filecmp vs getmtime

# ファイルの比較(size-108MB)
import time
filePathA = r"F:\username\maya\projects\maya2016\scenes\XX\textures\test.1002.tga"
filePathB = r"P:\XX\username\Textures\test.1002.tga"

timer = time.time()
import filecmp
if filecmp.cmp(filePathA, filePathB):
    print time.time() - timer

timer = time.time()
import datetime
fileDateA = datetime.datetime.fromtimestamp(os.path.getmtime(filePathA)).strftime('%Y%m%d%H%M%S')
fileDateB = datetime.datetime.fromtimestamp(os.path.getmtime(filePathB)).strftime('%Y%m%d%H%M%S')
if fileDateA == fileDateB:
    print time.time() - timer

# # 1回目
# 1.7460000515
# 0.00499987602234

# # 2回目
# 0.00500011444092
# 0.00200009346008

# # 3回目
# 0.0019998550415
# 0.0019998550415