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From: Marco I. <ipp...@gm...> - 2015-08-22 10:12:54
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Hi all, like JunZhao I ' m interested in MapGraph but I'm experiencing the same problems. Is there a thoughrogh explained example? Kind regards. Marco Il 20/ago/2015 14:44, "张军昭" <zha...@tj...> ha scritto: > > > My name is JunZhao Zhang,I am a graduate student in tianjin > university,Tianjin,China.My research is semantic web information > management.recently,I have read your paper *MapGraph: A High Level API > for Fast Development of High Performance Graph Analytics on GPUs > <http://./papers/MapGraph-SIGMOD-2014.pdf>,* and i am very interested in > your job.I think cuda maybe a efficient way to deal with graph,i want to > use MapGraph's high level api to write a new algorithm,but i am faced > with some problem,so i write this letter to you. > > Q1:Initialize(const int directed, const int nodes, const int edges, int > num_srcs, int* srcs, int* d_row_offsets, int* d_column_indices, int* > d_column_offsets, int* d_row_indices, DataType* d_edge_values, VertexType > &vertex_list, EdgeType &edge_list, int* d_frontier_keys[3], MiscType* > d_frontier_values[3]). The function has so many parameters and i feel > confused.i wander what "MiscType* d_frontier_values[3]" in this used > for?why d_frontier_values's length is 3? > > Q2:in struct gather_edge,the operator's parameter new_value,what is > its function? what's more,the new_value here,whether its value is equal to > the gathervlaue in struct apply? > > Q3:in struct gather_sum,all algorithm's return value is right+left,why? > > Q4:MapGraph's doc is so simple that i can't figure out how to write a > algorithm,can you email me some detail information? > > I am a new researcher in GPU and cuda,my question maybe naive to > you.but i need your help,looking forward to your reply!thank you. > > JunZhao zhang > Tianjin university,Tianjin,China > zha...@tj... > > > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > mpgraph-developers mailing list > mpg...@li... > https://lists.sourceforge.net/lists/listinfo/mpgraph-developers > > |