[Beowulf] Any open source OS like IBM's CNK?

[Brice Goglin]

Le 11/04/2014 18:30, "C. Bergström" a écrit :
> On 04/11/14 10:52 PM, Mark Hahn wrote:
>>> I'm exploring tiny OS, in-house homebrew and anything non-heavy (aka
>>> linux) for Xeon PHI. Does anyone on the list know of any open source
>>> work for
>>
>> I'm curious what you think the win will be.
>>
> Good question - I'd call this project more "for fun" than anything
> else at this point.
>
> Hopefully it will allow us to easily test different on-card
> schedulers. (We are already working on userland (host) scheduling).
> I've seen numerous cases where "linux" doesn't scale well on many-core
> systems.

I see people complaining about Linux scalability from time to time like
this, but I have never seen any actual number supporting this. Can you
elaborate?

Also, is there anything that runs better than Linux on SGI's Altix with
thousands of cores? I am not even sure many people tried.

Brice