distanceTest.py

import rhinoscriptsyntax as rs
import Rhino.Geometry as rg

#from clr import AddReference as addr
#addr("Grasshopper")
#from System import Object
#from Grasshopper import DataTree
#from Grasshopper.Kernel.Data import GH_Path

import random
import math
from datetime import datetime

import ghpythonlib.components as ghcomp
import ghpythonlib.parallel

cloudSize = len(pointCloud)

#Rhinoscript
startTime = datetime.now()
for i in range(iterations):
    p1 = pointCloud[random.randint(0,cloudSize-1)]
    p2 = pointCloud[random.randint(0,cloudSize-1)]
    throwawayVariable = rs.Distance(p1,p2)
endTime = datetime.now()
Rhinoscript = endTime - startTime

#Grasshopper
startTime = datetime.now()
for i in range(iterations):
    p1 = pointCloud[random.randint(0,cloudSize-1)]
    p2 = pointCloud[random.randint(0,cloudSize-1)]
    throwawayVariable = ghcomp.Distance(p1,p2)
endTime = datetime.now()
Grasshopper = endTime - startTime

#GHparallel
startTime = datetime.now()
p1 = []
p2 = []
for i in range(iterations):
    p1.append(pointCloud[random.randint(0,cloudSize-1)])
    p2.append(pointCloud[random.randint(0,cloudSize-1)])
pairs = zip(p1,p2)
throwawayVariable = ghpythonlib.parallel.run(ghcomp.Distance, pairs, True)
endTime = datetime.now()
GHparallel = endTime - startTime
p1 = None
p2 = None

#native
startTime = datetime.now()
for i in range(iterations):
    p1 = pointCloud[random.randint(0,cloudSize-1)]
    p2 = pointCloud[random.randint(0,cloudSize-1)]
    throwawayVariable = math.sqrt(	math.pow(p1.X-p2.X, 2) + math.pow(p1.Y-p2.Y, 2) + math.pow(p1.Z-p2.Z, 2))
endTime = datetime.now()
native = endTime - startTime