nprocs = ga.nnodes()
myrank = ga.nodeid()
g_pi = ga.create(ga.C_DBL, [1])
one_time = False
if len(sys.argv) == 2:
n = int(sys.argv[1])
one_time = True
while True:
if not one_time:
if myrank == 0:
n = get_n()
n = ga.brdcst(n)
else:
n = ga.brdcst(0)
if n == 0:
break
ga.zero(g_pi)
mypi = comp_pi(n, myrank, nprocs)
ga.acc(g_pi, mypi)
ga.sync()
if myrank == 0:
pi = ga.get(g_pi)[0]
prn_pi(pi, PI)
if one_time:
break
ga.destroy(g_pi)
