NQueens Last updated: January 19, 2003

NQueens solves the classical 8 queens problem, where 8 queens are to be placed on a check board without any queen attacking any other.

Metrics

• base.allocatedBytes.value: 1128056
• base.allocations.value: 8662
• base.executedInstructions.value: 2636909
• base.methods.value: 141308
• base.loadedClasses.value: 381
• memory.byteAllocationDensity.value: 427.795
• memory.objectAllocationDensity.value: 3.285
• memory.averageObjectSize.value: 130.230
• memory.averageObjectSize.bin:
  
  

  From	To	Value
  8	8	0.003
  16	16	0.091
  24	24	0.297
  32	32	0.052
  40	40	0.142
  48	72	0.338
  80	136	0.045
  144	392	0.025
  400	+Inf	0.007

  
  
• polymorphism.callSites.value: 473
• polymorphism.receiverArity.bin:
  
  

  From	To	Value
  1	1	0.973
  2	2	0.025
  3	+Inf	0.002

  
  
• polymorphism.targetArity.bin:
  
  

  From	To	Value
  1	1	0.983
  2	2	0.015
  3	+Inf	0.002

  
  
• polymorphism.receiverArityCalls.bin:
  
  

  From	To	Value
  1	1	0.936
  2	2	0.043
  3	+Inf	0.003

  
  
• polymorphism.targetArityCalls.bin:
  
  

  From	To	Value
  1	1	0.970
  2	2	0.008
  3	+Inf	0.003

  
  
• polymorphism.receiverPolyDensity.value: 0.027
• polymorphism.targetPolyDensity.value: 0.017
• polymorphism.receiverCacheMissRate.value: 0.008
• polymorphism.targetCacheMissRate.value: 0.007
• polymorphism.callSites.value (Application Only): 3
• polymorphism.receiverArity.bin (Application Only):
  
  

  From	To	Value
  1	1	0.667
  2	2	0.333
  3	+Inf	0.000

  
  
• polymorphism.targetArity.bin (Application Only):
  
  

  From	To	Value
  1	1	0.667
  2	2	0.333
  3	+Inf	0.000

  
  
• polymorphism.receiverArityCalls.bin (Application Only):
  
  

  From	To	Value
  1	1	0.529
  2	2	0.471
  3	+Inf	0.000

  
  
• polymorphism.targetArityCalls.bin (Application Only):
  
  

  From	To	Value
  1	1	0.529
  2	2	0.471
  3	+Inf	0.000

  
  
• polymorphism.receiverPolyDensity.value (Application Only): 0.333
• polymorphism.targetPolyDensity.value (Application Only): 0.333
• polymorphism.receiverCacheMissRate.value (Application Only): 0.003
• polymorphism.targetCacheMissRate.value (Application Only): 0.003
• size.load.value: 167
• size.run.value: 159
• size.hot.value: 70
• size.hot.percentile: 0.440
• concurrency.lockDensity.value: 3.603
• concurrency.lockContendedDensity.value: 0.000
• concurrency.lock.percentile: 0.316
• concurrency.lockContended.percentile: N/A
• data.floatDensity.value: 0.491
• data.arrayDensity.value: 42.330

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