Porting an MPI based appilcation on L4 feasible?

Adam Lackorzynski adam at os.inf.tu-dresden.de
Mon Apr 26 23:24:57 CEST 2010


On Sat Apr 24, 2010 at 16:12:07 -0400, Karthik Vadambacheri Manian wrote:
> 1) What do you mean by Fiasco is UP-only? I did not get it sorry.

We mean uni/multi processor.

> 2) Currently pingpong can be implemented by using L4 IPC between different
> L4 server threads in the same machine. But if we want to implement it
> between L4 server threads running on different machine, we need to user ORe
> network switch to send messages as currently MPI is not supported. Am I
> right?

We have no MPI runtime on the system, so for both ways, local and
remote, one is required. Looks like the more interesting one is the
remote one.

> 3) I found the L4 user manual by Alan Au & Gernot Heiser to be very
> informative. Can you point me on other resources to learn more about L4
> threads & IPCs, Networking on L4 and articles which are must read for
> knowing more on l4 microkernels.

Have a look at our lecture slides available at

Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/

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