[Cake] [LEDE-DEV] Cake SQM killing my DIR-860L - was: [17.01] Kernel: bump to 4.4.51

Jonathan Morton chromatix99 at gmail.com
Thu Mar 2 19:02:51 EST 2017


> On 3 Mar, 2017, at 01:55, John Yates <john at yates-sheets.org> wrote:
> 
> The virtue of a prime number of buckets is that when you mod
> your 32-bit hash value to get a bucket index you harvest _all_
> of the entropy in the hash, not just the entropy in the bits you
> preserve.

True, but you incur the cost of a division, which is very much non-trivial on ARM CPUs, which are increasingly common in CPE.

 - Jonathan Morton



More information about the Cake mailing list