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From Shuo Wang <ecisp.wangs...@gmail.com>
Subject Re: The Iteration and Superstep
Date Thu, 03 Jan 2013 13:34:36 GMT
But now we can't know the superstep is the *iteration* or the *
additional superstep*.

2013/1/3 Edward J. Yoon <edwardyoon@apache.org>

> > Do you mean that the time of each *interation* equals the time of per *
> > superstep*?
>
> Yes, each iteration process is a superstep of BSP program.
>
> On Thu, Jan 3, 2013 at 10:21 PM, Shuo Wang <ecisp.wangshuo@gmail.com>
> wrote:
> > Do you mean that the time of each *interation* equals the time of per *
> > superstep*?
> >
> > 2013/1/3 Edward J. Yoon <edwardyoon@apache.org>
> >
> >> We don't logging execution time of each iteration yet.
> >>
> >> But, it's not difficult. You can get current time before and after
> >> calling doSuperstep() method, and then calculate execution time of
> >> each iteration. If you want to improve our project, Pls feel free to
> >> create JIRA tickets and attach your patches. ;)
> >>
> >> On Thu, Jan 3, 2013 at 9:52 PM, Shuo Wang <ecisp.wangshuo@gmail.com>
> >> wrote:
> >> > Year,I got it.But how can I kown the executed time per iteration?
> >> >
> >> > 2013/1/3 Edward J. Yoon <edwardyoon@apache.org>
> >> >
> >> >> (Pregel-like) graph computations consist of a sequence of
> *iterations*.
> >> >>
> >> >> To perform the graph job, internally, we also do additional global
> >> >> synchronizations. For example, counts and synchronizes the number of
> >> >> total vertices among Workers.
> >> >>
> >> >> So, the total *supersteps* of BSP program for graph job =
> *iterations*
> >> >> + additional supersteps.
> >> >>
> >> >> On Thu, Jan 3, 2013 at 6:44 PM, Shuo Wang <ecisp.wangshuo@gmail.com>
> >> >> wrote:
> >> >> > Hi,
> >> >> >
> >> >> > What is the difference between the *iterations* and the
> *supersteps*
> >> when
> >> >> > we run pagerank or sssp on HAMA?
> >> >> >
> >> >> > wangshuo
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Best Regards, Edward J. Yoon
> >> >> @eddieyoon
> >> >>
> >>
> >>
> >>
> >> --
> >> Best Regards, Edward J. Yoon
> >> @eddieyoon
> >>
>
>
>
> --
> Best Regards, Edward J. Yoon
> @eddieyoon
>

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