src/main/nem_ull_shuffle.c


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#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include "common.h"
#include "structs.h"
#include "nem_ull.h"

int main(int argc, char * argv[]){
  struct data * data;
  struct front_item * front = NULL;

  if(argc!=3){
    printf("Wrong number of arguments!\n");
    printf("Example usage: %s cut_point data_file\n", argv[0]);
    return 0;
  }

  data = input(argv[2]);

  struct timeval tv;
  gettimeofday(&tv, NULL);
  srand(tv.tv_sec + tv.tv_usec);

  /* Sort data */
  qsort(data->items, data->N, sizeof(struct item), cmp_items_ratio);

  printf("%d\n", atoi(argv[1]));
  clock_t t = clock();
  front = nem_ull_online_shuffle(data, atoi(argv[1]));
  
  /* Remove first item from front (only a placeholder) */
  t = clock() - t;
  printf("%f,%d\n",((float)t)/CLOCKS_PER_SEC,len_front(front));

  print_front(front);

  free_front(front);
  free_data(data);

  return 0;
}