[Beowulf] Gentoo in the HPC environment

Kilian Cavalotti kilian.cavalotti.work at gmail.com
Wed Jun 25 12:13:23 PDT 2014


On Wed, Jun 25, 2014 at 8:30 AM, Joe Landman
<landman at scalableinformatics.com> wrote:
> 2) VM based:  Just like stateless, but running as a VM atop a JEOS. This is
> the cloud model.  Almost bare metal speed, and a loss of access to things
> like IB and other fast PCIe cut-through technologies.

SR-IOV works great in KVM, with minimal overhead, if any. So you can
use IB in a VM, at practically no cost.

Cheers,
-- 
Kilian


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