| // 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. |
| |
| using System.Globalization; |
| using System.IO; |
| using Org.Apache.REEF.IMRU.API; |
| using Org.Apache.REEF.IMRU.OnREEF.IMRUTasks; |
| using Org.Apache.REEF.IO.PartitionedData.Random; |
| using Org.Apache.REEF.Tang.Annotations; |
| using Org.Apache.REEF.Tang.Implementations.Tang; |
| using Org.Apache.REEF.Tang.Interface; |
| using Org.Apache.REEF.Tang.Util; |
| using Org.Apache.REEF.Wake.StreamingCodec.CommonStreamingCodecs; |
| |
| namespace Org.Apache.REEF.IMRU.Examples.PipelinedBroadcastReduce |
| { |
| /// <summary> |
| /// IMRU program that performs broadcast and reduce |
| /// </summary> |
| public class PipelinedBroadcastAndReduce |
| { |
| protected readonly IIMRUClient _imruClient; |
| |
| [Inject] |
| protected PipelinedBroadcastAndReduce(IIMRUClient imruClient) |
| { |
| _imruClient = imruClient; |
| } |
| |
| /// <summary> |
| /// Runs the actual broadcast and reduce job |
| /// </summary> |
| public void Run(int numberofMappers, int chunkSize, int numIterations, int dim, int mapperMemory, int updateTaskMemory) |
| { |
| var results = _imruClient.Submit<int[], int[], int[], Stream>( |
| CreateJobDefinitionBuilder(numberofMappers, chunkSize, numIterations, dim, mapperMemory, updateTaskMemory) |
| .SetMapFunctionConfiguration(BuildMapperFunctionConfig()) |
| .Build()); |
| } |
| |
| protected virtual IMRUJobDefinitionBuilder CreateJobDefinitionBuilder(int numberofMappers, int chunkSize, int numIterations, int dim, int mapperMemory, int updateTaskMemory) |
| { |
| return new IMRUJobDefinitionBuilder() |
| .SetUpdateFunctionConfiguration(UpdateFunctionConfig(numberofMappers, numIterations, dim)) |
| .SetMapInputCodecConfiguration(MapInputCodecConfiguration()) |
| .SetUpdateFunctionCodecsConfiguration(UpdateFunctionCodecsConfiguration()) |
| .SetReduceFunctionConfiguration(ReduceFunctionConfiguration()) |
| .SetMapInputPipelineDataConverterConfiguration(MapInputDataConverterConfig(chunkSize)) |
| .SetMapOutputPipelineDataConverterConfiguration(MapOutputDataConverterConfig(chunkSize)) |
| .SetPartitionedDatasetConfiguration(PartitionedDatasetConfiguration(numberofMappers)) |
| .SetJobName("BroadcastReduce") |
| .SetNumberOfMappers(numberofMappers) |
| .SetMapperMemory(mapperMemory) |
| .SetUpdateTaskMemory(updateTaskMemory); |
| } |
| |
| /// <summary> |
| /// Configuration for Partitioned Dataset |
| /// </summary> |
| protected virtual IConfiguration PartitionedDatasetConfiguration(int numberofMappers) |
| { |
| return RandomInputDataConfiguration.ConfigurationModule.Set(RandomInputDataConfiguration.NumberOfPartitions, |
| numberofMappers.ToString()).Build(); |
| } |
| |
| /// <summary> |
| /// Configuration for Reduce Function |
| /// </summary> |
| protected virtual IConfiguration ReduceFunctionConfiguration() |
| { |
| return IMRUReduceFunctionConfiguration<int[]>.ConfigurationModule |
| .Set(IMRUReduceFunctionConfiguration<int[]>.ReduceFunction, |
| GenericType<IntArraySumReduceFunction>.Class) |
| .Build(); |
| } |
| |
| /// <summary> |
| /// Configuration for Update Function |
| /// </summary> |
| protected virtual IConfiguration UpdateFunctionCodecsConfiguration() |
| { |
