Python threads all executing on a single core
- by Rob Lourens
I have a Python program that spawns many threads, runs 4 at a time, and each performs an expensive operation. Pseudocode:
for object in list:
t = Thread(target=process, args=(object))
# if fewer than 4 threads are currently running, t.start(). Otherwise, add t to queue
But when the program is run, Activity Monitor in OS X shows that 1 of…
