Examples with WhileStatementBlock org.apache.sysml.parser.WhileStatementBlock used on opensource projects

Example 71 with WhileStatementBlock

use of org.apache.sysml.parser.WhileStatementBlock in project systemml by apache.

the class ProgramRewriter method rRewriteStatementBlockHopDAGs.

public void rRewriteStatementBlockHopDAGs(StatementBlock current, ProgramRewriteStatus state) {
    // ensure robustness for calls from outside
    if (state == null)
        state = new ProgramRewriteStatus();
    if (current instanceof FunctionStatementBlock) {
        FunctionStatementBlock fsb = (FunctionStatementBlock) current;
        FunctionStatement fstmt = (FunctionStatement) fsb.getStatement(0);
        for (StatementBlock sb : fstmt.getBody()) rRewriteStatementBlockHopDAGs(sb, state);
    } else if (current instanceof WhileStatementBlock) {
        WhileStatementBlock wsb = (WhileStatementBlock) current;
        WhileStatement wstmt = (WhileStatement) wsb.getStatement(0);
        wsb.setPredicateHops(rewriteHopDAG(wsb.getPredicateHops(), state));
        for (StatementBlock sb : wstmt.getBody()) rRewriteStatementBlockHopDAGs(sb, state);
    } else if (current instanceof IfStatementBlock) {
        IfStatementBlock isb = (IfStatementBlock) current;
        IfStatement istmt = (IfStatement) isb.getStatement(0);
        isb.setPredicateHops(rewriteHopDAG(isb.getPredicateHops(), state));
        for (StatementBlock sb : istmt.getIfBody()) rRewriteStatementBlockHopDAGs(sb, state);
        for (StatementBlock sb : istmt.getElseBody()) rRewriteStatementBlockHopDAGs(sb, state);
    } else if (// incl parfor
    current instanceof ForStatementBlock) {
        ForStatementBlock fsb = (ForStatementBlock) current;
        ForStatement fstmt = (ForStatement) fsb.getStatement(0);
        fsb.setFromHops(rewriteHopDAG(fsb.getFromHops(), state));
        fsb.setToHops(rewriteHopDAG(fsb.getToHops(), state));
        fsb.setIncrementHops(rewriteHopDAG(fsb.getIncrementHops(), state));
        for (StatementBlock sb : fstmt.getBody()) rRewriteStatementBlockHopDAGs(sb, state);
    } else // generic (last-level)
    {
        current.setHops(rewriteHopDAG(current.getHops(), state));
    }
}

Example 72 with WhileStatementBlock

use of org.apache.sysml.parser.WhileStatementBlock in project systemml by apache.

the class RewriteMarkLoopVariablesUpdateInPlace method rewriteStatementBlock.

@Override
public List<StatementBlock> rewriteStatementBlock(StatementBlock sb, ProgramRewriteStatus status) {
    if (DMLScript.rtplatform == RUNTIME_PLATFORM.HADOOP || DMLScript.rtplatform == RUNTIME_PLATFORM.SPARK) {
        // nothing to do here, return original statement block
        return Arrays.asList(sb);
    }
    if (// incl parfor
    sb instanceof WhileStatementBlock || sb instanceof ForStatementBlock) {
        ArrayList<String> candidates = new ArrayList<>();
        VariableSet updated = sb.variablesUpdated();
        VariableSet liveout = sb.liveOut();
        for (String varname : updated.getVariableNames()) {
            if (updated.getVariable(varname).getDataType() == DataType.MATRIX && // exclude local vars
            liveout.containsVariable(varname)) {
                if (sb instanceof WhileStatementBlock) {
                    WhileStatement wstmt = (WhileStatement) sb.getStatement(0);
                    if (rIsApplicableForUpdateInPlace(wstmt.getBody(), varname))
                        candidates.add(varname);
                } else if (sb instanceof ForStatementBlock) {
                    ForStatement wstmt = (ForStatement) sb.getStatement(0);
                    if (rIsApplicableForUpdateInPlace(wstmt.getBody(), varname))
                        candidates.add(varname);
                }
            }
        }
        sb.setUpdateInPlaceVars(candidates);
    }
    // return modified statement block
    return Arrays.asList(sb);
}