barrier2.py running, N= 4 , Njob= 2
worker myid= 1  init, started
worker myid= 2  init, started
worker myid= 1 , job= 0
 running, at first barrier
worker myid= 2 , job= 0
 running, at first barrier
worker myid= 3  init, started
worker myid= 3 , job= 0
 running, at first barrier
worker myid= 4  init, started
worker myid= 4 , job= 0
 running, at first barrier
master at first barrier, job  0
worker myid= 1 , job= 0
 running, at second barrier
worker myid= 3 , job= 0
 running, at second barrier
worker myid= 2 , job= 0
 running, at second barrier
worker myid= 4 , job= 0
 running, at second barrier
master at second barrier, job  0
worker myid= 2 , job= 1
 running, at first barrier
worker myid= 4 , job= 1
 running, at first barrier
worker myid= 1 , job= 1
 running, at first barrier
worker myid= 3 , job= 1
 running, at first barrier
master at first barrier, job  1
worker myid= 3 , job= 1
 running, at second barrier
worker myid= 4 , job= 1
 running, at second barrier
worker myid= 2 , job= 1
 running, at second barrier
worker myid= 1 , job= 1
 running, at second barrier
master at second barrier, job  1
worker myid= 4  ending
worker myid= 1  ending
worker myid= 3  ending
worker myid= 2  ending
master ending