From: Alex Kiselev <alex@therouter.net>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
Bruce Richardson <bruce.richardson@intel.com>
Subject: Re: [dpdk-dev] [PATCH v3 1/2] librte_lpm: Improve performance of the delete and add functions
Date: Mon, 16 Jul 2018 20:34:45 +0300 [thread overview]
Message-ID: <873586679.20180716203445@therouter.net> (raw)
In-Reply-To: <20180711133025.256a8ae1@xeon-e3>
> On Wed, 11 Jul 2018 20:53:46 +0300
> Alex Kiselev <alex@therouter.net> wrote:
>> librte_lpm: Improve lpm6 performance
>> Rework the lpm6 rule subsystem and replace
>> current rules algorithm complexity O(n)
>> with hashtables which allow dealing with
>> large (50k) rule sets.
> Wouldn't it make more sense to use something like tree, and use left/right
> in the rules entry. That way the memory is spread and scales with the number
> of rules.
I guess you are trying to propose using a radix tree. I agree, it uses memory
more efficient than hashtable. But, it would require to add a new dpdk library implementing a
radix tree, then we can talk about using it as a lpm rule storage.
--
Alex
next prev parent reply other threads:[~2018-07-16 17:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180711175356.035761B462@dpdk.org>
2018-07-11 20:30 ` Stephen Hemminger
2018-07-12 9:29 ` Alex Kiselev
2018-07-16 8:10 ` Alex Kiselev
2018-07-16 17:34 ` Alex Kiselev [this message]
2018-07-16 17:50 ` Stephen Hemminger
2018-07-11 17:53 Alex Kiselev
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