Code from BasicOptimizer.scala:75 executed in 115.54 seconds (1.388 gc):
val lineSearchInstance: LineSearchStrategy = lineSearchFactory
IterativeTrainer.wrap(trainable)
.setOrientation(orientation())
.setMonitor(new TrainingMonitor() {
override def clear(): Unit = trainingMonitor.clear()
override def log(msg: String): Unit = trainingMonitor.log(msg)
override def onStepFail(currentPoint: Step): Boolean = {
BasicOptimizer.this.onStepFail(trainable, currentPoint)
}
override def onStepComplete(currentPoint: Step): Unit = {
if (0 < logEvery && (0 == currentPoint.iteration % logEvery || currentPoint.iteration < logEvery)) {
val image = currentImage
timelineAnimation += image
val caption = "Iteration " + currentPoint.iteration
out.p(caption + "\n" + out.jpg(image, caption))
}
BasicOptimizer.this.onStepComplete(trainable, currentPoint)
trainingMonitor.onStepComplete(currentPoint)
super.onStepComplete(currentPoint)
}
})
.setTimeout(trainingMinutes, TimeUnit.MINUTES)
.setMaxIterations(trainingIterations)
.setLineSearchFactory((_: CharSequence) => lineSearchInstance)
.setTerminateThreshold(java.lang.Double.NEGATIVE_INFINITY)
.runAndFree
.asInstanceOf[lang.Double]
Reset training subject: 925482026115400
Reset training subject: 925485858091300
Adding measurement 3a852e68 to history. Total: 0
LBFGS Accumulation History: 1 points
Constructing line search parameters: GD+Trust
th(0)=1.6608703285455704;dx=-1.1359405211627287E-6
New Minimum: 1.6608703285455704 > 1.6608688235282898
WOLFE (weak): th(2.154434690031884)=1.6608688235282898; dx=-1.1359476307792095E-6 evalInputDelta=1.5050172805786133E-6
New Minimum: 1.6608688235282898 > 1.6608664020895958
WOLFE (weak): th(4.308869380063768)=1.6608664020895958; dx=-1.1359807552827754E-6 evalInputDelta=3.926455974578857E-6
New Minimum: 1.6608664020895958 > 1.6608568876981735
WOLFE (weak): th(12.926608140191302)=1.6608568876981735; dx=-1.136096726395099E-6 evalInputDelta=1.3440847396850586E-5
New Minimum: 1.6608568876981735 > 1.6608165204524994
WOLFE (weak): th(51.70643256076521)=1.6608165204524994; dx=-1.1357843409552513E-6 evalInputDelta=5.380809307098389E-5
New Minimum: 1.6608165204524994 > 1.6606015264987946
WOLFE (weak): th(258.53216280382605)=1.6606015264987946; dx=-1.1345892299440903E-6 evalInputDelta=2.6880204677581787E-4
New Minimum: 1.6606015264987946 > 1.65925931930542
WOLFE (weak): th(1551.1929768229563)=1.65925931930542; dx=-1.1347236776798559E-6 evalInputDelta=0.0016110092401504517
New Minimum: 1.65925931930542 > 1.6496504098176956
WOLFE (weak): th(10858.350837760694)=1.6496504098176956; dx=-1.1130354835939196E-6 evalInputDelta=0.011219918727874756
New Minimum: 1.6496504098176956 > 1.5784084647893906
END: th(86866.80670208555)=1.5784084647893906; dx=-9.491798385343829E-7 evalInputDelta=0.08246186375617981
Fitness changed from 1.6608703285455704 to 1.5784084647893906
Iteration 1 complete. Error: 1.5784084647893906 Total: 47.3135; Orientation: 0.0664; Line Search: 36.0843
<a id="p-3"></a>Iteration 1
<a id="p-2"></a>
Adding measurement 4d017f68 to history. Total: 1
LBFGS Accumulation History: 2 points
th(0)=1.5784084647893906;dx=-9.386445404
...skipping 1826 bytes...
>Iteration 4
<a id="p-8"></a>
Adding measurement 46e3fa83 to history. Total: 3
Rejected: LBFGS Orientation magnitude: 9.945e+02, gradient 5.769e-04, dot -0.809; [b9718163-ccdb-43d0-a180-dd0f8fcb0ebd = 1.000/1.000e+00]
Orientation rejected. Popping history element from 1.5784084647893906, 1.444474570453167, 1.2646901905536652, 1.0596437007188797
LBFGS Accumulation History: 3 points
Removed measurement 4d017f68 to history. Total: 4
th(0)=1.0596437007188797;dx=-3.3278999262229364E-7
New Minimum: 1.0596437007188797 > 0.8550777733325958
END: th(1871488.617712673)=0.8550777733325958; dx=-4.836988376707908E-8 evalInputDelta=0.20456592738628387
Fitness changed from 1.0596437007188797 to 0.8550777733325958
Iteration 5 complete. Error: 0.8550777733325958 Total: 13.3773; Orientation: 1.9081; Line Search: 7.6198
<a id="p-11"></a>Iteration 5
<a id="p-10"></a>
Adding measurement 65a9b8 to history. Total: 3
Rejected: LBFGS Orientation magnitude: 1.126e+03, gradient 5.726e-04, dot -0.684; [b9718163-ccdb-43d0-a180-dd0f8fcb0ebd = 1.000/1.000e+00]
Orientation rejected. Popping history element from 1.444474570453167, 1.2646901905536652, 1.0596437007188797, 0.8550777733325958
LBFGS Accumulation History: 3 points
Removed measurement 7ed780c6 to history. Total: 4
th(0)=0.8550777733325958;dx=-3.279038830267932E-7
New Minimum: 0.8550777733325958 > 0.7608519345521927
WOLF (strong): th(4032000.0000000014)=0.7608519345521927; dx=7.1360622434525E-9 evalInputDelta=0.09422583878040314
New Minimum: 0.7608519345521927 > 0.7252243757247925
END: th(2016000.0000000007)=0.7252243757247925; dx=-6.054770183004162E-9 evalInputDelta=0.12985339760780334
Fitness changed from 0.8550777733325958 to 0.7252243757247925
Iteration 6 complete. Error: 0.7252243757247925 Total: 17.2304; Orientation: 1.9221; Line Search: 11.4696
Final threshold in iteration 7: 0.7252243757247925 (> -Infinity) after 115.537s (< 720.000s)
0.7252243757247925