Esempio n. 1
0
  public void createNodes(FlatNode top, HashMap[] exeCounts) {
    inputNodes = new HashMap<SIROperator, InputSliceNode>();
    outputNodes = new HashMap<SIROperator, OutputSliceNode>();
    filterNodes = new HashMap<SIROperator, FilterSliceNode>();
    generatedIds = new HashSet<FilterSliceNode>();
    this.exeCounts = exeCounts;

    top.accept(this, null, true);
  }
Esempio n. 2
0
  public void visitNode(FlatNode node) {
    System.out.println("Creating SliceNodes: " + node);
    OutputSliceNode output = new OutputSliceNode();
    InputSliceNode input = new InputSliceNode();
    FilterContent content;
    int mult = 1;

    if (node.isFilter()) {
      if (node.contents instanceof SIRFileWriter) {
        content = new FileOutputContent((SIRFileWriter) node.contents);
      } else if (node.contents instanceof SIRFileReader) {
        content = new FileInputContent((SIRFileReader) node.contents);
      } else content = new FilterContent(node.getFilter());

    } else if (node.isSplitter()) {
      CType type = CommonUtils.getOutputType(node);
      SIRIdentity id = new SIRIdentity(type);
      RenameAll.renameAllFilters(id);
      content = new FilterContent(id);
      if (!node.isDuplicateSplitter()) mult = node.getTotalOutgoingWeights();

    } else {
      // joiner
      CType type = CommonUtils.getOutputType(node);
      SIRIdentity id = new SIRIdentity(type);
      RenameAll.renameAllFilters(id);
      content = new FilterContent(id);
      mult = node.getTotalIncomingWeights();
    }
    if (exeCounts[0].containsKey(node.contents))
      content.setInitMult(mult * ((int[]) exeCounts[0].get(node.contents))[0]);
    else content.setInitMult(0);

    content.setSteadyMult(mult * ((int[]) exeCounts[1].get(node.contents))[0]);

    FilterSliceNode filterNode = new FilterSliceNode(content);
    if (node.isSplitter() || node.isJoiner()) generatedIds.add(filterNode);

    inputNodes.put(node.contents, input);
    outputNodes.put(node.contents, output);
    filterNodes.put(node.contents, filterNode);
  }
Esempio n. 3
0
  private void flattenInternal(FlatNode top) {
    Iterator<FlatNode> dataFlow = DataFlowTraversal.getTraversal(top).iterator();

    while (dataFlow.hasNext()) {
      FlatNode node = dataFlow.next();
      System.out.println(node);
      InputSliceNode input = sliceNodes.inputNodes.get(node.contents);
      OutputSliceNode output = sliceNodes.outputNodes.get(node.contents);
      FilterSliceNode filterNode = sliceNodes.filterNodes.get(node.contents);

      assert input != null && output != null && filterNode != null;

      // set up the slice
      Slice slice = new Slice(input);
      input.setNext(filterNode);
      filterNode.setPrevious(input);
      filterNode.setNext(output);
      output.setPrevious(filterNode);
      input.setParent(slice);
      output.setParent(slice);
      filterNode.setParent(slice);

      System.out.println("  outputs: " + node.ways);
      if (node.ways != 0) {
        assert node.ways == node.getEdges().length && node.ways == node.weights.length;

        // set up the i/o arcs
        // set up the splitting...
        LinkedList<InterSliceEdge> outEdges = new LinkedList<InterSliceEdge>();
        LinkedList<Integer> outWeights = new LinkedList<Integer>();
        HashMap<InputSliceNode, InterSliceEdge> newEdges =
            new HashMap<InputSliceNode, InterSliceEdge>();
        for (int i = 0; i < node.ways; i++) {
          if (node.weights[i] == 0) continue;
          InterSliceEdge edge =
              new InterSliceEdge(output, sliceNodes.inputNodes.get(node.getEdges()[i].contents));
          newEdges.put(sliceNodes.inputNodes.get(node.getEdges()[i].contents), edge);
          outEdges.add(edge);
          outWeights.add(node.weights[i]);
        }
        edges.put(output, newEdges);

        LinkedList<LinkedList<InterSliceEdge>> translatedEdges =
            new LinkedList<LinkedList<InterSliceEdge>>();
        if (node.isDuplicateSplitter()) {
          outWeights = new LinkedList<Integer>();
          outWeights.add(new Integer(1));
          translatedEdges.add(outEdges);
        } else {
          for (int i = 0; i < outEdges.size(); i++) {
            LinkedList<InterSliceEdge> link = new LinkedList<InterSliceEdge>();
            link.add(outEdges.get(i));
            translatedEdges.add(link);
          }
        }

        output.set(outWeights, translatedEdges);
      } else {
        // no outputs
        output.setWeights(new int[0]);
        output.setDests(new InterSliceEdge[0][0]);
      }

      if (node.isFilter()) {
        if (node.getFilter().getPushInt() == 0) {
          output.setWeights(new int[0]);
          output.setDests(new InterSliceEdge[0][0]);
        }
      }

      // set up the joining, the edges should exist already from upstream
      System.out.println("  inputs: " + node.inputs);
      if (node.inputs != 0) {
        assert node.inputs == node.incoming.length && node.inputs == node.incomingWeights.length;

        LinkedList<Integer> inWeights = new LinkedList<Integer>();
        LinkedList<InterSliceEdge> inEdges = new LinkedList<InterSliceEdge>();
        for (int i = 0; i < node.inputs; i++) {
          if (node.incomingWeights[i] == 0) continue;
          inEdges.add(edges.get(sliceNodes.outputNodes.get(node.incoming[i].contents)).get(input));
          inWeights.add(node.incomingWeights[i]);
        }
        input.set(inWeights, inEdges);
      } else {
        input.setWeights(new int[0]);
        input.setSources(new InterSliceEdge[0]);
      }

      if (node.isFilter() && node.getFilter().getPopInt() == 0) {
        input.setWeights(new int[0]);
        input.setSources(new InterSliceEdge[0]);
      }

      // set up the work hashmaps
      int workEst = 0;
      if (sliceNodes.generatedIds.contains(filterNode)) {
        workEst = 3 * filterNode.getFilter().getSteadyMult();
      } else {
        assert node.isFilter();
        workEst = work.getWork((SIRFilter) node.contents);
      }
      bottleNeckFilter.put(slice, filterNode);
      sliceBNWork.put(slice, workEst);
      workEstimation.put(filterNode.getFilter(), workEst);

      slice.finish();

      if (node.contents instanceof SIRFileReader || node.contents instanceof SIRFileWriter) {
        System.out.println("Found io " + node.contents);
        ioList.add(slice);
      }

      if (topSlice == null) topSlice = slice;
      sliceList.add(slice);
    }
  }