Code from BasicOptimizer.scala:88 executed in 118.64 seconds (2.228 gc):
val lineSearchInstance: LineSearchStrategy = lineSearchFactory
val trainer = new IterativeTrainer(trainable)
trainer.setOrientation(orientation())
trainer.setMonitor(new TrainingMonitor() {
override def clear(): Unit = trainingMonitor.clear()
override def log(msg: String): Unit = {
trainingMonitor.log(msg)
BasicOptimizer.this.log(msg)
}
override def onStepFail(currentPoint: Step): Boolean = {
BasicOptimizer.this.onStepFail(trainable.addRef().asInstanceOf[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.addRef().asInstanceOf[Trainable], currentPoint)
trainingMonitor.onStepComplete(currentPoint)
super.onStepComplete(currentPoint)
}
})
trainer.setTimeout(trainingMinutes, TimeUnit.MINUTES)
trainer.setMaxIterations(trainingIterations)
trainer.setLineSearchFactory((_: CharSequence) => lineSearchInstance)
trainer.setTerminateThreshold(java.lang.Double.NEGATIVE_INFINITY)
val result = trainer.run.asInstanceOf[lang.Double]
trainer.freeRef()
result
Reset training subject: 2348600600617
Reset training subject: 2351007989108
Adding measurement 35c5ecc1 to history. Total: 0
LBFGS Accumulation History: 1 points
Constructing line search parameters: GD+Trust
th(0)=10.610761567950249;dx=-9.567709807557188E-7
New Minimum: 10.610761567950249 > 10.610758513212204
WOLFE (weak): th(2.154434690031884)=10.610758513212204; dx=-9.401809271787217E-7 evalInputDelta=3.0547380447387695E-6
New Minimum: 10.610758513212204 > 10.610755756497383
WOLFE (weak): th(4.308869380063768)=10.610755756497383; dx=-9.41839133848029E-7 evalInputDelta=5.811452865600586E-6
New Minimum: 10.610755756497383 > 10.610744670033455
WOLFE (weak): th(12.926608140191302)=10.610744670033455; dx=-9.415940654909508E-7 evalInputDelta=1.6897916793823242E-5
New Minimum: 10.610744670033455 > 10.610694468021393
WOLFE (weak): th(51.70643256076521)=10.610694468021393; dx=-9.378402018689899E-7 evalInputDelta=6.7099928855896E-5
New Minimum: 10.610694468021393 > 10.610425978899002
WOLFE (weak): th(258.53216280382605)=10.610425978899002; dx=-9.41854494747907E-7 evalInputDelta=3.3558905124664307E-4
New Minimum: 10.610425978899002 > 10.6087476760149
WOLFE (weak): th(1551.1929768229563)=10.6087476760149; dx=-9.418125276165616E-7 evalInputDelta=0.0020138919353485107
New Minimum: 10.6087476760149 > 10.596672609448433
WOLFE (weak): th(10858.350837760694)=10.596672609448433; dx=-9.394098016755551E-7 evalInputDelta=0.014088958501815796
New Minimum: 10.596672609448433 > 10.49841433763504
WOLFE (weak): th(86866.80670208555)=10.49841433763504; dx=-9.33064021548561E-7 evalInputDelta=0.11234723031520844
New Minimum: 10.49841433763504 > 9.645014330744743
END: th(781801.26031877)=9.645014330744743; dx=-8.317785335637205E-7 evalInputDelta=0.9657472372055054
Fitness changed from 10.610761567950249 to 9.645014330744743
Iteration 1 complete. Error: 9.645014330744743 Total: 33.0936; Orientation: 0.0090; Line Search: 25.5719
<a id="p-3"></a>Iteration 1
<a id="p-2"></a>
Adding mea
...skipping 5782 bytes...
ory. Total: 3
Rejected: LBFGS Orientation magnitude: 3.542e+03, gradient 2.263e-04, dot -0.349; [57e31a92-5da7-4051-a7ff-0f55b24da7a5 = 1.000/1.000e+00]
Orientation rejected. Popping history element from 0.11949354410171509, 8.048895180225372, 9.645014330744743, 10.610761567950249
LBFGS Accumulation History: 3 points
Removed measurement 59999bb6 to history. Total: 3
th(0)=0.11949354410171509;dx=-5.095638831869469E-8
New Minimum: 0.11949354410171509 > -0.22896724939346313
END: th(1.5120000000000002E7)=-0.22896724939346313; dx=-5.1948934382798486E-11 evalInputDelta=0.3484607934951782
Fitness changed from 0.11949354410171509 to -0.22896724939346313
Iteration 9 complete. Error: -0.22896724939346313 Total: 7.8023; Orientation: 0.2150; Line Search: 4.9441
Adding measurement 59e1cb44 to history. Total: 3
Rejected: LBFGS Orientation magnitude: 4.650e+03, gradient 2.371e-04, dot -0.352; [57e31a92-5da7-4051-a7ff-0f55b24da7a5 = 1.000/1.000e+00]
Orientation rejected. Popping history element from -0.22896724939346313, 8.048895180225372, 9.645014330744743, 10.610761567950249
LBFGS Accumulation History: 3 points
Removed measurement 59e1cb44 to history. Total: 3
th(0)=-0.22896724939346313;dx=-5.601052864296607E-8
Armijo: th(3.2575052513282087E7)=0.8025830388069153; dx=6.7777262602403E-8 evalInputDelta=-1.0315502882003784
New Minimum: -0.22896724939346313 > -0.30646106600761414
WOLF (strong): th(1.6287526256641043E7)=-0.30646106600761414; dx=3.7425235658779E-8 evalInputDelta=0.077493816614151
New Minimum: -0.30646106600761414 > -0.47173795104026794
END: th(5429175.418880348)=-0.47173795104026794; dx=-1.880341340561691E-8 evalInputDelta=0.2427707016468048
Fitness changed from -0.22896724939346313 to -0.47173795104026794
Iteration 10 complete. Error: -0.47173795104026794 Total: 13.2315; Orientation: 0.3429; Line Search: 10.2883
<a id="p-13"></a>Iteration 10
<a id="p-12"></a>
Final threshold in iteration 11: -0.47173795104026794 (> -Infinity) after 118.637s (< 3600.000s)
-0.47173795104026794