There's an interesting video about speed: https://youtu.be/ne3svryuthI
On Jan 17, 2017 12:28 AM, "Marco Kwok" <maruko.k...@gmail.com> wrote: > Hello all, > > I wonder if anyone could get a relative low latency from dpdk on 1gb link. > > When using testpmd, an packet of 150 bytes is sent, packet is received by > the port and loopback to the sender. > I usually could get 50us for io forward. Sometime it can be as fast as 3us. > However it is too slow to be used for switching application. > > My test platform is on a intel NUC NUC5I5RYH, which has i5 5250U 1.6GHz, > 16GB DDR3 and i218-V network chip. dpdk 16.07.2 > > > I have done the following things try to get a better latency with no luck: > -setup 1G hugepages > -disable cpu frequency scaling to make sure cpu runs at max speed of 2.7GHz > -isolate a cpu core from kernel task scheduler by isolcpus > -setting the burst size of testpmd to 1 > > Guys, I really want your input. I don't need high throughput but low > latency. Does anyone of you have been able to achieve a lower latency with > dpdk? I don't see the advantage I have taken from dpdk now. > > Best, > Mark >