BasicOptimizer.scala:89 executed in 22.87 seconds (0.218 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: 37619809291300
Reset training subject: 37622401910400
Corrupt weights measurement
LBFGS Accumulation History: 0 points
Constructing line search parameters: GD+Trust
th(0)=-72.61257894029625;dx=-4.822883781576236E-6
END: th(2.154434690031884)=-72.6125883653567; dx=-3.944127107191788E-6 evalInputDelta=9.42506045475966E-6
Fitness changed from -72.61886282785088 to -72.61886282785088
Static Iteration Total: 12.8304; Orientation: 0.0376; Line Search: 5.3168
Iteration 1 failed. Error: -72.61886282785088
Previous Error: 0.0 -> -72.61886282785088
Retrying iteration 1
Reset training subject: 37632639858100
Corrupt weights measurement
LBFGS Accumulation History: 0 points
th(0)=-72.61257894029625;dx=-4.822888353985267E-6
END: th(4.641588833612779)=-72.61260014668052; dx=-3.941798189321987E-6 evalInputDelta=2.1206384275274104E-5
Fitness changed from -72.61886282785088 to -72.61886282785088
Static Iteration Total: 10.0351; Orientation: 0.0344; Line Search: 5.0267
Iteration 2 failed. Error: -72.61886282785088
Previous Error: 0.0 -> -72.61886282785088
Optimization terminated 2
Final threshold in iteration 2: -72.61886282785088 (> -Infinity) after 22.866s (< 5400.000s)
Returns
-72.61886282785088