def detect_ncpus():
"""Detects the number of effective CPUs in the system"""
if iswindows:
import win32api
ans = win32api.GetSystemInfo()[5]
else:
import multiprocessing
ans = -1
try:
ans = multiprocessing.cpu_count()
except Exception:
from PyQt5.Qt import QThread
ans = QThread.idealThreadCount()
return max(1, ans)
def detect_ncpus():
"""Detects the number of effective CPUs in the system"""
global _ncpus
if _ncpus is None:
if iswindows:
import win32api
ans = win32api.GetSystemInfo()[5]
else:
import multiprocessing
ans = -1
try:
ans = multiprocessing.cpu_count()
except Exception:
ans = 1
_ncpus = max(1, ans)
return _ncpus
