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August 4, 2017 17:28
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#!/usr/bin/env python3.6 | |
import time | |
import math | |
import numpy as np | |
import random | |
def distance(coord1, coord2): | |
return math.sqrt(sum((coord1[i] - coord2[i])**2 | |
for i in range(len(coord1)))) | |
def distance2(x, y): | |
pow2 = lambda x: math.pow(x,2) | |
vect_coord_distance = map( lambda tup: tup[0] - tup[1] , zip(coord1,coord2) ) | |
vect_coord_distance = map( pow2, vect_coord_distance ) | |
scalar_distance = math.sqrt( sum( list( vect_coord_distance ) ) ) | |
return scalar_distance | |
NUMTRIALS = 1000 | |
coord1 = tuple(random.randint(0, 100) for _ in range(3)) | |
coord2 = tuple(random.randint(0, 100) for _ in range(3)) | |
times = np.zeros(NUMTRIALS) | |
for i in range(NUMTRIALS): | |
stime = time.time() | |
distance(coord1, coord2) | |
times[i] = time.time() - stime | |
times2 = np.zeros(NUMTRIALS) | |
for i in range(NUMTRIALS): | |
stime = time.time() | |
distance2(coord1, coord2) | |
times2[i] = time.time() - stime | |
print(f'My function average time: {times.mean()}') | |
print(f'Your function average time: {times2.mean()}') |
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