Capacity Test Results

January 5, 2015

Global parameters

tmParams:
    cellsPerColumn: 8
    initialPermanence: 0.5
    connectedPermanence: 0.6
    permanenceIncrement: 0.1
    permanenceDecrement: 0.02
    maxSegmentsPerCell: 255
    maxSynapsesPerSegment: 255
tpParams:
    synPermInactiveDec: 0
    synPermActiveInc: 0.001
    synPredictedInc: 0.5

1024 columns, strict parameters

Parameters

n: 1024
w: 20
tmParams:
  columnDimensions: [1024]
  minThreshold: 40
  activationThreshold: 40
  maxNewSynapseCount: 40
tpParams:
  columnDimensions: [1024]
  numActiveColumnsPerInhArea: 20
  potentialPct: 0.9
  initConnectedPct: 0.5

Results

1024_strict.xlsx

2 worlds, increasing # elements

10 elements, increasing # worlds

1024 columns, reasonable parameters (v1)

Parameters

n: 1024
w: 20
tmParams:
  columnDimensions: [1024]
  minThreshold: 9
  activationThreshold: 12
  maxNewSynapseCount: 20
tpParams:
  columnDimensions: [1024]
  numActiveColumnsPerInhArea: 20
  potentialPct: 0.9
  initConnectedPct: 0.5
  poolingThreshUnpredicted: 0.4

Results

1024_reasonable1.xlsx

2 worlds, increasing # elements

10 elements, increasing # worlds

1024 columns, reasonable parameters (v2)

Parameters

n: 1024
w: 20
tmParams:
  columnDimensions: [1024]
  minThreshold: 15
  activationThreshold: 20
  maxNewSynapseCount: 30
tpParams:
  columnDimensions: [1024]
  numActiveColumnsPerInhArea: 20
  potentialPct: 0.9
  initConnectedPct: 0.5
  poolingThreshUnpredicted: 0.4

Results

1024_reasonable2.xlsx

2 worlds, increasing # elements

10 elements, increasing # worlds

1024 columns, reasonable parameters (v3)

Parameters

n: 1024
w: 20
tmParams:
  columnDimensions: [1024]
  minThreshold: 20
  activationThreshold: 20
  maxNewSynapseCount: 30
tpParams:
  columnDimensions: [1024]
  numActiveColumnsPerInhArea: 20
  potentialPct: 0.9
  initConnectedPct: 0.5
  poolingThreshUnpredicted: 0.4

Results

1024_reasonable3.xlsx

2 worlds, increasing # elements

10 elements, increasing # worlds