[Cake] small cake_hash optimization?

[Pete Heist]

> On Nov 22, 2017, at 11:06 AM, Pete Heist <peteheist at gmail.com> wrote:
> 
> I’ve not done any testing on what the real impact of this change would be, or even if it breaks something.

Ok, at least a little crude testing with sar:

https://docs.google.com/spreadsheets/d/1LKoq5NaswuHm9H1atXoZA1AhNDg6L4UYS3Pn5lCsb1I/edit#gid=0 <https://docs.google.com/spreadsheets/d/1LKoq5NaswuHm9H1atXoZA1AhNDg6L4UYS3Pn5lCsb1I/edit#gid=0>

~10% less cake CPU at GigE in this case? What’s a better tool for timing kernel module functions?

Would really need to test if host fairness still works, otherwise this is irrelevant…

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.bufferbloat.net/pipermail/cake/attachments/20171122/b54a9706/attachment-0001.html>