Rendering - Project#1 Accelerator

R96944043 ©P§B¬Û

http://www.cmlab.csie.ntu.edu.tw/~zho/

 

 

 

Project #1

Implementation

I implement octree plug-ins for pbrt acceleration.

Project1_R96944043.rar

Result

test plug-ins on following scene


balls.pbrt


buddha.pbrt


tt.pbrt


sibenik.pbrt

plants-directsun

Performance

 
balls2
balls
all
geometric
171.2
26.4
197.6
original
178.9
27.3
206.2
ratio
0.96
0.97
0.96

 

balls
buddha
tt
sibenik
plants-directsun
all
octree
64.9
62.3
323.6
745.0
11614.2
12810.0
kdtree
26.4
26.0
131.1
259.4
2880.4
3323.3
ratio
2.46
2.40
2.47
2.87
4.03
3.85
grid
212.9
47.2
572.1
518.9
4541.3
5892.4
ratio
0.3048
1.319915
0.565635
1.435729
2.55746152
2.17398683

*Test result of the scene "plants-directsun", accelerated by octree, seem to be insufficient memory on my laptop .

 

Reference

-Physically Based Rendering from Theory to implementation