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Commit | Line | Data |
---|---|---|
9fa68eae KP |
1 | Speed |
2 | ===== | |
3 | ||
4 | CyBlaFB is much faster than tridentfb and vesafb. Compare the performance data | |
5 | for mode 1280x1024-[8,16,32]@61 Hz. | |
6 | ||
7 | Test 1: Cat a file with 2000 lines of 0 characters. | |
8 | Test 2: Cat a file with 2000 lines of 80 characters. | |
9 | Test 3: Cat a file with 2000 lines of 160 characters. | |
10 | ||
11 | All values show system time use in seconds, kernel 2.6.12 was used for | |
12 | the measurements. 2.6.13 is a bit slower, 2.6.14 hopefully will include a | |
13 | patch that speeds up kernel bitblitting a lot ( > 20%). | |
14 | ||
15 | +-----------+-----------------------------------------------------+ | |
16 | | | not accelerated | | |
17 | | TRIDENTFB +-----------------+-----------------+-----------------+ | |
18 | | of 2.6.12 | 8 bpp | 16 bpp | 32 bpp | | |
19 | | | noypan | ypan | noypan | ypan | noypan | ypan | | |
20 | +-----------+--------+--------+--------+--------+--------+--------+ | |
21 | | Test 1 | 4.31 | 4.33 | 6.05 | 12.81 | ---- | ---- | | |
22 | | Test 2 | 67.94 | 5.44 | 123.16 | 14.79 | ---- | ---- | | |
23 | | Test 3 | 131.36 | 6.55 | 240.12 | 16.76 | ---- | ---- | | |
24 | +-----------+--------+--------+--------+--------+--------+--------+ | |
25 | | Comments | | | completely bro- | | |
26 | | | | | ken, monitor | | |
27 | | | | | switches off | | |
28 | +-----------+-----------------+-----------------+-----------------+ | |
29 | ||
30 | ||
31 | +-----------+-----------------------------------------------------+ | |
32 | | | accelerated | | |
33 | | TRIDENTFB +-----------------+-----------------+-----------------+ | |
34 | | of 2.6.12 | 8 bpp | 16 bpp | 32 bpp | | |
35 | | | noypan | ypan | noypan | ypan | noypan | ypan | | |
36 | +-----------+--------+--------+--------+--------+--------+--------+ | |
37 | | Test 1 | ---- | ---- | 20.62 | 1.22 | ---- | ---- | | |
38 | | Test 2 | ---- | ---- | 22.61 | 3.19 | ---- | ---- | | |
39 | | Test 3 | ---- | ---- | 24.59 | 5.16 | ---- | ---- | | |
40 | +-----------+--------+--------+--------+--------+--------+--------+ | |
41 | | Comments | broken, writing | broken, ok only | completely bro- | | |
42 | | | to wrong places | if bgcolor is | ken, monitor | | |
43 | | | on screen + bug | black, bug in | switches off | | |
44 | | | in fillrect() | fillrect() | | | |
45 | +-----------+-----------------+-----------------+-----------------+ | |
46 | ||
47 | ||
48 | +-----------+-----------------------------------------------------+ | |
49 | | | not accelerated | | |
50 | | VESAFB +-----------------+-----------------+-----------------+ | |
51 | | of 2.6.12 | 8 bpp | 16 bpp | 32 bpp | | |
52 | | | noypan | ypan | noypan | ypan | noypan | ypan | | |
53 | +-----------+--------+--------+--------+--------+--------+--------+ | |
54 | | Test 1 | 4.26 | 3.76 | 5.99 | 7.23 | ---- | ---- | | |
55 | | Test 2 | 65.65 | 4.89 | 120.88 | 9.08 | ---- | ---- | | |
56 | | Test 3 | 126.91 | 5.94 | 235.77 | 11.03 | ---- | ---- | | |
57 | +-----------+--------+--------+--------+--------+--------+--------+ | |
58 | | Comments | vga=0x307 | vga=0x31a | vga=0x31b not | | |
59 | | | fh=80kHz | fh=80kHz | supported by | | |
60 | | | fv=75kHz | fv=75kHz | video BIOS and | | |
61 | | | | | hardware | | |
62 | +-----------+-----------------+-----------------+-----------------+ | |
63 | ||
64 | ||
65 | +-----------+-----------------------------------------------------+ | |
66 | | | accelerated | | |
67 | | CYBLAFB +-----------------+-----------------+-----------------+ | |
68 | | | 8 bpp | 16 bpp | 32 bpp | | |
69 | | | noypan | ypan | noypan | ypan | noypan | ypan | | |
70 | +-----------+--------+--------+--------+--------+--------+--------+ | |
71 | | Test 1 | 8.02 | 0.23 | 19.04 | 0.61 | 57.12 | 2.74 | | |
72 | | Test 2 | 8.38 | 0.55 | 19.39 | 0.92 | 57.54 | 3.13 | | |
73 | | Test 3 | 8.73 | 0.86 | 19.74 | 1.24 | 57.95 | 3.51 | | |
74 | +-----------+--------+--------+--------+--------+--------+--------+ | |
75 | | Comments | | | | | |
76 | | | | | | | |
77 | | | | | | | |
78 | | | | | | | |
79 | +-----------+-----------------+-----------------+-----------------+ |