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Copy pathcomparison_scan.cpp
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264 lines (212 loc) · 10.5 KB
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#include<bits/stdc++.h>
#include"Iscan/iscan.h"
#include"readgml/readgml.h"
using namespace std;
int main(int argc, char* argv[])
{
// Input taken from GML
if (strcmp(argv[1], "--GML")==0)
{
NETWORK* N = new NETWORK();
FILE *F;
F = fopen (argv[2], "r");
if (F == NULL) perror ("Error opening file");
else
{
if(stof(argv[3])>1 || stof(argv[3])<=0){cout<<"Epsilon value should be between 0 and 1"<<endl;exit(0);}
if(stoi(argv[4])<=0){cout<<"Mu value should be greater than 0"<<endl;exit(0);}
int r = read_network(N, F);
graph* iscanG = new graph(); // Single thread
graph* iscanG2 = new graph(); // Mutlithread 2
graph* iscanG3 = new graph(); // Mutlithread 4
graph* iscanG4 = new graph(); // Mutlithread 8
// First add all vertices then add edges
for(int i=0;i<N->nvertices;i++)
{
// Add new vertex to graph with id and name
iscanG->addVertex(N->vertex[i].id, N->vertex[i].label);
iscanG2->addVertex(N->vertex[i].id, N->vertex[i].label);
iscanG3->addVertex(N->vertex[i].id, N->vertex[i].label);
iscanG4->addVertex(N->vertex[i].id, N->vertex[i].label);
}
int nEdges = 0;
for(int i=0;i<N->nvertices;i++)
{
for(int j=0;j<N->vertex[i].degree;j++)
{
nEdges++;
// Adding directed edges as Network contains a->b and b->a both
iscanG->addDirectedEdge(N->vertex[i].id, N->vertex[i].edge[j].target);
iscanG2->addDirectedEdge(N->vertex[i].id, N->vertex[i].edge[j].target);
iscanG3->addDirectedEdge(N->vertex[i].id, N->vertex[i].edge[j].target);
iscanG4->addDirectedEdge(N->vertex[i].id, N->vertex[i].edge[j].target);
}
}
iscanG->numofEdges = nEdges/2;
iscanG2->numofEdges = nEdges/2;
iscanG3->numofEdges = nEdges/2;
iscanG4->numofEdges = nEdges/2;
nEdges/=2;
iscan *iscanObject = new iscan(stof(argv[3]), stoi(argv[4]), iscanG);
iscan *iscanObject2 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG2,2);
iscan *iscanObject3 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG3,4);
iscan *iscanObject4 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG4,8);
auto start = chrono::steady_clock::now();
iscanObject->executeSCAN();
auto end = chrono::steady_clock::now();
auto start_2 = chrono::steady_clock::now();
iscanObject2->executeSCAN(true);
auto end_2 = chrono::steady_clock::now();
auto start_3 = chrono::steady_clock::now();
iscanObject3->executeSCAN(true);
auto end_3 = chrono::steady_clock::now();
auto start_4 = chrono::steady_clock::now();
iscanObject4->executeSCAN(true);
auto end_4 = chrono::steady_clock::now();
cout<<"--------------------------------"<<endl;
cout<<"Running time:"<<endl;
cout<<"SCAN Time without parallel threads:"<<chrono::duration <double, milli> (end - start).count()<<endl;
cout<<"SCAN Time with 2 parallel threads:"<<chrono::duration <double, milli> (end_2 - start_2).count()<<endl;
cout<<"SCAN Time with 4 parallel threads:"<<chrono::duration <double, milli> (end_3 - start_3).count()<<endl;
cout<<"SCAN Time with 8 parallel threads:"<<chrono::duration <double, milli> (end_4 - start_4).count()<<endl;
}
}
// Input taken from txt file as adjacency matrix
if (strcmp(argv[1], "--MATRIX") == 0)
{
ifstream F(argv[2]);
if (!F) perror ("Error opening file");
else
{
string line;
int nvertices = 0;
if(stof(argv[3])>1 || stof(argv[3])<=0){cout<<"Epsilon value should be between 0 and 1"<<endl;exit(0);}
if(stoi(argv[4])<=0){cout<<"Mu value should be greater than 0"<<endl;exit(0);}
graph* iscanG = new graph(); // Single thread
graph* iscanG2 = new graph(); // Mutlithread 2
graph* iscanG3 = new graph(); // Mutlithread 4
graph* iscanG4 = new graph(); // Mutlithread 8
// Loading initial graph
while(getline(F, line)){nvertices++;}
for(int i=0;i<nvertices;i++)
{
iscanG->addVertex(i, "");
iscanG2->addVertex(i, "");
iscanG3->addVertex(i, "");
iscanG4->addVertex(i, "");
}
// Point file pointer to beginning of file
F.clear();
F.seekg(0);
int temp;
int nEdges = 0;
for(int i=0;i<nvertices;i++)
{
