Charm++ parallel programming system

[Eduardo Rocha Rodrigues <errodrigues AT inf.ufrgs.br>]

Professor Kale,

I am calling theLbdb->Migrate (theLbdb is a property of BaseLB) to
migrate objects. Does this call generate an event when it is done? I
mean, when the object is on its destination. If so, how can I wait for
such an event?

Regards,
Eduardo

On Mon, Jul 11, 2011 at 1:11 AM, Kale, Laxmikant V 
<kale AT illinois.edu>
 wrote:
> I haven't looked at CentralLB:MigrationsDone, but I think a simple use of
> a future (or just a flag) can make it so that the user just has to make a
> blocking call to wait for the event. Am I missing something?
>
> I will be happy to look at the code,and discuss, ma be with Celso and you
> on skype with the code in front of us.
>
>
> --
> Laxmikant (Sanjay) Kale         http://charm.cs.uiuc.edu
> <http://charm.cs.uiuc.edu/>
> Professor, Computer Science     
> kale AT illinois.edu
> 201 N. Goodwin Avenue           Ph:  (217) 244-0094
> Urbana, IL  61801-2302          FAX: (217) 265-6582
>
>
>
>
>
>
> On 7/10/11 1:06 PM, "Eduardo Rocha Rodrigues" 
> <errodrigues AT inf.ufrgs.br>
> wrote:
>
>>Hi,
>>
>>In order to make sure that all migrations have finished, I wrote a
>>callback routine, similarly to what was done in CentralLB
>>(CentralLB::MigrationDone).
>>
>>It seems to work, but I think this is too complex. I want something
>>simpler for a tutorial.
>>
>>Can anyone help me?
>>
>>Thanks in advance,
>>Eduardo
>>
>>On Thu, Jul 7, 2011 at 2:31 PM, Eduardo Rocha Rodrigues
>><errodrigues AT inf.ufrgs.br>
>> wrote:
>>> Hi Abhinav,
>>>
>>> I was looking for something simpler for a tutorial I am going to
>>> present. I got as an example the NullLB and change it so that I
>>> perform some load balancing decisions, instead of doing nothing.
>>>
>>> I managed to do some migrations, but sometimes I resume execution
>>> before some objects migrate. I mean, I call the method
>>> LBDatabase::ResumeClients before some objects arrive to their
>>> destination. Is there any way to guarantee that all the objects that I
>>> ordered to migrate (with LBDatabase::Migrate) had finished migrating?
>>>
>>> Thanks,
>>> Eduardo
>>>
>>> On Sun, Jul 3, 2011 at 4:49 AM, Abhinav S Bhatele
>>> <bhatele AT illinoisalumni.org>
>>>  wrote:
>>>> Hi Eduardo,
>>>> Are you referring to writing a hierarchical load balancer? Is yes,
>>>> HybridLB.C in src/ck-ldb is an example.
>>>> - Abhinav
>>>>
>>>> On Fri, Jul 1, 2011 at 11:28 AM, Eduardo Rocha Rodrigues
>>>> <errodrigues AT inf.ufrgs.br>
>>>>  wrote:
>>>>>
>>>>> Is there any tutorial on how to write a distributed load balancer on
>>>>> Charm? I mean, something similar to what can be found on:
>>>>>
>>>>>
>>>>>
>>>>>https://charm.cs.uiuc.edu/manuals/html/charm++/3_13.html#SECTION0003133
>>>>>00000000000000
>>>>>
>>>>> Or an example would be helpful.
>>>>>
>>>>> Thanks in advance,
>>>>> Eduardo
>>>>> _______________________________________________
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>>>>
>>>
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