[OmniOS-discuss] Ang: Re: Ang: Re: infiniband

[Ian Kaufman]

I use a QLogic 12300 with SM built in. I haven't had any issues,
saving my cluster frontend's cycles for other things.

Ian

On Fri, Oct 24, 2014 at 7:55 AM, Michael Rasmussen <mir at miras.org> wrote:
> On Fri, 24 Oct 2014 13:17:39 +0200
> Johan Kragsterman <johan.kragsterman at capvert.se> wrote:
>
>>
>> Well, I can only find one person in that thread that BELIEVES that running SM on a switch is preferable to run OpenSM software. He hardly comes with any documentation of this, and I can't see any other that agrees...
>>
>> But of coarse, if you provide too little resources for OpenSM it will cause problems, or if you have any problems with the S/W or the configuration...
>>
> I think the issue here is that OpenSM is a single threaded application
> so when the CPU which is assigned to it maxes out performance will
> drop. So I guess it comes down to a trade-off between the
> performance of the host CPU and the performance of the switch hardware.
>
> --
> Hilsen/Regards
> Michael Rasmussen
>
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-- 
Ian Kaufman
Research Systems Administrator
UC San Diego, Jacobs School of Engineering ikaufman AT ucsd DOT edu