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https://issues.apache.org/jira/browse/HAMA-257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868146#action_12868146
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Edward J. Yoon commented on HAMA-257:
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As simply mentioned before, some kind of parser will be needed to provide
intuitive programming API. for example, below psuedo code is BSPLib style and
it looks like a perfect serial code, by wapping the parallel part with
bsp_begin() and bsp_end() methods with bsp_sync() method.
// Loop over all vertices
for (i = 0; i < vertices.length; i++) {
bsp_begin();
double total = 0.0;
int begin = index[ind];
int end = index[ind + 1];
//System.out.println("incoming edges: " + begin +" ~ "+ end);
// Loop over edges pointing to vertex i.
for (int j = begin; j < end; j++) {
int src = j;
double r = rank[src];
double incr = r / (double) degree[src];
total += incr;
}
accumulate_rank[ind] = total;
bsp_sync();
bsp_end();
}
We need to figure out whether it is possible in our case. otherwise, we should
support two methods such as, map and reduce.
> Design BSP program code interface
> ---------------------------------
>
> Key: HAMA-257
> URL: https://issues.apache.org/jira/browse/HAMA-257
> Project: Hama
> Issue Type: Sub-task
> Components: bsp
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Designing BSP program code interface
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