Re: [openib-general] ibstatus support for speed

2006-10-31 Thread Michael Krause
At 02:43 PM 10/30/2006, Hal Rosenstock wrote: >On Mon, 2006-10-30 at 17:29, Michael Krause wrote: > > At 02:05 PM 10/30/2006, Roland Dreier wrote: > > > Hal> So rate = speed * width ? > > > > > >Yes, you should see the right think on DDR systems etc. > > > > Strange. Bandwidth = signaling rate

Re: [openib-general] ibstatus support for speed

2006-10-30 Thread Hal Rosenstock
On Mon, 2006-10-30 at 17:29, Michael Krause wrote: > At 02:05 PM 10/30/2006, Roland Dreier wrote: > > Hal> So rate = speed * width ? > > > >Yes, you should see the right think on DDR systems etc. > > Strange. Bandwidth = signaling rate * width. This of course is raw > bandwidth prior to en

Re: [openib-general] ibstatus support for speed

2006-10-30 Thread Michael Krause
At 02:05 PM 10/30/2006, Roland Dreier wrote: > Hal> So rate = speed * width ? > >Yes, you should see the right think on DDR systems etc. Strange. Bandwidth = signaling rate * width. This of course is raw bandwidth prior to encoding, protocol, etc. overheads which will derate the effective

Re: [openib-general] ibstatus support for speed

2006-10-30 Thread Roland Dreier
Hal> So rate = speed * width ? Yes, you should see the right think on DDR systems etc. - R. ___ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org

Re: [openib-general] ibstatus support for speed

2006-10-30 Thread Hal Rosenstock
On Mon, 2006-10-30 at 16:55, Roland Dreier wrote: > > Should support for speed be added to ibstatus ? > > What is "speed"? Is that something beyond the existing "rate" line: > > > rate:10 Gb/sec (4X) So rate = speed * width ? -- Hal > - R.

Re: [openib-general] ibstatus support for speed

2006-10-30 Thread Roland Dreier
> Should support for speed be added to ibstatus ? What is "speed"? Is that something beyond the existing "rate" line: > rate:10 Gb/sec (4X) - R. ___ openib-general mailing list openib-general@openib.org http://openib.org/mailma

[openib-general] ibstatus support for speed

2006-10-30 Thread Hal Rosenstock
Should support for speed be added to ibstatus ? Infiniband device 'mthca0' port 1 status: default gid: fe80::::0008:f104:0396:0559 base lid:0xa sm lid: 0xa state: 1: DOWN phys state: 2: Polling rate: