Re: [dpdk-dev] [PATCH 0/7] support VIRTIO_F_IN_ORDER feature

2018-06-07 Thread Liu, Yong
Sorry, add missing loopback performance comparison. +-+--+++ |Loopback |1 Queue |2 Queues|4 Queues| +-+--+++ |Inorder |6.2Mpps |9.5 ~ 11.9Mpps |10.6 ~ 11.3Mpps |

[dpdk-dev] [PATCH 0/7] support VIRTIO_F_IN_ORDER feature

2018-06-07 Thread Marvin Liu
In latest virtio-spec, new feature bit VIRTIO_F_IN_ORDER was introduced. When this feature has been negotiated, virtio driver will use descriptors in ring order: starting from offset 0 in the table, and wrapping around at the end of the table. Vhost devices will always use descriptors in the same o