Stefan,
I did finish the complete set of tests with my RTL8191SEvB Wireless LAN
Controller [10ec:8172] (rev 10). The results for the tests are as follows:
TCP_MAERTS:
kernel 3.0.4:
Results: TX: max 38.61, min 14.04. Mean 33.45(6.95)
RX: max 47.55, min 30.52. Mean 37.31(5.36)
3.1-rc4 - Mainline:
Results: TX: max 57.70, min 42.90. Mean 52.79(3.92)
RX: max 68.77, min 47.29. Mean 60.38(5.28)
3.1-rc4 - wireless-testing:
Results: TX: max 112.86, min 23.34. Mean 51.70(21.86)
RX: max 75.84, min 35.60. Mean 59.03(9.76)
TCP_STREAM:
Kernel 3.0.4:
Results: TX: max 43.94, min 15.74. Mean 32.29(6.93)
RX: max 36.01, min 30.75. Mean 34.29(1.75)
Kernel 3.1-rc4 from mainline:
Results: TX: max 59.73, min 23.48. Mean 47.59(12.33)
RX: max 49.89, min 25.14. Mean 38.26(7.32)
Kernel 3.1-rc4 from wireless-testing:
Results: TX: max 62.39, min 57.27. Mean 60.69(1.62)
RX: max 53.00, min 23.95. Mean 43.17(8.56)
TCP_SENDFILE:
Kernel 3.0.4:
Results: TX: max 30.06, min 20.21. Mean 28.36(2.87)
RX: max 38.28, min 29.56. Mean 34.36(2.79)
Kernel 3.1-rc4 from mainline:
Results: TX: max 70.25, min 2.64. Mean 42.59(18.30)
RX: max 44.85, min 33.12. Mean 40.83(4.04)
Kernel 3.1-rc4 from wireless-testing:
Results: TX: max 62.51, min 51.26. Mean 56.94(3.35)
RX: max 45.35, min 28.40. Mean 37.56(5.16)
It seems that kernel 3.1-rc4 from mainline is quite a bit faster than 3.0.4, but
I don't know why. The 3.1-rc4 driver from wireless-testing may be a bit quicker,
but the difference is not that great.
My next step will be to bisect the mainline tree to see if I can find a commit
that has a big effect. Please open a bug at bugzilla.kernel.org on this issue,
if you have not already done so, and send me the bug number.
Larry
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