Physics engines/Speed tests
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Info:
- Speed tests done with Python 2.5 and the latest engine releases as of 17. March 2008
- Source Codes: http://svn2.assembla.com/svn/elements/speedtest/
- Speed Test were made by Joshua Minor and Chris Hager
- Timings are average after 10 times
- In test3 and 4, fps are captured to the console all 3 seconds
- With pressing "1", 25 balls will be added and the element count printed to console
TEST ON AN AMD64 SYSTEM
> Linux 2.6.19-gentoo-r5 #1 SMP Tue Jul 31 09:51:33 CEST 2007
> x86_64 AMD Athlon(tm) 64 Processor 3200+ AuthenticAMD GNU/Linux
=======================================================================
Test1
=====
1. Loading Library
2. Creating A World with Gravity
Box2d:
real 0m0.054s
user 0m0.028s
sys 0m0.008s
Chipmunk:
real 0m0.080s
user 0m0.052s
sys 0m0.012s
Test 2
======
1. U Shaped World
2. Ball radius = 10px
x. 40.0 fps, 5 iterations per update
WITH DRAWING WITHOUT DRAWING (test2-2.py)
Balls / FPS Box2d Chipmunk Box2d Chipmunk
0 40 40 40 40
200 39 39 40 40
300 32 34 40 40
400 26 27 40 40
500 23 23 40 40
Test 3
======
1. Wide ground, small 50px stoppers left and right
2. Ball radius = 10px
x. 40.0 fps, 10 iterations per update
WITH DRAWING WITHOUT DRAWING (test3-2.py)
Balls / FPS Box2d Chipmunk Box2d Chipmunk
0 40 40 40 40
100 40 40 40 40
200 39 39 40 40
300 32 30 40 40
400 26 22 40 40
500 22 18 40 32
Test 4
======
1. Wide ground, small 50px stoppers left and right
2. Ball radius = 10px
x. 50.0 fps, 10 iterations per update
WITH DRAWING WITHOUT DRAWING (test4-2.py)
Balls / FPS Box2d Chipmunk Box2d Chipmunk
0 50 50 50 50
100 50 50 50 50
200 45 41 50 50
300 33 30 50 49
400 27 24 49 40
500 21 19 49 33
TESTS ON THE XO LAPTOP
> Linux 2.6.22-20071121.7.olpc, B4, Build 650
> AMD Geode with 431.222 MHz, 128 KB Cache, 256 MB RAM
============================================================
Test 3
======
1. Wide ground, small 50px stoppers left and right
2. Ball radius = 10px
x. 40.0 fps, 10 iterations per update
WITH DRAWING WITHOUT DRAWING (test3-2.py)
Balls / FPS Box2d Chipmunk Box2d Chipmunk
0 40 40 40 40
25 40 28 40 40
50 27 16 40 35
75 21 15 40 23
100 15 10 40 16
125 - - 40 12
Test 4
======
1. Wide ground, small 50px stoppers left and right
2. Ball radius = 10px
x. 50.0 fps, 10 iterations per update
WITH DRAWING WITHOUT DRAWING (test4-2.py)
Balls / FPS Box2d Chipmunk Box2d Chipmunk
0 50 50 50 50
25 42 28 50 50
50 27 19 50 35
75 20 13 50 24
100 16 9 50 18
125 - - 50 16
150 - - 50 12