Package edu.cmu.graphchi.datablocks

Examples of edu.cmu.graphchi.datablocks.IntConverter

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     * @return the sum
     * @throws IOException if the vertex data file is not found
     */
    public static long sumInt(int numVertices, String baseFilename) throws IOException {
        SumCallbackInt callback = new SumCallbackInt();
        foreach(numVertices, baseFilename, new IntConverter(), callback);
        return callback.getSum();
    }
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            }
        }, new EdgeProcessor<Integer>() {
            public Integer receiveEdge(int from, int to, String token) {
                return 0;
            }
        }, new IntConverter(), new IntConverter());
    }
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            }
        }

        /* Run GraphChi ... */
        GraphChiEngine<Integer, Integer> engine = new GraphChiEngine<Integer, Integer>(baseFilename, nShards);
        engine.setEdataConverter(new IntConverter());
        engine.setVertexDataConverter(new IntConverter());
        engine.setEnableScheduler(true);
        engine.run(new ConnectedComponents(), 5);

        logger.info("Ready. Going to output...");

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            public Integer receiveEdge(int from, int to, String token) {
                if (token == null) return 0;
                return Integer.parseInt(token);
            }
        },
                new IntConverter(), new IntConverter());
        sharder.shard(new FileInputStream(fileName), conversion);

    }
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            }
        }, new EdgeProcessor<Integer>() {
            public Integer receiveEdge(int from, int to, String token) {
                return (token == null ? 0 : Integer.parseInt(token));
            }
        }, new IntConverter(), new IntConverter());
    }
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            sharder.shard(new FileInputStream(new File(baseFilename)), fileType);
        }

        /* Run engine */
        GraphChiEngine<Integer, Integer> engine = new GraphChiEngine<Integer, Integer>(baseFilename, nShards);
        engine.setEdataConverter(new IntConverter());
        engine.setVertexDataConverter(new IntConverter());
        engine.setModifiesInedges(false); // Important optimization
        engine.run(new SmokeTest(), 5);

        /* Test vertex iterator */
        Iterator<VertexIdValue<Integer>> iter = VertexAggregator.vertexIterator(engine.numVertices(),
                baseFilename, new IntConverter(), engine.getVertexIdTranslate());

        int i=0;
        while(iter.hasNext()) {
            VertexIdValue<Integer> x = iter.next();
            int internalId = engine.getVertexIdTranslate().forward(x.getVertexId());
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    protected static FastSharder createSharder(String graphName, int numShards) throws IOException {
        return new FastSharder<Integer, Float>(graphName, numShards, null, new EdgeProcessor<Float>() {
            public Float receiveEdge(int from, int to, String token) {
                return (token == null ? 0.0f : Float.parseFloat(token));
            }
        }, new IntConverter(), new FloatConverter());
    }
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    protected static FastSharder createSharder(String graphName, int numShards) throws IOException {
        return new FastSharder<Integer, Float>(graphName, numShards, null, new EdgeProcessor<Float>() {
            public Float receiveEdge(int from, int to, String token) {
                return (token == null ? 0.0f : Float.parseFloat(token));
            }
        }, new IntConverter(), new FloatConverter());
    }
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                /* Keep track of the graph dimension*/
                maxLeftVertexId = Math.max(from, maxLeftVertexId);
                maxRightVertexId = Math.max(to, maxRightVertexId);
                return (token == null ? 0.0f : Float.parseFloat(token));
            }
        }, new IntConverter(), new FloatConverter());
    }
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            }
        }, new EdgeProcessor<Integer>() {
            public Integer receiveEdge(int from, int to, String token) {
                return 0;
            }
        }, new IntConverter(), new IntConverter());
    }
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Related Classes of edu.cmu.graphchi.datablocks.IntConverter

  • edu.cmu.graphchi.apps.ALSMatrixFactorization
  • edu.cmu.graphchi.apps.ConnectedComponents
  • edu.cmu.graphchi.apps.kcore.GraphTransformer
  • edu.cmu.graphchi.apps.kcore.KCoreDecomposer
  • edu.cmu.graphchi.apps.pig.PigALSMatrixFactorization
  • edu.cmu.graphchi.apps.SmokeTest
  • edu.cmu.graphchi.preprocessing.FastSharder
  • edu.cmu.graphchi.toolkits.collaborative_filtering.IO
  • edu.cmu.graphchi.util.LabelAnalysis
  • edu.cmu.graphchi.util.Toplist
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