Benchmarks
The DirectFB example suites include benchmark 'df_dok'. We have ran this benchmark on the following platform:
Platform |
CPU |
clock |
I/F |
SYSTEM RAM |
Graphics Card |
Kernel Version |
A |
Renesas SH-4 |
240MHz |
CPU |
64MB |
SMI SM501 software drawing |
2.4.20 CELF |
A' |
SMI SM501 enable 2D acceleration |
2.4.20 CELF |
||||
B |
Renesas SH-4 |
240MHz |
PCI |
64MB |
Matrox Millenium |
2.4.19 |
C |
Intel Celeron |
450MHz |
PCI |
128MB |
Matrox Mystique |
2.4.20 |
D |
Intel Celeron |
450MHz |
PCI |
128MB |
Matrox Millenium |
2.4.20 |
F |
Intel Celeron |
450MHz |
AGP |
128MB |
Matrox G450 |
2.4.20 |
E |
Intel Pentium4 |
2.4GHz |
AGP |
1GB |
Matrox G450 |
2.4.20 |
Benchmarks |
Platform |
||||||
A |
A' |
B |
C |
D |
E |
F |
|
Anti-aliased Text [KChars/sec] |
29.22 |
29.41 |
20.40 |
24.83 |
23.96 |
607.39 |
750.00 |
Anti-aliased Text (blend) [KChars/sec] |
7.52 |
7.47 |
6.12 |
16.52 |
16.66 |
613.00 |
752.85 |
Fill Rectangles [MPixel/sec] |
14.07 |
221.49 |
63.63 |
116.37 |
53.25 |
892.88 |
849.22 |
Fill Rectangles (blend) [MPixel/sec] |
1.64 |
1.67 |
1.20 |
3.18 |
3.26 |
236.38 |
225.84 |
Fill Triangles [MPixel/sec] |
12.25 |
93.87 |
93.87 |
108.79 |
50.51 |
748.55 |
730.24 |
Fill Triangles (blend) [MPixel/sec] |
1.63 |
1.61 |
1.17 |
3.13 |
3.17 |
223.32 |
218.24 |
Draw Rectangles [KRects/sec] |
1.81 |
16.01 |
10.67 |
12.95 |
8.57 |
59.53 |
36.27 |
Draw Rectangles (blend) [KRects/sec] |
0.52 |
0.57 |
0.43 |
0.83 |
0.84 |
25.40 |
17.09 |
Draw Lines [KLines/sec] |
7.10 |
66.98 |
61.33 |
62.60 |
48.84 |
281.86 |
162.40 |
Draw Lines (blend) [KLines/sec] |
2.33 |
2.43 |
1.94 |
3.69 |
3.70 |
127.29 |
80.04 |
Blit [MPixel/sec] |
8.12 |
100.49 |
38.68 |
53.75 |
32.56 |
435.02 |
398.84 |
Blit colorkeyed [MPixel/sec] |
1.63 |
102.16 |
39.19 |
58.69 |
32.54 |
445.20 |
421.97 |
Blit with format conversion [MPixel/sec] |
4.04 |
4.13 |
3.59 |
18.11 |
17.79 |
203.38 |
193.26 |
Blit from 32bit (alphachannel blend) [MPixel/sec] |
1.05 |
1.05 |
0.82 |
2.71 |
2.71 |
171.32 |
158.10 |
Blit from 8bit palette [MPixel/sec] |
3.54 |
2.35 |
3.20 |
17.40 |
17.38 |
17.28 |
95.17 |
Blit from 8bit palette (alphachannel blend) [MPixel/sec] |
1.02 |
0.90 |
0.81 |
2.67 |
2.71 |
3.55 |
5.53 |
Stretch Blit [MPixel/sec] |
12.17 |
83.50 |
7.06 |
83.50 |
47.61 |
210.32 |
220.77 |
Stretch Blit colorkeyed [MPixel/sec] |
7.46 |
7.43 |
4.20 |
46.17 |
46.30 |
211.97 |
221.64 |
After enabling 2D acceleration in A' environment, graphics benchmark score becomes better.
It looks like even embedded processor like SH-4 can be used when DirectFb can utilize H/W drawing power through graphics libraly. So graphics libraly would be essential stuff in graphics system.