| /* |
| * 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.sysds.runtime.instructions.fed; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.concurrent.Future; |
| |
| import org.apache.sysds.common.Types; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.controlprogram.caching.FrameObject; |
| import org.apache.sysds.runtime.controlprogram.caching.MatrixObject; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.controlprogram.federated.FederatedRequest; |
| import org.apache.sysds.runtime.controlprogram.federated.FederatedRequest.RequestType; |
| import org.apache.sysds.runtime.controlprogram.federated.FederatedResponse; |
| import org.apache.sysds.runtime.controlprogram.federated.FederationMap; |
| import org.apache.sysds.runtime.controlprogram.federated.FederationUtils; |
| import org.apache.sysds.runtime.instructions.InstructionUtils; |
| import org.apache.sysds.runtime.instructions.cp.CPOperand; |
| import org.apache.sysds.runtime.matrix.data.FrameBlock; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| import org.apache.sysds.runtime.transform.encode.Encoder; |
| import org.apache.sysds.runtime.transform.encode.EncoderComposite; |
| import org.apache.sysds.runtime.transform.encode.EncoderPassThrough; |
| import org.apache.sysds.runtime.transform.encode.EncoderRecode; |
| |
| public class MultiReturnParameterizedBuiltinFEDInstruction extends ComputationFEDInstruction { |
| protected final ArrayList<CPOperand> _outputs; |
| |
| private MultiReturnParameterizedBuiltinFEDInstruction(Operator op, CPOperand input1, CPOperand input2, |
| ArrayList<CPOperand> outputs, String opcode, String istr) { |
| super(FEDType.MultiReturnParameterizedBuiltin, op, input1, input2, null, opcode, istr); |
| _outputs = outputs; |
| } |
| |
| public CPOperand getOutput(int i) { |
| return _outputs.get(i); |
| } |
| |
| public static MultiReturnParameterizedBuiltinFEDInstruction parseInstruction(String str) { |
| String[] parts = InstructionUtils.getInstructionPartsWithValueType(str); |
| ArrayList<CPOperand> outputs = new ArrayList<>(); |
| String opcode = parts[0]; |
| |
| if(opcode.equalsIgnoreCase("transformencode")) { |
| // one input and two outputs |
| CPOperand in1 = new CPOperand(parts[1]); |
| CPOperand in2 = new CPOperand(parts[2]); |
| outputs.add(new CPOperand(parts[3], Types.ValueType.FP64, Types.DataType.MATRIX)); |
| outputs.add(new CPOperand(parts[4], Types.ValueType.STRING, Types.DataType.FRAME)); |
| return new MultiReturnParameterizedBuiltinFEDInstruction(null, in1, in2, outputs, opcode, str); |
| } |
| else { |
| throw new DMLRuntimeException("Invalid opcode in MultiReturnBuiltin instruction: " + opcode); |
| } |
| |
| } |
| |
| @Override |
| public void processInstruction(ExecutionContext ec) { |
| // obtain and pin input frame |
| FrameObject fin = ec.getFrameObject(input1.getName()); |
| String spec = ec.getScalarInput(input2).getStringValue(); |
| |
| // the encoder in which the complete encoding information will be aggregated |
| EncoderComposite globalEncoder = new EncoderComposite( |
| Arrays.asList(new EncoderRecode(), new EncoderPassThrough())); |
| // first create encoders at the federated workers, then collect them and aggregate them to a single large |
| // encoder |
| FederationMap fedMapping = fin.getFedMapping(); |
| fedMapping.forEachParallel((range, data) -> { |
| int columnOffset = (int) range.getBeginDims()[1] + 1; |
| |
| // create an encoder with the given spec. The columnOffset (which is 1 based) has to be used to |
| // tell the federated worker how much the indexes in the spec have to be offset. |
| Future<FederatedResponse> response = data.executeFederatedOperation( |
| new FederatedRequest(RequestType.CREATE_ENCODER, data.getVarID(), spec, columnOffset)); |
| // collect responses with encoders |
| try { |
| Encoder encoder = (Encoder) response.get().getData()[0]; |
| // merge this encoder into a composite encoder |
| synchronized(globalEncoder) { |
| globalEncoder.mergeAt(encoder, columnOffset); |
| } |
| } |
| catch(Exception e) { |
| throw new DMLRuntimeException("Federated encoder creation failed: " + e.getMessage()); |
| } |
| return null; |
| }); |
| long varID = FederationUtils.getNextFedDataID(); |
| FederationMap transformedFedMapping = fedMapping.mapParallel(varID, (range, data) -> { |
| int colStart = (int) range.getBeginDims()[1] + 1; |
| int colEnd = (int) range.getEndDims()[1] + 1; |
| // get the encoder segment that is relevant for this federated worker |
| Encoder encoder = globalEncoder.subRangeEncoder(colStart, colEnd); |
| try { |
| FederatedResponse response = data.executeFederatedOperation( |
| new FederatedRequest(RequestType.FRAME_ENCODE, data.getVarID(), encoder, varID)).get(); |
| if(!response.isSuccessful()) |
| response.throwExceptionFromResponse(); |
| } |
| catch(Exception e) { |
| throw new DMLRuntimeException(e); |
| } |
| return null; |
| }); |
| |
| // construct a federated matrix with the encoded data |
| MatrixObject transformedMat = ec.getMatrixObject(getOutput(0)); |
| transformedMat.getDataCharacteristics().set(fin.getDataCharacteristics()); |
| // set the federated mapping for the matrix |
| transformedMat.setFedMapping(transformedFedMapping); |
| |
| // release input and outputs |
| ec.setFrameOutput(getOutput(1).getName(), |
| globalEncoder.getMetaData(new FrameBlock(globalEncoder.getNumCols(), Types.ValueType.STRING))); |
| } |
| } |