Blog_DifferentialProcessTime.py

gistfile1.txt

from sympy import *
import time
ProcessTime = 1000

def Differential(x):
    return 3*(x**2)

def Self_f(x):
    return x**3

x = Symbol('x')
f = x**3
start = time.perf_counter()
for loop in range(ProcessTime):
    df = diff(f)
    for i in range(1, 6):
        df.subs(x, i)

end = time.perf_counter()
print(f"SymPy:{(end-start)*1000:.3f} ms")

h = 1e-5
start = time.perf_counter()
for loop in range(ProcessTime):
    for x in range(1,6):
        self_df = (Self_f(x+h) - Self_f(x) ) / h
        
end = time.perf_counter()
print(f"Self:{(end-start)*1000:.3f} ms")

start = time.perf_counter()
for loop in range(ProcessTime):
    for x in range(1,6):
        Differential(x)

end = time.perf_counter()
print(f"Assignment:{(end-start)*1000:.3f} ms")

start = time.perf_counter()
for loop in range(ProcessTime):
    for i in range(1, 6):
        df.subs(x, i)

end = time.perf_counter()
print(f"SymPy-CalcOnly:{(end-start)*1000:.3f} ms")