[openib-general] FMR and how they work

[Libor Michalek]

On Mon, May 02, 2005 at 01:37:00PM -0700, Caitlin Bestler wrote:
> What advantages is this style of fast memory register supposed to
> have over the work request style found in IB 1.2 and iWARP?

  It's faster since all you're doing is rewriting the device's
page table mapping. It would be interesting to see benchmark
results if anyone has them.

> How is this style of fast memory register supposed to be utilized
> from DAPL or ITAPI when they both assume work requests?

  It has yet to come up, so far all the consumers are written
directly to IB kernel verbs.

-Libor