| return IMRUCodecConfiguration<int[]>.ConfigurationModule |
| .Set(IMRUCodecConfiguration<int[]>.Codec, GenericType<IntArrayStreamingCodec>.Class) |
| .Build(); |
| } |
| |
| /// <summary> |
| /// Configuration for Map Input Codec |
| /// </summary> |
| protected virtual IConfiguration MapInputCodecConfiguration() |
| { |
| return IMRUCodecConfiguration<int[]>.ConfigurationModule |
| .Set(IMRUCodecConfiguration<int[]>.Codec, GenericType<IntArrayStreamingCodec>.Class) |
| .Build(); |
| } |
| |
| /// <summary> |
| /// Configuration for Map Output Data Converter |
| /// </summary> |
| protected virtual IConfiguration MapOutputDataConverterConfig(int chunkSize) |
| { |
| var dataConverterConfig2 = |
| TangFactory.GetTang() |
| .NewConfigurationBuilder(IMRUPipelineDataConverterConfiguration<int[]>.ConfigurationModule |
| .Set(IMRUPipelineDataConverterConfiguration<int[]>.MapInputPiplelineDataConverter, |
| GenericType<PipelineIntDataConverter>.Class).Build()) |
| .BindNamedParameter(typeof(BroadcastReduceConfiguration.ChunkSize), |
| chunkSize.ToString(CultureInfo.InvariantCulture)) |
| .Build(); |
| return dataConverterConfig2; |
| } |
| |
| /// <summary> |
| /// Configuration for Map Input Data Converter |
| /// </summary> |
| protected virtual IConfiguration MapInputDataConverterConfig(int chunkSize) |
| { |
| var dataConverterConfig1 = |
| TangFactory.GetTang() |
| .NewConfigurationBuilder(IMRUPipelineDataConverterConfiguration<int[]>.ConfigurationModule |
| .Set(IMRUPipelineDataConverterConfiguration<int[]>.MapInputPiplelineDataConverter, |
| GenericType<PipelineIntDataConverter>.Class).Build()) |
| .BindNamedParameter(typeof(BroadcastReduceConfiguration.ChunkSize), |
| chunkSize.ToString(CultureInfo.InvariantCulture)) |
| .Build(); |
| return dataConverterConfig1; |
| } |
| |
| /// <summary> |
| /// Configuration for Update Function |
| /// </summary> |
| protected IConfiguration UpdateFunctionConfig(int numberofMappers, int numIterations, int dim) |
| { |
| var updateFunctionConfig = |
| TangFactory.GetTang().NewConfigurationBuilder(BuildUpdateFunctionConfig()) |
| .BindNamedParameter(typeof(BroadcastReduceConfiguration.NumberOfIterations), |
| numIterations.ToString(CultureInfo.InvariantCulture)) |
| .BindNamedParameter(typeof(BroadcastReduceConfiguration.Dimensions), |
| dim.ToString(CultureInfo.InvariantCulture)) |
| .BindNamedParameter(typeof(BroadcastReduceConfiguration.NumWorkers), |
| numberofMappers.ToString(CultureInfo.InvariantCulture)) |
| .Build(); |
| return updateFunctionConfig; |
| } |
| |
| protected virtual IConfiguration BuildUpdateFunctionConfig() |
| { |
| return IMRUUpdateConfiguration<int[], int[], int[]>.ConfigurationModule |
| .Set(IMRUUpdateConfiguration<int[], int[], int[]>.UpdateFunction, |
| GenericType<BroadcastSenderReduceReceiverUpdateFunction>.Class).Build(); |
| } |
| |
| /// <summary> |
| /// Configuration for Mapper function |
| /// </summary> |
| protected virtual IConfiguration BuildMapperFunctionConfig() |
| { |
| return IMRUMapConfiguration<int[], int[]>.ConfigurationModule |
| .Set(IMRUMapConfiguration<int[], int[]>.MapFunction, |
| GenericType<BroadcastReceiverReduceSenderMapFunction>.Class) |
| .Build(); |
| } |
| } |
| } |