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Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use batching

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From: Andi Kleen
Subject: Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use batching
Date: Wednesday, October 10, 2007 - 2:16 am

> A 256 entry TX hw queue fills up trivially on 1GB and 10GB, but if you

With TSO really? 


Another possibility would be to consider using cache avoidance
instructions while updating the TX ring (e.g. write combining 
on x86) 

-Andi

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Messages in current thread:
[PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 11:26 am)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Mon Oct 8, 12:46 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 1:48 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 2:26 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Mon Oct 8, 3:33 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 3:34 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Mon Oct 8, 3:36 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 4:40 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Mon Oct 8, 6:13 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Mon Oct 8, 6:31 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 6:41 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:01 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:03 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:04 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Mon Oct 8, 7:12 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 7:14 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 7:15 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:16 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:16 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 7:19 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:20 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:43 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:45 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:46 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:46 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:47 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Krishna Kumar2, (Tue Oct 9, 3:58 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 4:02 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Krishna Kumar2, (Tue Oct 9, 4:20 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Krishna Kumar2, (Tue Oct 9, 4:21 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 4:24 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 5:44 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Tue Oct 9, 5:55 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 6:00 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Tue Oct 9, 9:51 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Stephen Hemminger, (Tue Oct 9, 11:22 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Tue Oct 9, 11:30 am)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Tue Oct 9, 11:48 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 12:04 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Tue Oct 9, 12:07 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 1:14 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 1:20 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Roland Dreier, (Tue Oct 9, 1:22 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 1:43 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 1:51 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Stephen Hemminger, (Tue Oct 9, 1:53 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 2:22 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 2:25 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Roland Dreier, (Tue Oct 9, 2:40 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., jamal, (Tue Oct 9, 2:56 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Roland Dreier, (Tue Oct 9, 3:44 pm)
[PATCH 1/4] IPoIB: Fix unused variable warning, Roland Dreier, (Tue Oct 9, 3:46 pm)
[PATCH 2/4] ibm_emac: Convert to use napi_struct independe ..., Roland Dreier, (Tue Oct 9, 3:47 pm)
[PATCH 3/4] ibm_new_emac: Nuke SET_MODULE_OWNER() use, Roland Dreier, (Tue Oct 9, 3:47 pm)
[PATCH 4/4] ibm_emac: Convert to use napi_struct independe ..., Roland Dreier, (Tue Oct 9, 3:48 pm)
Re: [ofa-general] [PATCH 4/4] ibm_emac: Convert to use nap ..., Roland Dreier, (Tue Oct 9, 3:51 pm)
Re: [PATCH 1/4] IPoIB: Fix unused variable warning, David Miller, (Tue Oct 9, 4:17 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 5:04 pm)
Re: [PATCH 1/4] IPoIB: Fix unused variable warning, Jeff Garzik, (Tue Oct 9, 5:32 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Tue Oct 9, 5:37 pm)
Re: [PATCH 1/4] IPoIB: Fix unused variable warning, Jeff Garzik, (Tue Oct 9, 5:47 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 5:50 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Wed Oct 10, 2:16 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 2:25 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Herbert Xu, (Wed Oct 10, 2:53 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Wed Oct 10, 3:23 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 3:44 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., jamal, (Wed Oct 10, 6:08 am)
RE: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Waskiewicz Jr, Peter P, (Wed Oct 10, 8:35 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Wed Oct 10, 9:02 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Bill Fink, (Wed Oct 10, 9:02 am)
RE: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Waskiewicz Jr, Peter P, (Wed Oct 10, 9:42 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 3:37 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 3:53 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Krishna Kumar2, (Wed Oct 10, 11:52 pm)
RE: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Brandeburg, Jesse, (Fri Oct 12, 9:08 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Stephen Hemminger, (Fri Oct 12, 10:05 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Fri Oct 12, 11:27 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Fri Oct 12, 11:29 am)