I tried your example & its working fine. Thanks
*In script Editor*
import subprocess
import cPickle
mayapy_path = r'C:/Program Files/Autodesk/Maya201x/bin/mayapy.exe'
script_path = r'E:/multi_test.py'
proc_obj = subprocess.Popen(mayapy_path + ' ' + script_path + ' -po', stdin=
subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
result = cPickle.load(proc_obj.stdout)
print result
*multi_test.py*
import multiprocessing
from time import time
import cPickle
import sys
## Simple func to eat up cpu power.
def whileFunc(z):
while z < 100000:
z += 1
return z
if __name__ == "__main__":
## Get current time
currtime = time()
## How often to run (just a test value)
N = 10000
## Just a list with 1s
myList = [1]*N
nrOfProcessors = multiprocessing.cpu_count()
## Set our pool of processors
po = multiprocessing.Pool(nrOfProcessors)
## create the threads
res = po.map_async(whileFunc, myList)
## If we pass a -po flag, pickle the output and write it out
if '-po' in sys.argv[1:]:
results = len(res.get())
cPickle.dump(results, sys.stdout, -1)
sys.stdout.flush()
sys.exit(0)
print 'This value below should be a 1000:'
print len(res.get())
print 'time elapsed:', time() - currtime
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