[Cake] small cake_hash optimization?

Pete Heist peteheist at gmail.com
Wed Nov 22 07:37:38 EST 2017

> 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…

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