Re: [E1000-devel] ixgbe: Performance degradation due to v3.5-rc1-478-g1d1a79b

2012-11-27 Thread Keller, Jacob E
> -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

Re: [E1000-devel] ixgbe: Performance degradation due to v3.5-rc1-478-g1d1a79b

2012-11-27 Thread Alexander Duyck
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

Re: [E1000-devel] ixgbe: Performance degradation due to v3.5-rc1-478-g1d1a79b

2012-11-27 Thread Keller, Jacob E
> -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 > > >

Re: [E1000-devel] ixgbe: Performance degradation due to v3.5-rc1-478-g1d1a79b

2012-11-27 Thread Keller, Jacob E
> -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

Re: [E1000-devel] ixgbe: Performance degradation due to v3.5-rc1-478-g1d1a79b

2012-11-27 Thread Richard Cochran
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

[E1000-devel] ixgbe: Performance degradation due to v3.5-rc1-478-g1d1a79b

2012-11-12 Thread Andrey Wagin
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