Re: [PATCH v2] net: Do not enable tx-nocache-copy by default

2014-01-07 Thread David Miller
From: Benjamin Poirier Date: Tue, 7 Jan 2014 10:11:10 -0500 > There are many cases where this feature does not improve performance or even > reduces it. > > For example, here are the results from tests that I've run using 3.12.6 on one > Intel Xeon W3565 and one i7 920 connected by ixgbe

[PATCH v2] net: Do not enable tx-nocache-copy by default

2014-01-07 Thread Benjamin Poirier
There are many cases where this feature does not improve performance or even reduces it. For example, here are the results from tests that I've run using 3.12.6 on one Intel Xeon W3565 and one i7 920 connected by ixgbe adapters. The results are from the Xeon, but they're similar on the i7. All

[PATCH v2] net: Do not enable tx-nocache-copy by default

2014-01-07 Thread Benjamin Poirier
There are many cases where this feature does not improve performance or even reduces it. For example, here are the results from tests that I've run using 3.12.6 on one Intel Xeon W3565 and one i7 920 connected by ixgbe adapters. The results are from the Xeon, but they're similar on the i7. All

Re: [PATCH v2] net: Do not enable tx-nocache-copy by default

2014-01-07 Thread David Miller
From: Benjamin Poirier bpoir...@suse.de Date: Tue, 7 Jan 2014 10:11:10 -0500 There are many cases where this feature does not improve performance or even reduces it. For example, here are the results from tests that I've run using 3.12.6 on one Intel Xeon W3565 and one i7 920 connected by