src/benchmark/bfs-bench.cc
changeset 758 49b1a30c4dc4
parent 742 235fd36336b7
child 774 4297098d9677
equal deleted inserted replaced
0:94752fc9f2e4 1:551cb93eb383
    36 {
    36 {
    37   GRAPH_TYPEDEF_FACTORY(Graph);
    37   GRAPH_TYPEDEF_FACTORY(Graph);
    38 
    38 
    39   using namespace std;
    39   using namespace std;
    40   
    40   
    41   typename Graph::NodeMap<bool> visited(G,false);
    41   typename Graph::template NodeMap<bool> visited(G,false);
    42     
    42     
    43   queue<typename Graph::Node> Q;
    43   queue<typename Graph::Node> Q;
    44     
    44     
    45   Q.push(source);
    45   Q.push(source);
    46   visited[source]=true;
    46   visited[source]=true;
    61 {
    61 {
    62   GRAPH_TYPEDEF_FACTORY(Graph);
    62   GRAPH_TYPEDEF_FACTORY(Graph);
    63 
    63 
    64   using namespace std;
    64   using namespace std;
    65   
    65   
    66   typename Graph::NodeMap<bool> visited(G,false);
    66   typename Graph::template NodeMap<bool> visited(G,false);
    67   
    67   
    68   int N=G.nodeNum();
    68   int N=G.nodeNum();
    69   vector<typename Graph::Node> Q(N);
    69   vector<typename Graph::Node> Q(N);
    70   int Qh=0;
    70   int Qh=0;
    71   int Qt=0;
    71   int Qt=0;
    82 	visited.set(m,true);
    82 	visited.set(m,true);
    83       }
    83       }
    84   } while(Qt!=Qh);
    84   } while(Qt!=Qh);
    85 }
    85 }
    86 
    86 
       
    87 template<class Graph>
       
    88 void iteratorBench(Graph &G)
       
    89 {
       
    90   GRAPH_TYPEDEF_FACTORY(Graph);
       
    91 
       
    92   int i=0;
       
    93   
       
    94   for(NodeIt n(G);G.valid(n);G.next(n))
       
    95     for(OutEdgeIt e(G,n);G.valid(e);G.next(e))
       
    96       i++;
       
    97 }
       
    98 
    87 int main(int argc, char *argv[])
    99 int main(int argc, char *argv[])
    88 {
   100 {
    89   //  typedef ListGraph Graph;
   101   //  typedef ListGraph Graph;
    90   typedef SmartGraph Graph;
   102   typedef SmartGraph Graph;
    91 
   103 
    94 
   106 
    95   Graph G;
   107   Graph G;
    96   
   108   
    97   Timer T;
   109   Timer T;
    98   
   110   
    99   if(argc!=2) {
   111   if(argc!=3) {
   100     cout << "Usage: " << argv[0] << " dim\n";
   112     cout << "Usage: " << argv[0] << " dim mul\n";
   101     return 1;
   113     return 1;
   102   }
   114   }
   103   
   115   
   104   int dim=atoi(argv[1]);
   116   int dim=atoi(argv[1]);
       
   117   int mul=atoi(argv[2]);
   105   
   118   
   106 //   cout << "Creating Hipercube ("<< (1<<dim) << " nodes, "
   119 //   cout << "Creating Hipercube ("<< (1<<dim) << " nodes, "
   107 //        << dim*(1<<dim) << " edges):";
   120 //        << dim*(1<<dim) << " edges):";
   108 
   121 
   109   T.reset();
   122   T.reset();
   112 
   125 
   113   PrintTime("GENGRAPH",T);
   126   PrintTime("GENGRAPH",T);
   114 
   127 
   115   T.reset();
   128   T.reset();
   116   {
   129   {
   117     for(int i=0;i<50000;i++)
   130     for(int i=0;i<mul;i++)
   118       bfsStlQueue(G,nodes[0]);
   131       bfsStlQueue(G,nodes[0]);
   119   }
   132   }
   120   PrintTime("BFS-STL",T);
   133   PrintTime("BFS-STL",T);
   121   T.reset();
   134   T.reset();
   122   {
   135   {
   123     for(int i=0;i<50000;i++)
   136     for(int i=0;i<mul;i++)
   124       bfsOwnQueue(G,nodes[0]);
   137       bfsOwnQueue(G,nodes[0]);
   125   }
   138   }
   126   PrintTime("BFS-OWN",T);
   139   PrintTime("BFS-OWN",T);
       
   140   T.reset();
       
   141   {
       
   142     for(int i=0;i<mul;i++)
       
   143       iteratorBench(G);
       
   144   }
       
   145   PrintTime("ITERATE",T);
       
   146 
       
   147 
   127 }
   148 }