from IPython.parallel import Client

rc = Client()

rc.ids

%px import os

%px print(os.getpid())

%pxconfig --targets 1

%px print(os.getpid())

%%px --targets :-1
print(os.getpid())

%%px --noblock
import time
time.sleep(1)
os.getpid()

%pxresult

v = rc[:]

with v.sync_imports():
    import time

def f(x):
    time.sleep(1)
    return x * x

v.map_sync(f, range(10))

timeit -n 1 -r 1 map(f, range(10))

r = v.map(f, range(10))

r.ready(), r.elapsed

r.get()

r.elapsed, r.serial_time