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)