nanog: Comparison of freeware open source switch software?

[Hank Nussbacher <hank () efes iucc ac il>]

I have seen numerous comparisons and RIPE presentations on performance
issues of BIRD vs Quagga vs FRR.

I am looking for the same thing for freeware switch software.
Has anyone done a feature comparison between:
http://openvswitch.org/
https://www.openswitch.net/
https://cumulusnetworks.com/products/cumulus-linux/
...any other I am missing...

I am familiar with:
http://packetpushers.net/open-networking-cheat-sheet/
https://www.networkworld.com/article/2919599/cisco-subnet/clearing-the-fog-around-open-switching-terminology.html
so to clarify I am interested only in bare-metal or whitebox swicthes
and freeware, open source software.

And even better - has anyone done a benchmark to see which performs best?

Thanks,
Hank