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Provenance.java
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Provenance.java
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package org.softwareheritage.graph.benchmark;
import com.martiansoftware.jsap.JSAPException;
import org.softwareheritage.graph.Graph;
import org.softwareheritage.graph.server.Endpoint;
import java.io.IOException;
/**
* Benchmark Software Heritage <a
* href="https://docs.softwareheritage.org/devel/swh-graph/use-cases.html#provenance">provenance
* use-cases scenarios</a>.
*
* @author The Software Heritage developers
*/
public class Provenance {
/**
* Main entrypoint.
*
* @param args command line arguments
*/
public static void main(String[] args) throws IOException, JSAPException {
Benchmark bench = new Benchmark();
bench.parseCommandLineArgs(args);
Graph graph = new Graph(bench.args.graphPath);
long[] nodeIds = bench.args.random.generateNodeIds(graph, bench.args.nbNodes);
Endpoint commitProvenanceEndpoint = new Endpoint(graph, "backward", "dir:dir,cnt:dir,dir:rev");
Endpoint originProvenanceEndpoint = new Endpoint(graph, "backward", "*");
System.out.println("Used " + bench.args.nbNodes + " random nodes (results are in seconds):");
bench.createCSVLogFile();
bench.timeEndpoint(
"commit provenance (dfs)", graph, nodeIds, commitProvenanceEndpoint::walk, "rev", "dfs");
bench.timeEndpoint(
"commit provenance (bfs)", graph, nodeIds, commitProvenanceEndpoint::walk, "rev", "bfs");
bench.timeEndpoint(
"complete commit provenance", graph, nodeIds, commitProvenanceEndpoint::leaves);
bench.timeEndpoint(
"origin provenance (dfs)", graph, nodeIds, originProvenanceEndpoint::walk, "ori", "dfs");
bench.timeEndpoint(
"origin provenance (bfs)", graph, nodeIds, originProvenanceEndpoint::walk, "ori", "bfs");
bench.timeEndpoint(
"complete origin provenance", graph, nodeIds, originProvenanceEndpoint::leaves);
}
}

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