Re: a preliminary report of NET_MPSAFE bridge and if_wm multiqueue PoC performance

[christos%astron.com@localhost (Christos Zoulas)]

In article <54B4E307.1020204%iij.ad.jp@localhost>,
Kengo NAKAHARA  <k-nakahara%iij.ad.jp@localhost> wrote:
>Hi,
>
>I wrote if_wm multiqueue PoC using my MSI/MSI-X prototype.
># Here is MSI/MSI-X prototype memo
>#     http://mail-index.netbsd.org/tech-kern/2014/11/07/msg017897.html
>
>Here is the PoC, which include ozaki-r@n.o's work NET_MPSAFE if_bridge code.
>   
>https://github.com/knakahara/netbsd-src/tree/k-nakahara-work/if_wm-bridge-measurement
># Because I haven't written xen support code, this code cannot release build...
>
>Furthermore, I measured the performance of the kernel, which is built
>above code with enabling "options NET_MPSAFE"("NET_MPSAFE PoC kernel").
>The measurement environment is below.
>    + Device under target (DUT)
>      + supermicro A1SRi-2758F
>        - 8core Atom C2578
>        - I354 ethernet controller x4
>    - DUT used as bridge between 2 NIC
>    - The traffic is bi-directional UDP over DUT
>
>Here is the preliminary report.
>    http://www.netbsd.org/~knakahara/bridge-mpsafe/Mbps.png

Very nice!

christos