On Friday, 18 Jun 2004 11:13, Bogdan Costescu wrote:
> This message would have been much more appropriate something like 2
> years ago (of course without the reference to LAM 7.1)... VIA seems
> to have dropped off from the preference list of HPC admins/managers.
> Even more as you are using M-VIA which doesn't have support for most
> of the recent Linux kernels and Ethernet hardware.
Right, it's not the hottest research project. ;-)
But not everybody has the latest hardware and Linux kernel resp. doesn't throw
away his old stuff if he had something new. So maybe there are be some people
that would be happy about a chance to speed up there machines at no charge.
> So how is the general stability of the M-VIA+LAM combo ? Have you run
> long computational jobs (days-weeks) ?
> Do you have some data about scalability improvements of real-world
> applications ?
A summary of the tests we made, you can find on
http://www.tu-chemnitz.de/informatik/HomePages/RA/projects/cocgrid/viarpi/tests.php
It is Pallas and LAMs conformance Suite with up to 8 nodes. Feel free to make
more tests.
> How is the
> intranode communication implemented for SMP nodes ?
Not at all. We didn't invest any time for this because we think that LAM isn't
that far away of being able to use it's SSI modules (e.g. RPIs)
simultaneously. For example for intranode communication the SMP module would
automaticly be used and for internode communication the VIA or GM or whatever
module.
|
