[dpdk-dev] Ability to/impact of running with smaller page sizes

2014-07-01 Thread Burakov, Anatoly
Hi Matt, > I'm curious - is it possible in practical terms to run DPDK without hugepages? Starting with release 1.7.0, support for VFIO was added, which allows using DPDK without hugepages at al (including RX/TX rings) via the --no-huge command-line parameter. Bear in mind though that you'll h

[dpdk-dev] Ability to/impact of running with smaller page sizes

2014-07-01 Thread Ananyev, Konstantin
Hi, > Hi Matt, > > On Mon, Jun 30, 2014 at 05:43:39PM -0500, Matt Laswell wrote: > > Hey Folks, > > > > In my application, I'm seeing some design considerations in a project > > I'm working on that push me towards the use of smaller memory page > > sizes. I'm curious - is it possible in practica

[dpdk-dev] Ability to/impact of running with smaller page sizes

2014-07-01 Thread Liu, Jijiang
Hi Matt, On Mon, Jun 30, 2014 at 05:43:39PM -0500, Matt Laswell wrote: > Hey Folks, > > In my application, I'm seeing some design considerations in a project > I'm working on that push me towards the use of smaller memory page > sizes. I'm curious - is it possible in practical terms to run DPD

[dpdk-dev] Ability to/impact of running with smaller page sizes

2014-07-01 Thread Matt Laswell
Thanks everybody, It sounds as though what I'm looking for may be possible, especially with 1.7, but will require some tweaking and there will most definitely be a performance hit. That's great information. This is still just an experiment for us, and it's not at all guaranteed that I'm going to

[dpdk-dev] Ability to/impact of running with smaller page sizes

2014-06-30 Thread Matt Laswell
Hey Folks, In my application, I'm seeing some design considerations in a project I'm working on that push me towards the use of smaller memory page sizes. I'm curious - is it possible in practical terms to run DPDK without hugepages? If so, does anybody have any practical experience (or a back-o

[dpdk-dev] Ability to/impact of running with smaller page sizes

2014-06-30 Thread Jeff Shaw
Hi Matt, On Mon, Jun 30, 2014 at 05:43:39PM -0500, Matt Laswell wrote: > Hey Folks, > > In my application, I'm seeing some design considerations in a project I'm > working on that push me towards the use of smaller memory page sizes. I'm > curious - is it possible in practical terms to run DPDK