Examples with LocalVariableMap org.apache.sysml.runtime.controlprogram.LocalVariableMap used on opensource projects

Example 51 with LocalVariableMap

use of org.apache.sysml.runtime.controlprogram.LocalVariableMap in project incubator-systemml by apache.

the class ResourceOptimizer method getProgramCosts.

private static double getProgramCosts(ProgramBlock pb) {
    double val = 0;
    if (COST_INDIVIDUAL_BLOCKS) {
        LocalVariableMap vars = new LocalVariableMap();
        collectReadVariables(pb.getStatementBlock().getHops(), vars);
        ExecutionContext ec = ExecutionContextFactory.createContext(false, null);
        ec.setVariables(vars);
        val = CostEstimationWrapper.getTimeEstimate(pb, ec, false);
    } else {
        // we need to cost the entire program in order to take in-memory status into account
        ExecutionContext ec = ExecutionContextFactory.createContext();
        val = CostEstimationWrapper.getTimeEstimate(pb.getProgram(), ec);
    }
    _cntCostPB++;
    return val;
}

Example 52 with LocalVariableMap

use of org.apache.sysml.runtime.controlprogram.LocalVariableMap in project systemml by apache.

the class FunctionCallCPInstruction method processInstruction.

@Override
public void processInstruction(ExecutionContext ec) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("Executing instruction : " + this.toString());
    }
    // get the function program block (stored in the Program object)
    FunctionProgramBlock fpb = ec.getProgram().getFunctionProgramBlock(_namespace, _functionName);
    // sanity check number of function parameters
    if (_boundInputs.length < fpb.getInputParams().size()) {
        throw new DMLRuntimeException("Number of bound input parameters does not match the function signature " + "(" + _boundInputs.length + ", but " + fpb.getInputParams().size() + " expected)");
    }
    // create bindings to formal parameters for given function call
    // These are the bindings passed to the FunctionProgramBlock for function execution
    LocalVariableMap functionVariables = new LocalVariableMap();
    for (int i = 0; i < fpb.getInputParams().size(); i++) {
        // error handling non-existing variables
        CPOperand input = _boundInputs[i];
        if (!input.isLiteral() && !ec.containsVariable(input.getName())) {
            throw new DMLRuntimeException("Input variable '" + input.getName() + "' not existing on call of " + DMLProgram.constructFunctionKey(_namespace, _functionName) + " (line " + getLineNum() + ").");
        }
        // get input matrix/frame/scalar
        DataIdentifier currFormalParam = fpb.getInputParams().get(i);
        Data value = ec.getVariable(input);
        // graceful value type conversion for scalar inputs with wrong type
        if (value.getDataType() == DataType.SCALAR && value.getValueType() != currFormalParam.getValueType()) {
            value = ScalarObjectFactory.createScalarObject(currFormalParam.getValueType(), (ScalarObject) value);
        }
        // set input parameter
        functionVariables.put(currFormalParam.getName(), value);
    }
    // Pin the input variables so that they do not get deleted
    // from pb's symbol table at the end of execution of function
    boolean[] pinStatus = ec.pinVariables(_boundInputNames);
    // Create a symbol table under a new execution context for the function invocation,
    // and copy the function arguments into the created table.
    ExecutionContext fn_ec = ExecutionContextFactory.createContext(false, ec.getProgram());
    if (DMLScript.USE_ACCELERATOR) {
        fn_ec.setGPUContexts(ec.getGPUContexts());
        fn_ec.getGPUContext(0).initializeThread();
    }
    fn_ec.setVariables(functionVariables);
    // execute the function block
    try {
        fpb._functionName = this._functionName;
        fpb._namespace = this._namespace;
        fpb.execute(fn_ec);
    } catch (DMLScriptException e) {
        throw e;
    } catch (Exception e) {
        String fname = DMLProgram.constructFunctionKey(_namespace, _functionName);
        throw new DMLRuntimeException("error executing function " + fname, e);
    }
    // cleanup all returned variables w/o binding
    HashSet<String> expectRetVars = new HashSet<>();
    for (DataIdentifier di : fpb.getOutputParams()) expectRetVars.add(di.getName());
    LocalVariableMap retVars = fn_ec.getVariables();
    for (Entry<String, Data> var : retVars.entrySet()) {
        if (expectRetVars.contains(var.getKey()))
            continue;
        // cleanup unexpected return values to avoid leaks
        if (var.getValue() instanceof CacheableData)
            fn_ec.cleanupCacheableData((CacheableData<?>) var.getValue());
    }
    // Unpin the pinned variables
    ec.unpinVariables(_boundInputNames, pinStatus);
    // add the updated binding for each return variable to the variables in original symbol table
    for (int i = 0; i < fpb.getOutputParams().size(); i++) {
        String boundVarName = _boundOutputNames.get(i);
        Data boundValue = retVars.get(fpb.getOutputParams().get(i).getName());
        if (boundValue == null)
            throw new DMLRuntimeException(boundVarName + " was not assigned a return value");
        // cleanup existing data bound to output variable name
        Data exdata = ec.removeVariable(boundVarName);
        if (exdata != null && exdata instanceof CacheableData && exdata != boundValue) {
            ec.cleanupCacheableData((CacheableData<?>) exdata);
        }
        // add/replace data in symbol table
        ec.setVariable(boundVarName, boundValue);
    }
}

