From: John Yates <john@yates-sheets.org>
To: "Dave Täht" <dave@taht.net>
Cc: lede-dev@lists.infradead.org, cake@lists.bufferbloat.net
Subject: Re: [Cake] [LEDE-DEV] Cake SQM killing my DIR-860L - was: [17.01] Kernel: bump to 4.4.51
Date: Thu, 2 Mar 2017 18:16:30 -0500 [thread overview]
Message-ID: <CAJnXXojvcbxcFwYXem9nR=25eg5O9S6BNyiE+mo0LwWWeWJ8RA@mail.gmail.com> (raw)
In-Reply-To: <d946a3b2-88d9-f2fe-44d5-c2104fc3e0cf@taht.net>
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On Thu, Mar 2, 2017 at 4:10 PM, Dave Täht <dave@taht.net> wrote:
> As for speeding up hashing, I've been looking over various algorithms to
> do that for years now, I'm open to suggestions. The fastest new ones
> tend to depend on co-processor support. The fastest I've seen relies on
> the CRC32 instruction which is only in some intel platforms.
>
This is an area where I have a fair amount of experience...
What are the requirements for this hashing function?
- How much data is being hashed? I am guessing a limited number of bytes
rather than an entire packet payload.
- What is the typical number of hash table buckets? Is it prime or a power
of 2?
/john
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next prev parent reply other threads:[~2017-03-02 23:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <e955b05f85fea5661cfe306be0a28250@inventati.org>
[not found] ` <07479F0A-40DD-44E5-B67E-28117C7CF228@gmx.de>
[not found] ` <1488400107.3610.1@smtp.autistici.org>
[not found] ` <2B251BF1-C965-444D-A831-9981861E453E@gmx.de>
[not found] ` <1488484262.16753.0@smtp.autistici.org>
2017-03-02 21:10 ` Dave Täht
2017-03-02 23:16 ` John Yates [this message]
2017-03-03 0:00 ` Jonathan Morton
2017-03-02 23:55 ` John Yates
2017-03-03 0:02 ` Jonathan Morton
2017-03-03 4:31 ` Eric Luehrsen
2017-03-03 4:35 ` Jonathan Morton
2017-03-03 5:00 ` Eric Luehrsen
2017-03-03 5:49 ` Jonathan Morton
2017-03-03 6:21 ` Dave Taht
2017-03-06 13:30 ` Benjamin Cronce
2017-03-06 14:44 ` Jonathan Morton
2017-03-06 18:08 ` Benjamin Cronce
2017-03-06 18:46 ` Jonathan Morton
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