-------------------------------
Num faces: 7000k+
Num lights: 38
Textures on disk: 600M+
Resolution: 1200x700
CPU: 8core, 1.89GHz
-------------------------------
Total render time: 2:00
-------------------------------
Ray tracing: 0:25
Texture filtering: 0:30
Noise function: 0:20
BSDF sampling + light sampling: 0:30
Other: 0:15
Performance profile of a typical interior scene
原文：http://www.cnblogs.com/len3d/p/5021610.html