Re: [PATCH v4] vhost: support CPU copy for small packets

2024-10-03 Thread Stephen Hemminger
On Mon, 29 Aug 2022 08:56:58 +0800 Wenwu Ma wrote: > Offloading small packets to DMA degrades throughput 10%~20%, > and this is because DMA offloading is not free and DMA is not > good at processing small packets. In addition, control plane > packets are usually small, and assign those packets to

RE: [PATCH v4] vhost: support CPU copy for small packets

2022-09-27 Thread Morten Brørup
> From: Ma, WenwuX [mailto:wenwux...@intel.com] > Sent: Tuesday, 27 September 2022 09.32 > > > From: Morten Brørup > > Sent: 2022年9月7日 22:47 > > > > > From: Wenwu Ma [mailto:wenwux...@intel.com] > > > Sent: Monday, 29 August 2022 02.57 > > > > > > Offloading small packets to DMA degrades throughp

RE: [PATCH v4] vhost: support CPU copy for small packets

2022-09-27 Thread Ma, WenwuX
heng1 ; Wang, YuanX > Subject: RE: [PATCH v4] vhost: support CPU copy for small packets > > > From: Wenwu Ma [mailto:wenwux...@intel.com] > > Sent: Monday, 29 August 2022 02.57 > > > > Offloading small packets to DMA degrades throughput 10%~20%, and this >

RE: [PATCH v4] vhost: support CPU copy for small packets

2022-09-07 Thread Morten Brørup
> From: Wenwu Ma [mailto:wenwux...@intel.com] > Sent: Monday, 29 August 2022 02.57 > > Offloading small packets to DMA degrades throughput 10%~20%, > and this is because DMA offloading is not free and DMA is not > good at processing small packets. In addition, control plane > packets are usually s