Code from BasicOptimizer.scala:75 executed in 532.21 seconds (5.365 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: 748019824680700
Reset training subject: 748024555415600
Adding measurement 8a6631b to history. Total: 0
LBFGS Accumulation History: 1 points
Constructing line search parameters: GD+Trust
th(0)=9.739349827170372;dx=-2.9372430514154176E-6
New Minimum: 9.739349827170372 > 9.739340469241142
WOLFE (weak): th(2.154434690031884)=9.739340469241142; dx=-2.9352098042028935E-6 evalInputDelta=9.357929229736328E-6
New Minimum: 9.739340469241142 > 9.739330723881721
WOLFE (weak): th(4.308869380063768)=9.739330723881721; dx=-2.9345841878404623E-6 evalInputDelta=1.9103288650512695E-5
New Minimum: 9.739330723881721 > 9.73929287493229
WOLFE (weak): th(12.926608140191302)=9.73929287493229; dx=-2.9350493322861774E-6 evalInputDelta=5.695223808288574E-5
New Minimum: 9.73929287493229 > 9.739122658967972
WOLFE (weak): th(51.70643256076521)=9.739122658967972; dx=-2.933507237804444E-6 evalInputDelta=2.2716820240020752E-4
New Minimum: 9.739122658967972 > 9.738214202225208
WOLFE (weak): th(258.53216280382605)=9.738214202225208; dx=-2.9353206915994667E-6 evalInputDelta=0.0011356249451637268
New Minimum: 9.738214202225208 > 9.732543237507343
WOLFE (weak): th(1551.1929768229563)=9.732543237507343; dx=-2.9231026968293863E-6 evalInputDelta=0.006806589663028717
New Minimum: 9.732543237507343 > 9.692205056548119
WOLFE (weak): th(10858.350837760694)=9.692205056548119; dx=-2.85827175578822E-6 evalInputDelta=0.04714477062225342
New Minimum: 9.692205056548119 > 9.378110438585281
END: th(86866.80670208555)=9.378110438585281; dx=-2.353516650160879E-6 evalInputDelta=0.36123938858509064
Fitness changed from 9.739349827170372 to 9.378110438585281
Iteration 1 complete. Error: 9.378110438585281 Total: 51.4905; Orientation: 0.0175; Line Search: 38.5103
<a id="p-3"></a>Iteration 1
<a id="p-2"></a>
Adding measurement 7186b202 to history. Total: 1
LBFGS Accumulation History: 2 points
th(0)=9.378110438585281;dx=-3.915965505157306E-6
New Minimum: 9.37811
...skipping 25016 bytes...
t 3002e397 to history. Total: 3
Rejected: LBFGS Orientation magnitude: 2.785e+02, gradient 2.740e-04, dot -0.791; [f4fc3e74-f4f1-4f91-a066-a0365113bd21 = 1.000/1.000e+00]
Orientation rejected. Popping history element from 3.027460627257824, 2.9753590375185013, 2.945012152194977, 2.909731946885586
LBFGS Accumulation History: 3 points
Removed measurement 5b02a984 to history. Total: 4
th(0)=2.909731946885586;dx=-7.485545070997294E-8
New Minimum: 2.909731946885586 > 2.881220906972885
END: th(550861.3049874114)=2.881220906972885; dx=-1.1086258345433213E-8 evalInputDelta=0.028511039912700653
Fitness changed from 2.909731946885586 to 2.881220906972885
Iteration 29 complete. Error: 2.881220906972885 Total: 12.4914; Orientation: 0.1349; Line Search: 8.3740
Adding measurement 21b51e59 to history. Total: 3
Rejected: LBFGS Orientation magnitude: 3.271e+02, gradient 3.395e-04, dot -0.609; [f4fc3e74-f4f1-4f91-a066-a0365113bd21 = 1.000/1.000e+00]
Orientation rejected. Popping history element from 2.9753590375185013, 2.945012152194977, 2.909731946885586, 2.881220906972885
LBFGS Accumulation History: 3 points
Removed measurement 2e6d76ba to history. Total: 4
th(0)=2.881220906972885;dx=-1.1495030434370393E-7
Armijo: th(1186794.7048611126)=2.8889691084623337; dx=4.335093046009215E-8 evalInputDelta=-0.007748201489448547
New Minimum: 2.881220906972885 > 2.857556588947773
WOLF (strong): th(593397.3524305563)=2.857556588947773; dx=3.621473428145589E-8 evalInputDelta=0.023664318025112152
New Minimum: 2.857556588947773 > 2.8565725684165955
END: th(197799.11747685212)=2.8565725684165955; dx=-5.265929731987096E-8 evalInputDelta=0.024648338556289673
Fitness changed from 2.881220906972885 to 2.8565725684165955
Iteration 30 complete. Error: 2.8565725684165955 Total: 20.8018; Orientation: 0.1318; Line Search: 16.4973
<a id="p-21"></a>Iteration 30
<a id="p-20"></a>
Final threshold in iteration 31: 2.8565725684165955 (> -Infinity) after 532.198s (< 3600.000s)
2.8565725684165955