Messages in this thread |  | | | Subject | Re: [RFC PATCH v8 00/16] Provide a zero-copy method on KVM virtio-net. | | From | Shirley Ma <> | | Date | Mon, 02 Aug 2010 09:04:35 -0700 |
| |
Hello Michael,
On Sun, 2010-08-01 at 11:31 +0300, Michael S. Tsirkin wrote: > I think we should explore the idea for the driver to fall back on data > copy > for small message sizes. > The benefit of zero copy would then be CPU utilization on large > messages.
Yes, we used to have 128 bytes for small copy in other driver. I saw Xiaohui's patch here is using 64 bytes. I think we need to compare the performance on different platform to decide what's the best for small message size.
Thanks Shirley
|  |