Package edu.cmu.graphchi.datablocks

Examples of edu.cmu.graphchi.datablocks.FloatConverter

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            }
        }

        /* Run GraphChi */
        GraphChiEngine<Float, Float> engine = new GraphChiEngine<Float, Float>(baseFilename, nShards);
        engine.setEdataConverter(new FloatConverter());
        engine.setVertexDataConverter(new FloatConverter());
        engine.setModifiesInedges(false); // Important optimization

        engine.run(new Pagerank(), 4);

        logger.info("Ready.");
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        DrunkardJob positiveJob = drunkardMobEngine.addJob("positive", EdgeDirection.IN_AND_OUT_EDGES,
                new PositiveWalkUpdate(), new IntDrunkardCompanion(2, Runtime.getRuntime().maxMemory() / 8));
        DrunkardJob negativeJob = drunkardMobEngine.addJob("negative", EdgeDirection.IN_AND_OUT_EDGES,
                new NegativeWalkUpdate(), new IntDrunkardCompanion(2, Runtime.getRuntime().maxMemory() / 8));

        drunkardMobEngine.setEdataConverter(new FloatConverter());

        /* Create list of user vertices (i.e vertices on left). But we need to find their internal ids. */
        ALSMatrixFactorization.BipartiteGraphInfo graphInfo = als.getGraphInfo();
        VertexIdTranslate vertexIdTranslate = drunkardMobEngine.getVertexIdTranslate();
        ArrayList<Integer> userVertices = new ArrayList<Integer>(graphInfo.getNumLeft());
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     * Runs the GraphChi program
     */
    protected void runGraphChi() throws Exception {
        /* Run GraphChi */
        GraphChiEngine<Float, Float> engine = new GraphChiEngine<Float, Float>(getGraphName(), getNumShards());
        engine.setEdataConverter(new FloatConverter());
        engine.setVertexDataConverter(new FloatConverter());
        engine.setModifiesInedges(false); // Important optimization

        engine.run(this, 4);

        logger.info("Ready.");

        /* Create iterator for the vertex values */
        this.vertexIterator = VertexAggregator.vertexIterator(engine.numVertices(), getGraphName(), new FloatConverter(),
                engine.getVertexIdTranslate());
    }
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            }
        }, new EdgeProcessor<Float>() {
            public Float receiveEdge(int from, int to, String token) {
                return (token == null ? 0.0f : Float.parseFloat(token));
            }
        }, new FloatConverter(), new FloatConverter());
    }
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        ALS.validation_rmse_engine.init_validation();
       
        /* Run GraphChi */
        GraphChiEngine<Integer, Float> engine = new GraphChiEngine<Integer, Float>(ProblemSetup.training, ProblemSetup.nShards);
       
        engine.setEdataConverter(new FloatConverter());
        engine.setEnableDeterministicExecution(false);
        engine.setVertexDataConverter(null);  // We do not access vertex values.
        engine.setModifiesInedges(false); // Important optimization
        engine.setModifiesOutedges(false); // Important optimization
        engine.run(als, 5);
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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 void runGraphChi() throws Exception {
        /* Run GraphChi */
        GraphChiEngine<Float, FloatPair> engine = new GraphChiEngine<Float, FloatPair>(getGraphName(), getNumShards());
        engine.setEdataConverter(new FloatPairConverter());
        engine.setVertexDataConverter(new FloatConverter());
        engine.setModifiesInedges(false); // Important optimization

        engine.run(this, 4);

        logger.info("Ready.");

        /* Create iterator for the vertex values */
        this.vertexIterator = VertexAggregator.vertexIterator(engine.numVertices(), getGraphName(), new FloatConverter(),
                engine.getVertexIdTranslate());
    }
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            }
        }, new EdgeProcessor<FloatPair>() {
            public FloatPair receiveEdge(int from, int to, String token) {
                return new FloatPair(Float.parseFloat(token), 0.f);
            }
        }, new FloatConverter(), new FloatPairConverter());
    }
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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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    @Override
    protected void runGraphChi() throws Exception {
        /* Run GraphChi */
        GraphChiEngine<Integer, Float> engine = new GraphChiEngine<Integer, Float>(getGraphName(), getNumShards());
        engine.setEdataConverter(new FloatConverter());
        engine.setEnableDeterministicExecution(false);
        engine.setVertexDataConverter(null);  // We do not access vertex values.
        engine.setModifiesInedges(false); // Important optimization
        engine.setModifiesOutedges(false); // Important optimization

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Related Classes of edu.cmu.graphchi.datablocks.FloatConverter

  • com.twitter.pers.bipartite.HITSSmallMem
  • com.twitter.pers.bipartite.SALSASmallMem
  • edu.cmu.graphchi.apps.ALSMatrixFactorization
  • edu.cmu.graphchi.apps.Pagerank
  • edu.cmu.graphchi.apps.pig.PigALSMatrixFactorization
  • edu.cmu.graphchi.apps.pig.PigPagerank
  • edu.cmu.graphchi.apps.pig.PigWeightedPagerank
  • edu.cmu.graphchi.apps.recommendations.MovieRecommender
  • edu.cmu.graphchi.apps.WeightedPagerank
  • edu.cmu.graphchi.preprocessing.TestIdPacking
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