On Sat, 23 Sep 2006, Andre Oppermann wrote:
Without patch:
87380 393216 393216 10.00 2163.08 100.00 19.35 3.787
1.466 Without patch + TSO:
87380 393216 393216 10.00 4367.18 71.54 42.07 1.342
1.578 With patch:
87380 393216 393216 10.01 1882.73 86.15 18.43 3.749
1.604 With patch + TSO:
87380 393216 393216 10.00 6961.08 47.69 60.11 0.561
1.415
The impact of TSO is clearly dramatic, especially when combined with the
patch, but I'm a bit concerned by the drop in performance in the patched
non-TSO case. For network cards which will always have TSO enabled, this
isn't an issue, but do we see a similar affect for drivers without TSO? What
can we put this drop down to?
Robert N M Watson
Computer Laboratory
University of Cambridge
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