From: "Martin Drašar" <drasar@ics.muni.cz>
Cc: dev@dpdk.org
Subject: Re: Broken RSS hash computation on Intel 82574L
Date: Tue, 1 Sep 2015 17:00:41 +0200 [thread overview]
Message-ID: <55E5BD99.1000907@ics.muni.cz> (raw)
In-Reply-To: <55E5BB28.1090009@cloudius-systems.com>
Dne 1.9.2015 v 16:50 Avi Kivity napsal(a):
> On 09/01/2015 05:47 PM, Matthew Hall wrote:
>> RSS calculations are used to direct packets across multiple RX queues.
>> With
>> only one RX queue it cannot possibly increase performance by enabling it.
>>
>
> As an example, seastar uses the RSS hash computed by the NIC to select a
> core to process on, if the number of hardware queues is smaller than the
> number of cores.
Yep, we use the hash for pairing of flows and other more complicated
packet processing.
next prev parent reply other threads:[~2015-09-01 15:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 12:15 Broken RSS hash computation on Intel 82574L Martin Drašar
2015-09-01 13:45 ` De Lara Guarch, Pablo
2015-09-01 14:37 ` Martin Drašar
2015-09-01 14:47 ` Matthew Hall
2015-09-01 14:50 ` Avi Kivity
2015-09-01 15:00 ` Martin Drašar [this message]
2015-09-01 15:19 ` Jim Thompson
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