On 24/07/2015 21:54, candide wrote:
Of course, computing 42**1000000 is not free:# ------------------ import time a=time.clock() N=1000000 42**N b=time.clock() print("CPU TIME :", b - a) # ------------------ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ CPU TIME : 2.37 real 0m2.412s user 0m2.388s sys 0m0.016s ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ So please, explain the following: # ------------------ import time a=time.clock() 42**1000000 b=time.clock() print("CPU TIME :", b - a) # ------------------ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ CPU TIME : 0.0 real 0m2.410s user 0m2.400s sys 0m0.008s ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (focus on the CPU TIME!!)
I suggest that you use the dis module to compare the code generated for the snippet using 'N' and that using the constant 1000000.
-- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence -- https://mail.python.org/mailman/listinfo/python-list
