This will be useful for Swift for backend applications as this can open up use of C++ libs (in case native is lacking).

Anyone using Swift for high load production workloads yet?

According to https://youtu.be/UUOM4KdaHkY?t=1190, the older the faster.

I don't believe the 100us saving by using kernel bypass such as OpenOnLoad is truly accurate, its more like 5us.

https://support.solarflare.com/index.php?option=com_cognidox... (requires login)

I tend to filter information also using www.postrank.com for high volume sites such as the ones mentioned by OP.