for(int j=0;j<nvertices;j++)
{
F>>temp;
if(temp==1)
{
nEdges++;
// If 1 present in matrix then add edge in graph
iscanG->addDirectedEdge(i, j);
iscanG2->addDirectedEdge(i, j);
iscanG3->addDirectedEdge(i, j);
iscanG4->addDirectedEdge(i, j);
}
}
}
iscanG->numofEdges = nEdges/2;
iscanG2->numofEdges = nEdges/2;
iscanG3->numofEdges = nEdges/2;
iscanG4->numofEdges = nEdges/2;
nEdges/=2;
iscan *iscanObject = new iscan(stof(argv[3]), stoi(argv[4]), iscanG);
iscan *iscanObject2 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG2,2);
iscan *iscanObject3 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG3,4);
iscan *iscanObject4 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG4,8);
auto start = chrono::steady_clock::now();
iscanObject->executeSCAN();
auto end = chrono::steady_clock::now();
auto start_2 = chrono::steady_clock::now();
iscanObject2->executeSCAN(true);
auto end_2 = chrono::steady_clock::now();
auto start_3 = chrono::steady_clock::now();
iscanObject3->executeSCAN(true);
auto end_3 = chrono::steady_clock::now();
auto start_4 = chrono::steady_clock::now();
iscanObject4->executeSCAN(true);
auto end_4 = chrono::steady_clock::now();
cout<<"--------------------------------"<<endl;
cout<<"Running time:"<<endl;
cout<<"SCAN Time without parallel threads:"<<chrono::duration <double, milli> (end - start).count()<<endl;
cout<<"SCAN Time with 2 parallel threads:"<<chrono::duration <double, milli> (end_2 - start_2).count()<<endl;
cout<<"SCAN Time with 4 parallel threads:"<<chrono::duration <double, milli> (end_3 - start_3).count()<<endl;
cout<<"SCAN Time with 8 parallel threads:"<<chrono::duration <double, milli> (end_4 - start_4).count()<<endl;
}
}
if(strcmp(argv[1], "--LINK") == 0)
{
ifstream F(argv[2]);
if (!F) perror ("Error opening file");
else
{
if(stof(argv[3])>1 || stof(argv[3])<=0){cout<<"Epsilon value should be between 0 and 1"<<endl;exit(0);}
if(stoi(argv[4])<=0){cout<<"Mu value should be greater than 0"<<endl;exit(0);}
graph* iscanG = new graph(); // Single thread
graph* iscanG2 = new graph(); // Mutlithread 2
graph* iscanG3 = new graph(); // Mutlithread 4
graph* iscanG4 = new graph(); // Mutlithread 8
string line;
int nedges = 0;
while(getline(F, line)){nedges++;}
F.clear();
F.seekg(0);
int id1, id2;
for(int i=0;i<nedges;i++)
{
F>>id1>>id2;
if(iscanG->vertexMap.find(id1)==iscanG->vertexMap.end())
{
iscanG->addVertex(id1, "");
iscanG2->addVertex(id1, "");
iscanG3->addVertex(id1, "");
iscanG4->addVertex(id1, "");
}
if(iscanG->vertexMap.find(id2)==iscanG->vertexMap.end())
{
iscanG->addVertex(id2, "");
iscanG2->addVertex(id2, "");
iscanG3->addVertex(id2, "");
iscanG4->addVertex(id2, "");
}
iscanG->addEdge(id1, id2);
iscanG2->addEdge(id1, id2);
iscanG3->addEdge(id1, id2);
iscanG4->addEdge(id1, id2);
}
iscan *iscanObject = new iscan(stof(argv[3]), stoi(argv[4]), iscanG);
iscan *iscanObject2 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG2,2);
iscan *iscanObject3 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG3,4);
iscan *iscanObject4 = new iscan(stof(argv[3]), stoi(argv[4]), iscanG4,8);
auto start = chrono::steady_clock::now();
iscanObject->executeSCAN();
auto end = chrono::steady_clock::now();
auto start_2 = chrono::steady_clock::now();
iscanObject2->executeSCAN(true);
auto end_2 = chrono::steady_clock::now();
auto start_3 = chrono::steady_clock::now();
iscanObject3->executeSCAN(true);
auto end_3 = chrono::steady_clock::now();
auto start_4 = chrono::steady_clock::now();
iscanObject4->executeSCAN(true);
auto end_4 = chrono::steady_clock::now();
cout<<"--------------------------------"<<endl;
cout<<"Running time:"<<endl;
cout<<"SCAN Time without parallel threads:"<<chrono::duration <double, milli> (end - start).count()<<endl;
cout<<"SCAN Time with 2 parallel threads:"<<chrono::duration <double, milli> (end_2 - start_2).count()<<endl;
cout<<"SCAN Time with 4 parallel threads:"<<chrono::duration <double, milli> (end_3 - start_3).count()<<endl;
cout<<"SCAN Time with 8 parallel threads:"<<chrono::duration <double, milli> (end_4 - start_4).count()<<endl;
}
}
}