fix for 16+ CPU

Author: iperov

core/mplib/MPSharedList.py

@@ -117,7 +117,7 @@ def __init__(self, sh_b, data_list ):
 
     #override
     def process_info_generator(self):
-        for i in range(multiprocessing.cpu_count()):
+        for i in range(min(multiprocessing.cpu_count(), 8)):
             yield 'CPU%d' % (i), {}, {'sh_b':self.sh_b}
 
     #override