New submission from Huazuo Gao :
import os
import time
from multiprocessing import Process
p = Process(target=lambda:os.execlp('bash', 'bash', '-c', 'sleep 1.5'))
t0 = time.time()
p.start()
p.join(0.1)
print(time.time() - t0)
---
Python 3.5 - 3.8 take 1.5 sec to finish
Python 2.7 take 0.1
New submission from Huazuo Gao :
Prior to PR 10419, sock_sendall does not make a copy of the data. PR 10419
introduced an extra copy, which may cause problem for code that send a huge
chunk of data simultaneously to many peers. Relevant change is:
https://github.com/python/cpython/pull/10419
