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- Speed
- =====
- CyBlaFB is much faster than tridentfb and vesafb. Compare the performance data
- for mode 1280x1024-[8,16,32]@61 Hz.
- Test 1: Cat a file with 2000 lines of 0 characters.
- Test 2: Cat a file with 2000 lines of 80 characters.
- Test 3: Cat a file with 2000 lines of 160 characters.
- All values show system time use in seconds, kernel 2.6.12 was used for
- the measurements. 2.6.13 is a bit slower, 2.6.14 hopefully will include a
- patch that speeds up kernel bitblitting a lot ( > 20%).
- +-----------+-----------------------------------------------------+
- | | not accelerated |
- | TRIDENTFB +-----------------+-----------------+-----------------+
- | of 2.6.12 | 8 bpp | 16 bpp | 32 bpp |
- | | noypan | ypan | noypan | ypan | noypan | ypan |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Test 1 | 4.31 | 4.33 | 6.05 | 12.81 | ---- | ---- |
- | Test 2 | 67.94 | 5.44 | 123.16 | 14.79 | ---- | ---- |
- | Test 3 | 131.36 | 6.55 | 240.12 | 16.76 | ---- | ---- |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Comments | | | completely bro- |
- | | | | ken, monitor |
- | | | | switches off |
- +-----------+-----------------+-----------------+-----------------+
- +-----------+-----------------------------------------------------+
- | | accelerated |
- | TRIDENTFB +-----------------+-----------------+-----------------+
- | of 2.6.12 | 8 bpp | 16 bpp | 32 bpp |
- | | noypan | ypan | noypan | ypan | noypan | ypan |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Test 1 | ---- | ---- | 20.62 | 1.22 | ---- | ---- |
- | Test 2 | ---- | ---- | 22.61 | 3.19 | ---- | ---- |
- | Test 3 | ---- | ---- | 24.59 | 5.16 | ---- | ---- |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Comments | broken, writing | broken, ok only | completely bro- |
- | | to wrong places | if bgcolor is | ken, monitor |
- | | on screen + bug | black, bug in | switches off |
- | | in fillrect() | fillrect() | |
- +-----------+-----------------+-----------------+-----------------+
- +-----------+-----------------------------------------------------+
- | | not accelerated |
- | VESAFB +-----------------+-----------------+-----------------+
- | of 2.6.12 | 8 bpp | 16 bpp | 32 bpp |
- | | noypan | ypan | noypan | ypan | noypan | ypan |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Test 1 | 4.26 | 3.76 | 5.99 | 7.23 | ---- | ---- |
- | Test 2 | 65.65 | 4.89 | 120.88 | 9.08 | ---- | ---- |
- | Test 3 | 126.91 | 5.94 | 235.77 | 11.03 | ---- | ---- |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Comments | vga=0x307 | vga=0x31a | vga=0x31b not |
- | | fh=80kHz | fh=80kHz | supported by |
- | | fv=75kHz | fv=75kHz | video BIOS and |
- | | | | hardware |
- +-----------+-----------------+-----------------+-----------------+
- +-----------+-----------------------------------------------------+
- | | accelerated |
- | CYBLAFB +-----------------+-----------------+-----------------+
- | | 8 bpp | 16 bpp | 32 bpp |
- | | noypan | ypan | noypan | ypan | noypan | ypan |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Test 1 | 8.02 | 0.23 | 19.04 | 0.61 | 57.12 | 2.74 |
- | Test 2 | 8.38 | 0.55 | 19.39 | 0.92 | 57.54 | 3.13 |
- | Test 3 | 8.73 | 0.86 | 19.74 | 1.24 | 57.95 | 3.51 |
- +-----------+--------+--------+--------+--------+--------+--------+
- | Comments | | | |
- | | | | |
- | | | | |
- | | | | |
- +-----------+-----------------+-----------------+-----------------+
|
