Code from BasicOptimizer.scala:75 executed in 977.52 seconds (12.012 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: 1237239034278400
Reset training subject: 1237248194512900
Adding measurement 147059f8 to history. Total: 0
LBFGS Accumulation History: 1 points
Constructing line search parameters: GD+Trust
th(0)=5.231574700154653;dx=-2.707198050403711E-5
New Minimum: 5.231574700154653 > 5.231549204482906
WOLFE (weak): th(2.154434690031884)=5.231549204482906; dx=-2.7071848656201783E-5 evalInputDelta=2.549567174625622E-5
New Minimum: 5.231549204482906 > 5.23152403560111
WOLFE (weak): th(4.308869380063768)=5.23152403560111; dx=-2.7063217741030577E-5 evalInputDelta=5.066455354274524E-5
New Minimum: 5.23152403560111 > 5.231422471374289
WOLFE (weak): th(12.926608140191302)=5.231422471374289; dx=-2.706168770298241E-5 evalInputDelta=1.5222878036347254E-4
New Minimum: 5.231422471374289 > 5.2309653994385075
WOLFE (weak): th(51.70643256076521)=5.2309653994385075; dx=-2.7054799521960074E-5 evalInputDelta=6.09300716145178E-4
New Minimum: 5.2309653994385075 > 5.2285302240560565
WOLFE (weak): th(258.53216280382605)=5.2285302240560565; dx=-2.7030868331702468E-5 evalInputDelta=0.0030444760985961494
New Minimum: 5.2285302240560565 > 5.212815222398315
WOLFE (weak): th(1551.1929768229563)=5.212815222398315; dx=-2.6786703384431206E-5 evalInputDelta=0.018759477756337795
New Minimum: 5.212815222398315 > 5.106888757695052
WOLFE (weak): th(10858.350837760694)=5.106888757695052; dx=-2.5209199598512254E-5 evalInputDelta=0.12468594245960052
New Minimum: 5.106888757695052 > 4.453063458923259
END: th(86866.80670208555)=4.453063458923259; dx=-1.5451422221986013E-5 evalInputDelta=0.7785112412313939
Fitness changed from 5.231574700154653 to 4.453063458923259
Iteration 1 complete. Error: 4.453063458923259 Total: 97.1109; Orientation: 0.0066; Line Search: 72.0214
<a id="p-3"></a>Iteration 1
<a id="p-2"></a>
Adding measurement 1a85e86e to history. Total: 1
LBFGS Accumulation History: 2 points
th(0)=4.453063458923259;dx=-1.1407765351337864E-5
New Minimum
...skipping 23978 bytes...
adient 2.054e-04, dot -0.687; [a7b0bd55-e5cf-466c-94ec-b20894bb8391 = 1.000/1.000e+00]
Orientation rejected. Popping history element from 0.3941289844671663, 0.3692034998944913, 0.3526854779168613, 0.3400045713290847
LBFGS Accumulation History: 3 points
Removed measurement 7ee3a2ed to history. Total: 4
th(0)=0.3400045713290847;dx=-4.219964737884308E-8
Armijo: th(1.0445962524205731E7)=0.4273653983995338; dx=1.1882521449337278E-8 evalInputDelta=-0.08736082707044912
New Minimum: 0.3400045713290847 > 0.33615517624581476
END: th(5222981.262102866)=0.33615517624581476; dx=-7.217899836017342E-9 evalInputDelta=0.003849395083269924
Fitness changed from 0.3400045713290847 to 0.33615517624581476
Iteration 29 complete. Error: 0.33615517624581476 Total: 31.7446; Orientation: 0.1989; Line Search: 23.7279
Adding measurement 368ff8be to history. Total: 3
Rejected: LBFGS Orientation magnitude: 2.304e+03, gradient 2.436e-04, dot -0.558; [a7b0bd55-e5cf-466c-94ec-b20894bb8391 = 1.000/1.000e+00]
Orientation rejected. Popping history element from 0.3692034998944913, 0.3526854779168613, 0.3400045713290847, 0.33615517624581476
LBFGS Accumulation History: 3 points
Removed measurement 17f8cad6 to history. Total: 4
th(0)=0.33615517624581476;dx=-5.9362574796359516E-8
Armijo: th(1.1252572016460925E7)=0.536968973682133; dx=4.477848614713845E-8 evalInputDelta=-0.20081379743631828
Armijo: th(5626286.008230463)=0.34968855930709747; dx=1.2936288765215519E-8 evalInputDelta=-0.013533383061282711
New Minimum: 0.33615517624581476 > 0.3130680907415716
END: th(1875428.6694101542)=0.3130680907415716; dx=-2.8908281106670505E-8 evalInputDelta=0.023087085504243154
Fitness changed from 0.33615517624581476 to 0.3130680907415716
Iteration 30 complete. Error: 0.3130680907415716 Total: 39.8032; Orientation: 0.1990; Line Search: 31.7782
<a id="p-21"></a>Iteration 30
<a id="p-20"></a>
Final threshold in iteration 31: 0.3130680907415716 (> -Infinity) after 977.513s (< 3600.000s)
0.3130680907415716