Messages in this thread | | | Subject | RE: InfiniBand BOF @ LSM - topics of interest | Date | Tue, 14 May 2002 13:19:13 -0700 | From | <> |
| |
> > On 2002-05-14T00:42:07, > > Alan Cox <alan@lxorguk.ukuu.org.uk> said: > > > > > Kernel mode RPC over infiniband - relevant to mosix type > stuff, to McVoy > > > scalable cluster type stuff and also to things like file > system offload > > > > For that, a generic comm interface would be a good thing to > have first. > > It has to be fast, nonblocking and kernel callable. Cluster > people count > individual microseconds so its base layers must be extremely efficient > even if there are "easy use" layers above. The obvious "easy > use" layer being > IP over infiniband. >
I like to see user application such as VNC, SAMBA build directly on top of IB API. I have couple of IB cards that can send 10k 32KBytes message (320MB of data) every ~1 second over 1x link with only <7% CPU usage (single CPU xeon 700MHz). I was very impressed.
Go thru the socket layer API would just slow thing down.
With IB bandwidth faster than standard 32/33MHZ PCI, one might run DOOM over VNC over IB on remote computer faster than a normal PC running DOOM locally....
One might create a OS that miror the complete process state info (replicate all the modified page) everytime that process is schedule out.
---------------------------------------------------------------- Tony Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |