import time
from pathos.multiprocessing import ProcessPool
# instantiate and configure the worker pool
pool = ProcessPool(nodes=3)
print "- Do a blocking (=synchronous) map on the chosen function"
print(pool.map(pow, [1, 2, 3, 4], [5, 6, 7, 8]))
print "- Do a non-blocking (=asynchronous) map, then get the results"
results = pool.amap(pow, [1, 2, 3, 4], [5, 6, 7, 8])
while not results.ready():
time.sleep(1)
print(".")
print(results.get())
print "- Do a non-blocking (=asynchronous) map, then extract the results from the iterator"
results = pool.imap(pow, [1, 2, 3, 4], [5, 6, 7, 8])
print("...")
print(list(results))
print "- Do one item at a time, using a pipe"
print(pool.pipe(pow, 1, 5))
print(pool.pipe(pow, 2, 6))
print "- Do one item at a time, using a non-blocking (=asynchronous) pipe"
result1 = pool.apipe(pow, 1, 5)
result2 = pool.apipe(pow, 2, 6)
print(result1.get())
print(result2.get())
