_202_jess Last updated: January 19, 2003

JESS is the Java Expert Shell System is based on NASA's CLIPS expert shell system. In simplest terms, an expert shell system continuously applies a set of if-then statements, called rules, to a set of data, called the fact list. The benchmark workload solves a set of puzzles commonly used with CLIPS. To increase run time the benchmark problem iteratively asserts a new set of facts representing the same puzzle but with different literals. The older sets of facts are not retracted. Thus the inference engine must search through progressively larger rule sets as execution proceeds. (Source: SPEC)

The data size for the execution was 100.

Metrics

• base.allocatedBytes.value: 530790408
• base.allocations.value: 7947362
• base.executedInstructions.value: 1799912320
• base.methods.value: 112635865
• base.loadedClasses.value: 557
• memory.byteAllocationDensity.value: 294.898
• memory.objectAllocationDensity.value: 4.415
• memory.averageObjectSize.value: 66.788
• memory.averageObjectSize.bin:
  
  

  From	To	Value
  8	8	0.000
  16	16	0.178
  24	24	0.166
  32	32	0.248
  40	40	0.009
  48	72	0.396
  80	136	0.002
  144	392	0.001
  400	+Inf	0.001

  
  
• polymorphism.callSites.value: 1293
• polymorphism.receiverArity.bin:
  
  

  From	To	Value
  1	1	0.980
  2	2	0.016
  3	+Inf	0.004

  
  
• polymorphism.targetArity.bin:
  
  

  From	To	Value
  1	1	0.988
  2	2	0.009
  3	+Inf	0.003

  
  
• polymorphism.receiverArityCalls.bin:
  
  

  From	To	Value
  1	1	0.940
  2	2	0.024
  3	+Inf	0.036

  
  
• polymorphism.targetArityCalls.bin:
  
  

  From	To	Value
  1	1	0.940
  2	2	0.024
  3	+Inf	0.036

  
  
• polymorphism.receiverPolyDensity.value: 0.020
• polymorphism.targetPolyDensity.value: 0.012
• polymorphism.receiverCacheMissRate.value: 0.028
• polymorphism.targetCacheMissRate.value: 0.028
• polymorphism.callSites.value (Application Only): 732
• polymorphism.receiverArity.bin (Application Only):
  
  

  From	To	Value
  1	1	0.986
  2	2	0.011
  3	+Inf	0.003

  
  
• polymorphism.targetArity.bin (Application Only):
  
  

  From	To	Value
  1	1	0.992
  2	2	0.007
  3	+Inf	0.001

  
  
• polymorphism.receiverArityCalls.bin (Application Only):
  
  

  From	To	Value
  1	1	0.997
  2	2	0.003
  3	+Inf	0.000

  
  
• polymorphism.targetArityCalls.bin (Application Only):
  
  

  From	To	Value
  1	1	0.997
  2	2	0.002
  3	+Inf	0.000

  
  
• polymorphism.receiverPolyDensity.value (Application Only): 0.014
• polymorphism.targetPolyDensity.value (Application Only): 0.008
• polymorphism.receiverCacheMissRate.value (Application Only): 0.000
• polymorphism.targetCacheMissRate.value (Application Only): 0.000
• size.load.value: 22370
• size.run.value: 11634
• size.hot.value: 476
• size.hot.percentile: 0.041
• concurrency.lockDensity.value: 0.006
• concurrency.lockContendedDensity.value: 0.000
• concurrency.lock.percentile: 0.419
• concurrency.lockContended.percentile: 1.000
• data.floatDensity.value: 12.100
• data.arrayDensity.value: 55.175

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