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@nrtkbb
Created October 25, 2018 07:17
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from itertools import izip
from datetime import datetime
from maya import cmds
def slow_version(uvs):
a = ['meshName.uvst[0].uvsp[*]']
a_append = a.append
for u, v in izip(uvs[0], uvs[1]):
a_append(u)
a_append(v)
# a data for "cmds.setAttr(*a, type='float2')"
def fast_version(uvs):
us, vs = uvs
s_len = len(us)
a = ['meshName.uvst[0].uvsp[*]'] + ([0] * (s_len * 2))
def ud(i, u):
a[i*2+1] = u
def vd(i, v):
a[i*2+2] = v
(ud(i, u) for i, u in enumerate(us))
(vd(i, v) for i, v in enumerate(vs))
# a data for "cmds.setAttr(*a, type='float2')"
# Test data, Like a maya.api.OpenMaya.MFnMesh.getUVs return value.
uvs = [[0] * 100000000, [1] * 100000000]
start = datetime.now()
slow_version(uvs)
# My machine's output about 16 sec.
print('slow_version', str(datetime.now() - start))
start = datetime.now()
fast_version(uvs)
# My machine's output about 3 sec.
print('fast_version', str(datetime.now() - start))
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