Seq VS Par
sekvencijalno / paralelno izvrsavanjeunknown
python
4 years ago
1.2 kB
4
Indexable
import time import multiprocessing as mp ciklus = 1000 * 10000 def t(): for x in range(ciklus): fdiv = ciklus / 2.0 fcom = (x > fdiv) fadd = fdiv + 1.0 fsub = fdiv - 2.0 fmul = fdiv * 2.0 if __name__ == '__main__': print(" Startovano {} ciklusa CPU računanja".format(ciklus)) start_time = time.time() t() t() t() t() t() t() t() t() print("Sekvencijalno izvršavanje završeno za %.2f sekundi." % (time.time() - start_time)) # 8 start_time = time.time() p1 = mp.Process(target=t) p2 = mp.Process(target=t) p3 = mp.Process(target=t) p4 = mp.Process(target=t) p5 = mp.Process(target=t) p6 = mp.Process(target=t) p7 = mp.Process(target=t) p8 = mp.Process(target=t) p1.start() p2.start() p3.start() p4.start() p5.start() p6.start() p7.start() p8.start() p1.join() p2.join() p3.join() p4.join() p5.join() p6.join() p7.join() p8.join() print("Paralelno (8 proc) izvršavanje završeno za %.2f sekundi." % (time.time() - start_time))
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