On Fri, Nov 13, 2009 at 01:53:08PM -0800, Xin LI wrote: [...] > > I'm interesting in performance changes before/after the diff and > > any regressions from the diff. Please test I'll commit the diff > > next week unless I get regressions. > > So far I have not seen regressions after bge.tso.1111-1.diff . I have > not done any benchmarks though, never imagined my laptop is equipped > with TSO :) > > [delphij_at_delta] /usr/src/sys/net> ifconfig bge0 > bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=19b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4> > AFAIK bge(4) was the only driver that lacks TSO support for TSO capable hardwares.(I'm not sure whether et(4) controllers also have TSO capability though) You may notice better TCP bulk transfer performance as well as lower CPU load. Thanks for testing!Received on Sat Nov 14 2009 - 02:16:15 UTC
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