Date: Mon, 26 Oct 2015 16:08:46 +0000 From: "Pieper, Jeffrey E" <jeffrey.e.pieper@intel.com> To: "Eggert, Lars" <lars@netapp.com> Cc: Kevin Oberman <rkoberman@gmail.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Daniel Engberg <daniel.engberg.lists@pyret.net> Subject: RE: ixl 40G bad performance? Message-ID: <2A35EA60C3C77D438915767F458D6568807F2D52@ORSMSX111.amr.corp.intel.com> In-Reply-To: <99E53825-99F8-4E82-A710-6BC07B123F77@netapp.com> References: <5aae0ee63c44627223d5d179f1901d00@pyret.net> <CAN6yY1t9Tw0j=uwaw1GK47r5=F-zeuz2hps_Ez3Y_QC-QSAGKA@mail.gmail.com> <0E4C2D93-FBAF-48CB-A704-499ABFC892B9@netapp.com> <2A35EA60C3C77D438915767F458D6568807F2A8A@ORSMSX111.amr.corp.intel.com> <99E53825-99F8-4E82-A710-6BC07B123F77@netapp.com>
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-----Original Message----- From: Eggert, Lars [mailto:lars@netapp.com]=20 Sent: Monday, October 26, 2015 8:08 AM To: Pieper, Jeffrey E <jeffrey.e.pieper@intel.com> Cc: Kevin Oberman <rkoberman@gmail.com>; freebsd-net@freebsd.org; Daniel En= gberg <daniel.engberg.lists@pyret.net> Subject: Re: ixl 40G bad performance? On 2015-10-26, at 15:38, Pieper, Jeffrey E <jeffrey.e.pieper@intel.com> wro= te: > With the latest ixl component from: https://downloadcenter.intel.com/down= load/25160/Network-Adapter-Driver-for-PCI-E-40-Gigabit-Network-Connections-= under-FreeBSD- >=20 > running on 10.2 amd64, I easily get 9.6 Gb/s with one netperf stream, eit= her b2b or through a switch. This is with no driver/kernel tuning. Running = 4 streams easily gets me 36 GB/s. > >Thanks, will test! > >If the newer driver makes a difference, any chance we'll see it in -HEAD s= oon? > >Lars As a caveat, this was using default netperf message sizes.=20 Jeff
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