pymel vs OpenMaya speed test

compare_pymel_openmaya.py

# this test executed on 80,000 vertices sphere and 6 faces box

from pymel.core import *
from time import time
from maya import OpenMaya

def calc_time(f):
    def fn(*args, **kwargs):
        s = time()
        r = f(*args, **kwargs)
        e = time()
        print('[TIME] %f sec' % (e - s))
        return r
    return fn

# [TIME] 16.788000 sec
@calc_time
def stick_pts_pymel(dst, target):
    d = PyNode(dst).getShape()
    t = PyNode(target).getShape()
    s = 'world'
    pts = d.getPoints(space=s)
    for i, p in enumerate(pts):
        pts[i] = t.getClosestPoint(p, space=s)[0]
    d.setPoints(pts, space=s)
stick_pts_pymel('pSphere1', 'pCube1')

# [TIME] 0.294000 sec
# 57.1 times faster than pymel version of it!!
@calc_time
def stick_pts_openmaya(dst, target):
    d = api.toMDagPath(dst)
    t = api.toMDagPath(target)
    d.extendToShape()
    t.extendToShape()
    dmfn = OpenMaya.MFnMesh(d)
    tmfn = OpenMaya.MFnMesh(t)
    s = OpenMaya.MSpace.kWorld
    pts = OpenMaya.MPointArray()
    dmfn.getPoints(pts, s)
    p = OpenMaya.MPoint()
    for i in xrange(pts.length()):
        tmfn.getClosestPoint(pts[i], p, s)
        pts.set(p, i)
    dmfn.setPoints(pts)
stick_pts_openmaya('pSphere1', 'pCube1')