> -Original Message-
> From: Duyck, Alexander H
> Sent: Tuesday, November 27, 2012 11:08 AM
> To: Richard Cochran
> Cc: Andrey Wagin; Keller, Jacob E; e1000-devel@lists.sourceforge.net;
> Schmitt, Phillip J
> Subject: Re: [E1000-devel] ixgbe: Performance degradation d
On 11/27/2012 10:50 AM, Richard Cochran wrote:
> On Tue, Nov 13, 2012 at 12:33:03AM +0400, Andrey Wagin wrote:
>
>> I found that this test returns 372293 req/sec without a problematic patch
>> and only 334911 req/sec with this patch. A degradation is about 10%.
> Wow, that seems a little high. Are
> -Original Message-
> From: Keller, Jacob E
> Sent: Tuesday, November 27, 2012 11:00 AM
> To: Richard Cochran; Andrey Wagin
> Cc: Schmitt, Phillip J; Kirsher, Jeffrey T; e1000-
> de...@lists.sourceforge.net
> Subject: RE: ixgbe: Performance degradation due to v3.5-rc1-478-g1d1a79b
>
>
>
> -Original Message-
> From: Richard Cochran [mailto:richardcoch...@gmail.com]
> Sent: Tuesday, November 27, 2012 10:50 AM
> To: Andrey Wagin
> Cc: Keller, Jacob E; Schmitt, Phillip J; Kirsher, Jeffrey T; e1000-
> de...@lists.sourceforge.net
> Subject: Re: ixgbe: Performance degradation due
On Tue, Nov 13, 2012 at 12:33:03AM +0400, Andrey Wagin wrote:
> I found that this test returns 372293 req/sec without a problematic patch
> and only 334911 req/sec with this patch. A degradation is about 10%.
Wow, that seems a little high. Are you sure?
> commit 1d1a79b5b94b0aa84e1e78dd9acdcffb
The request-response test case is used for testing.
A test stand has two hosts: a client and a server.
Client: Xeon X7560 (4 cpu * 8 cores * 2 threads), RAM 256Gb, RHEL 6
Server: Xeon X7550 (4 cpu * 8 cores * 2 threads), RAM 128Gb, RHEL 6 with
custom kernel (CONFIG_NR_CPUS=4)
The server side confi