Example 53 with LocalVariableMap

use of org.apache.sysml.runtime.controlprogram.LocalVariableMap in project systemml by apache.

the class ResourceOptimizer method compileProgram.

private static ArrayList<ProgramBlock> compileProgram(ProgramBlock pb, ArrayList<ProgramBlock> B, double cp, double mr) {
    if (pb instanceof FunctionProgramBlock) {
        FunctionProgramBlock fpb = (FunctionProgramBlock) pb;
        compileProgram(fpb.getChildBlocks(), B, cp, mr);
    } else if (pb instanceof WhileProgramBlock) {
        WhileProgramBlock wpb = (WhileProgramBlock) pb;
        WhileStatementBlock sb = (WhileStatementBlock) pb.getStatementBlock();
        if (INCLUDE_PREDICATES && sb != null && sb.getPredicateHops() != null) {
            ArrayList<Instruction> inst = Recompiler.recompileHopsDag(sb.getPredicateHops(), new LocalVariableMap(), null, false, false, 0);
            wpb.setPredicate(inst);
            B.add(wpb);
            _cntCompilePB++;
        }
        compileProgram(wpb.getChildBlocks(), B, cp, mr);
    } else if (pb instanceof IfProgramBlock) {
        IfProgramBlock ipb = (IfProgramBlock) pb;
        IfStatementBlock sb = (IfStatementBlock) ipb.getStatementBlock();
        if (INCLUDE_PREDICATES && sb != null && sb.getPredicateHops() != null) {
            ArrayList<Instruction> inst = Recompiler.recompileHopsDag(sb.getPredicateHops(), new LocalVariableMap(), null, false, false, 0);
            ipb.setPredicate(inst);
            B.add(ipb);
            _cntCompilePB++;
        }
        compileProgram(ipb.getChildBlocksIfBody(), B, cp, mr);
        compileProgram(ipb.getChildBlocksElseBody(), B, cp, mr);
    } else if (// incl parfor
    pb instanceof ForProgramBlock) {
        ForProgramBlock fpb = (ForProgramBlock) pb;
        ForStatementBlock sb = (ForStatementBlock) fpb.getStatementBlock();
        if (INCLUDE_PREDICATES && sb != null) {
            if (sb.getFromHops() != null) {
                ArrayList<Instruction> inst = Recompiler.recompileHopsDag(sb.getFromHops(), new LocalVariableMap(), null, false, false, 0);
                fpb.setFromInstructions(inst);
            }
            if (sb.getToHops() != null) {
                ArrayList<Instruction> inst = Recompiler.recompileHopsDag(sb.getToHops(), new LocalVariableMap(), null, false, false, 0);
                fpb.setToInstructions(inst);
            }
            if (sb.getIncrementHops() != null) {
                ArrayList<Instruction> inst = Recompiler.recompileHopsDag(sb.getIncrementHops(), new LocalVariableMap(), null, false, false, 0);
                fpb.setIncrementInstructions(inst);
            }
            B.add(fpb);
            _cntCompilePB++;
        }
        compileProgram(fpb.getChildBlocks(), B, cp, mr);
    } else {
        StatementBlock sb = pb.getStatementBlock();
        ArrayList<Instruction> inst = Recompiler.recompileHopsDag(sb, sb.getHops(), new LocalVariableMap(), null, false, false, 0);
        pb.setInstructions(inst);
        B.add(pb);
        _cntCompilePB++;
    }
    return B;
}

Example 54 with LocalVariableMap

use of org.apache.sysml.runtime.controlprogram.LocalVariableMap in project systemml by apache.

the class ProgramConverter method parseVariables.

private static LocalVariableMap parseVariables(String in) {
    LocalVariableMap ret = null;
    if (in.length() > PARFOR_VARS_BEGIN.length() + PARFOR_VARS_END.length()) {
        String varStr = in.substring(PARFOR_VARS_BEGIN.length(), in.length() - PARFOR_VARS_END.length()).trim();
        ret = LocalVariableMap.deserialize(varStr);
    } else // empty input symbol table
    {
        ret = new LocalVariableMap();
    }
    return ret;
}

Example 55 with LocalVariableMap

use of org.apache.sysml.runtime.controlprogram.LocalVariableMap in project systemml by apache.

the class ProgramConverter method parseExecutionContext.

private static ExecutionContext parseExecutionContext(String in, Program prog) {
    ExecutionContext ec = null;
    String lin = in.substring(PARFOR_EC_BEGIN.length(), in.length() - PARFOR_EC_END.length()).trim();
    if (!lin.equals(EMPTY)) {
        LocalVariableMap vars = parseVariables(lin);
        ec = ExecutionContextFactory.createContext(false, prog);
        ec.setVariables(vars);
    }
    return ec;
}