2;

number2 =(int) floor (sqrt (x));

clock_t start = getMilliSecs();

//Array to hold generated primes on host

cudaError_t error ;

~~int start_s=clock();~~

//Kernal goes here

primegen<<<1,1>>>(prime,number2,(int)x,primes_d);

~~int stop_s = clock();~~

// extract error code from the kernel's execution

//display the primes

for(int i=0; i<(int)x ; i++){

if(primes_h[i]>=2 && primes_h[i]<=(int)x){

}

cout << "Elapsed time: " << (getMilliSecs() - start) << "ms" << endl; // cout<< "time: "<< (stop_s-start_s)/double(CLOCKS_PER_SEC)<<endl;

//free allocated memory

delete [] primes_h;

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