Class TryVarOrder

java.lang.Object
com.github.javabdd.TryVarOrder

public class TryVarOrder extends Object
Try var order.
  • Constructor Details

    • TryVarOrder

      public TryVarOrder(int nodeTableSize, int cacheSize, int maxIncrease, long bestTime, long delayTime)
  • Method Details

    • init

      public void init(BDD b1, BDD b2, BDD dom, BDDFactory.BDDOp op) throws IOException
      Initialize for a new trial. Takes the given input BDDs and saves them out to temporary files.
      Parameters:
      b1 - first input to applyEx
      b2 - second input to applyEx
      dom - third input to applyEx
      op - operation to be passed to applyEx
      Throws:
      IOException - In case of an I/O error.
    • cleanup

      public void cleanup()
      Clean up the temporary files.
    • writeBDDConfig

      public void writeBDDConfig(BDDFactory bdd, String fileName) throws IOException
      Write the BDD configuration to a file.
      Parameters:
      bdd - BDD factory
      fileName - filename
      Throws:
      IOException - In case of an I/O error.
    • tryOrder

      public long tryOrder(String factory, boolean reverse, String varOrder)
      Try out a variable order.
      Parameters:
      factory - BDD factory name
      reverse - whether to reverse the bits
      varOrder - variable order to try
      Returns:
      time spent, or Long.MAX_VALUE if it didn't terminate
    • getBestOrder

      public String getBestOrder()
    • getBestTime

      public long getBestTime()