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from cython.parallel import prange
import numpy as np
from posix.time cimport timeval, gettimeofday

def do_prange(int n, int batch_size):
  cdef int i, j
  cdef int sum_i = 0

cdef timeval tv_st, tv_en
  cdef unsigned long ut_st, ut_en

  gettimeofday(&tv_st, NULL)
  for i in prange(n, nogil=True, schedule='static'):
    for j in range(batch_size):
      sum_i += 1
 

  gettimeofday(&tv_en, NULL)
  ut_st = 1000000 * tv_st.tv_sec + tv_st.tv_usec
  ut_en = 1000000 * tv_en.tv_sec + tv_en.tv_usec
  print(f'{ut_st} {ut_en} {ut_en - ut_st} {sum_i}')

#include <iostream>

#include <thread>

#include <vector>

#include <sys/time.h>

using namespace std;

void func(int tid) {

    int a;

    a=tid;

    //cout << "Lanched by thread " << tid << endl;

}

int main() {

    vector<thread> th;

    int nr_threads = 10;

    struct timeval tv_st, tv_en; 

  gettimeofday(&tv_st, NULL);

    // Launch a group of threads

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

        th.push_back(thread(func, i));

    }

    // Join the threads with the main thread

    for (auto &t : th) {

        t.join();

    }

    gettimeofday(&tv_en, NULL);

    unsigned long ut_st, ut_en;

    ut_st = 1000000 * tv_st.tv_sec + tv_st.tv_usec;

    ut_en = 1000000 * tv_en.tv_sec + tv_en.tv_usec;

    cout << ut_st << " " << ut_en << " " << ut_en - ut_st << endl;

    return 0;

}