[Users] load balancing

[Erik Schnetter]

Steve

Yes, they are almost working. Each a blocked by a single bug that we
haven't found yet. (Okay, I'm not making a promise about the "single"
part.) They are part of Carpet, and can be enabled by setting the parameter
Carpet::processor_topology. The new ones are "recursive" and "balanced",
written by Peter Diener and myself, respectively.

-erik


On Thu, Mar 16, 2017 at 9:58 AM, Steven R. Brandt <sbrandt at cct.lsu.edu>
wrote:

> Are these not-yet-working balancers almost-working? Where are they?
>
> --Steve
>
> On 03/15/2017 05:36 PM, Erik Schnetter wrote:
>
> Steve
>
> No, there is unfortunately no such mechanism yet. We have two "new" (not
> yet working) load balancers in Carpet that would have this functionality,
> though. Debugging these might be the easiest way to go.
>
> -erik
>
>
> On Wed, Mar 15, 2017 at 4:57 PM, Steven R. Brandt <sbrandt at cct.lsu.edu>
> wrote:
>
>> I was thinking of trying to run Cactus on supermic and attempting to use
>> the mics. I'm not expecting to receive any speedup from doing so, but
>> I'm going to try.
>>
>> One thing I'm wondering is whether I would receive a speedup if the mic
>> nodes had a different number of gridpoints than the CPUs (again, not
>> overly optimistic). Is there a way to tell a load balancer to give half
>> the nodes a larger share of gridpoints? If there isn't, how hard would
>> it be to create such a load balancer?
>>
>> --Steve
>>
>> _______________________________________________
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>> Users at einsteintoolkit.org
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>>
>
>
>
> --
> Erik Schnetter <schnetter at cct.lsu.edu>
> http://www.perimeterinstitute.ca/personal/eschnetter/
>
>
>


-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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