All of lore.kernel.org
 help / color / mirror / Atom feed
From: Rick Jones <rick.jones2@hp.com>
To: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"yevgenyp@mellanox.co.il" <yevgenyp@mellanox.co.il>,
	"ogerlitz@mellanox.com" <ogerlitz@mellanox.com>,
	"amirv@mellanox.com" <amirv@mellanox.com>,
	"brking@linux.vnet.ibm.com" <brking@linux.vnet.ibm.com>,
	"leitao@linux.vnet.ibm.com" <leitao@linux.vnet.ibm.com>,
	"klebers@linux.vnet.ibm.com" <klebers@linux.vnet.ibm.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"anton@samba.org" <anton@samba.org>
Subject: Re: [PATCH] mlx4_en: map entire pages to increase throughput
Date: Mon, 16 Jul 2012 12:42:41 -0700	[thread overview]
Message-ID: <50046EB1.5040909@hp.com> (raw)
In-Reply-To: <20120716190611.GA1023@oc1711230544.ibm.com>

On 07/16/2012 12:06 PM, Thadeu Lima de Souza Cascardo wrote:
> On Mon, Jul 16, 2012 at 10:27:57AM -0700, Rick Jones wrote:
>
>> What is the effect on packet-per-second performance?  (eg aggregate,
>> burst-mode netperf TCP_RR with TCP_NODELAY set or perhaps UDP_RR)
>>
> I used uperf with TCP_NODELAY and 16 threads sending from another
> machine 64000-sized writes for 60 seconds.
>
> I get 5898op/s (3.02Gb/s) without the patch against 18022ops/s
> (9.23Gb/s) with the patch.

I was thinking more along the lines of an additional comparison, 
explicitly using netperf TCP_RR or something like it, not just the 
packets per second from a bulk transfer test.

rick

WARNING: multiple messages have this Message-ID (diff)
From: Rick Jones <rick.jones2@hp.com>
To: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"leitao@linux.vnet.ibm.com" <leitao@linux.vnet.ibm.com>,
	"amirv@mellanox.com" <amirv@mellanox.com>,
	"yevgenyp@mellanox.co.il" <yevgenyp@mellanox.co.il>,
	"klebers@linux.vnet.ibm.com" <klebers@linux.vnet.ibm.com>,
	"anton@samba.org" <anton@samba.org>,
	"brking@linux.vnet.ibm.com" <brking@linux.vnet.ibm.com>,
	"ogerlitz@mellanox.com" <ogerlitz@mellanox.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"davem@davemloft.net" <davem@davemloft.net>
Subject: Re: [PATCH] mlx4_en: map entire pages to increase throughput
Date: Mon, 16 Jul 2012 12:42:41 -0700	[thread overview]
Message-ID: <50046EB1.5040909@hp.com> (raw)
In-Reply-To: <20120716190611.GA1023@oc1711230544.ibm.com>

On 07/16/2012 12:06 PM, Thadeu Lima de Souza Cascardo wrote:
> On Mon, Jul 16, 2012 at 10:27:57AM -0700, Rick Jones wrote:
>
>> What is the effect on packet-per-second performance?  (eg aggregate,
>> burst-mode netperf TCP_RR with TCP_NODELAY set or perhaps UDP_RR)
>>
> I used uperf with TCP_NODELAY and 16 threads sending from another
> machine 64000-sized writes for 60 seconds.
>
> I get 5898op/s (3.02Gb/s) without the patch against 18022ops/s
> (9.23Gb/s) with the patch.

I was thinking more along the lines of an additional comparison, 
explicitly using netperf TCP_RR or something like it, not just the 
packets per second from a bulk transfer test.

rick

  reply	other threads:[~2012-07-16 19:42 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-16 17:01 [PATCH] mlx4_en: map entire pages to increase throughput Thadeu Lima de Souza Cascardo
2012-07-16 17:27 ` Rick Jones
2012-07-16 19:06   ` Thadeu Lima de Souza Cascardo
2012-07-16 19:06     ` Thadeu Lima de Souza Cascardo
2012-07-16 19:42     ` Rick Jones [this message]
2012-07-16 19:42       ` Rick Jones
2012-07-16 20:36       ` Or Gerlitz
2012-07-16 20:36         ` Or Gerlitz
2012-07-16 20:43       ` Or Gerlitz
2012-07-16 20:43         ` Or Gerlitz
2012-07-16 20:57         ` Thadeu Lima de Souza Cascardo
2012-07-16 20:57           ` Thadeu Lima de Souza Cascardo
2012-07-18 14:59           ` Or Gerlitz
2012-07-18 14:59             ` Or Gerlitz
2012-07-16 20:47       ` Thadeu Lima de Souza Cascardo
2012-07-16 20:47         ` Thadeu Lima de Souza Cascardo
2012-07-16 21:08         ` Rick Jones
2012-07-16 21:08           ` Rick Jones
2012-07-17  5:29   ` David Miller
2012-07-17 12:42     ` David Laight
2012-07-17 12:50       ` David Miller
2012-07-17 13:36         ` David Laight
2012-07-17 13:46           ` David Miller
2012-07-17 13:50         ` Eric Dumazet
2012-07-17 18:17     ` Rick Jones
2012-07-17 20:10       ` Brian King
2012-07-17 20:20         ` David Miller
2012-07-19 17:53 ` David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=50046EB1.5040909@hp.com \
    --to=rick.jones2@hp.com \
    --cc=amirv@mellanox.com \
    --cc=anton@samba.org \
    --cc=brking@linux.vnet.ibm.com \
    --cc=cascardo@linux.vnet.ibm.com \
    --cc=davem@davemloft.net \
    --cc=klebers@linux.vnet.ibm.com \
    --cc=leitao@linux.vnet.ibm.com \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=netdev@vger.kernel.org \
    --cc=ogerlitz@mellanox.com \
    --cc=yevgenyp@mellanox.co.il \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.