Examples of org.apache.flink.compiler.costs.Costs.compareTo()

Class org.apache.flink.compiler.costs.Costs

Examples of org.apache.flink.compiler.costs.Costs.compareTo()

org.apache.flink.compiler.costs.Costs.compareTo()
The order of comparison is: network first, then disk, then CPU. The comparison here happens each time primarily after the heuristic costs, then after the quantifiable costs. @see java.lang.Comparable#compareTo(java.lang.Object)

    
    // broadcast the smaller is better
    assertTrue(hashLargeBcSmall10.compareTo(hashSmallBcLarge10) < 0);
    assertTrue(forwardLargeBcSmall10.compareTo(forwardSmallBcLarge10) < 0);
    assertTrue(hashLargeBcSmall1000.compareTo(hashSmallBcLarge1000) < 0);
    assertTrue(forwardLargeBcSmall1000.compareTo(forwardSmallBcLarge1000) < 0);
    
    // broadcasting small and forwarding large is better than partition both, given size difference
    assertTrue(forwardLargeBcSmall10.compareTo(hashSmallAndLarge) < 0);
    
    // broadcasting too far is expensive again

View Full Code Here

    
    // broadcasting small and forwarding large is better than partition both, given size difference
    assertTrue(forwardLargeBcSmall10.compareTo(hashSmallAndLarge) < 0);
    
    // broadcasting too far is expensive again
    assertTrue(forwardLargeBcSmall1000.compareTo(hashSmallAndLarge) > 0);
    
    // assert weight is respected
    assertTrue(hashSmallBcLarge10.compareTo(hashSmallBcLarge1000) < 0);
    assertTrue(hashLargeBcSmall10.compareTo(hashLargeBcSmall1000) < 0);
    assertTrue(forwardSmallBcLarge10.compareTo(forwardSmallBcLarge1000) < 0);

View Full Code Here

    
    // forward versus hash
    assertTrue(forwardSmallBcLarge10.compareTo(hashSmallBcLarge10) < 0);
    assertTrue(forwardSmallBcLarge1000.compareTo(hashSmallBcLarge1000) < 0);
    assertTrue(forwardLargeBcSmall10.compareTo(hashLargeBcSmall10) < 0);
    assertTrue(forwardLargeBcSmall1000.compareTo(hashLargeBcSmall1000) < 0);
  }
  
  // --------------------------------------------------------------------------------------------
  
  @Test

View Full Code Here

    costEstimator.addHybridHashCosts(SMALL_ESTIMATES, SMALL_ESTIMATES, hashBothSmall, 1);
    costEstimator.addHybridHashCosts(BIG_ESTIMATES, BIG_ESTIMATES, hashBothLarge, 1);


    assertTrue(hashBothSmall.compareTo(hashSmallBuild) < 0);
    assertTrue(hashSmallBuild.compareTo(hashLargeBuild) < 0);
    assertTrue(hashLargeBuild.compareTo(hashBothLarge) < 0);
    
    // merge join costs
    
    Costs mergeBothSmall = new Costs();
    Costs mergeBothLarge = new Costs();

View Full Code Here

    
    assertTrue(mergeBothSmall.compareTo(mergeSmallFirst) < 0);
    assertTrue(mergeBothSmall.compareTo(mergeSmallSecond) < 0);
    assertTrue(mergeSmallFirst.compareTo(mergeSmallSecond) == 0);
    assertTrue(mergeSmallFirst.compareTo(mergeBothLarge) < 0);
    assertTrue(mergeSmallSecond.compareTo(mergeBothLarge) < 0);
    
    // compare merge join and hash join costs
    
    assertTrue(hashBothSmall.compareTo(mergeBothSmall) < 0);
    assertTrue(hashBothLarge.compareTo(mergeBothLarge) < 0);

View Full Code Here

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.