org.apache.flink.benchmark.library.RMatAlgorithmRunner.java Source code

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Here is the source code for org.apache.flink.benchmark.library.RMatAlgorithmRunner.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.benchmark.library;

import com.fasterxml.jackson.core.JsonGenerator;
import org.apache.flink.api.java.ExecutionEnvironment;
import org.apache.flink.benchmark.AlgorithmRunner;
import org.apache.flink.benchmark.IdType;

import java.util.HashMap;
import java.util.Map;

public abstract class RMatAlgorithmRunner implements AlgorithmRunner {

    protected IdType idType;

    private int samples;

    private int lowScale;

    private int currentScale;

    private Map<Integer, Integer> executions = new HashMap<>();

    protected abstract int getInitialScale(int parallelism);

    @Override
    public void initialize(IdType idType, int samples, int parallelism) {
        this.idType = idType;
        this.samples = samples;

        this.lowScale = getInitialScale(parallelism);
        this.currentScale = this.lowScale;
    }

    @Override
    public void warmup(ExecutionEnvironment env) throws Exception {
        runInternal(env, 10);
    }

    protected abstract void runInternal(ExecutionEnvironment env, int scale) throws Exception;

    @Override
    public void run(ExecutionEnvironment env, JsonGenerator json) throws Exception {
        runInternal(env, currentScale);

        json.writeStringField("idType", idType.toString());
        json.writeNumberField("scale", currentScale);

        Integer count = executions.get(currentScale);
        if (count == null) {
            count = 0;
        }
        count++;
        executions.put(currentScale, count);

        if (count == samples) {
            lowScale++;
            currentScale = lowScale;
        } else {
            if (count % 2 == 0) {
                currentScale++;
            } else {
                currentScale = lowScale;
            }
        }
    }

    @Override
    public boolean finished() {
        return idType.equals(IdType.INT) && lowScale > 32;
    }
}