$ time python fork_load.py 1
In Parent of 96355
In Child
(96355, 768)

real    0m26.391s
user    0m25.893s
sys 0m0.190s
$ time python fork_load.py 8
In Parent of 96372
In Parent of 96373
In Parent of 96374
In Child
In Child
In Parent of 96375
In Child
In Child
In Parent of 96376
In Child
In Parent of 96377
In Child
In Child
In Parent of 96378
In Parent of 96379
In Child
(96374, 768)
(96372, 768)
(96375, 768)
(96373, 768)
(96376, 768)
(96377, 768)
(96378, 768)
(96379, 768)

real    0m12.754s
user    0m45.196s
sys 0m0.164s