Code from TextureTiledRotor.scala:68 executed in 0.00 seconds (0.000 gc):
implicit val _ = log
// First, basic configuration so we publish to our s3 site
log.setArchiveHome(URI.create(s"s3://$s3bucket/${getClass.getSimpleName.stripSuffix("$")}/${log.getId}/"))
log.onComplete(() => upload(log): Unit)
log.p(log.jpg(ImageArtUtil.load(log, styleUrl, (maxResolution * Math.sqrt(magnification)).toInt), "Input Style"))
val canvas = new AtomicReference[Tensor](null)
def rotatedCanvas = {
var input = canvas.get()
if (null == input) input else {
val viewLayer = getKaleidoscope(input.getDimensions)
viewLayer.eval(input).getDataAndFree.getAndFree(0)
}
}
// Generates a pretiled image (e.g. 3x3) to display
def tiledCanvas = {
var input = rotatedCanvas
if (null == input) input else {
val layer = new ImgTileAssemblyLayer(rowsAndCols, rowsAndCols)
val tensor = layer.eval((1 to (rowsAndCols * rowsAndCols)).map(_ => input): _*).getDataAndFree.getAndFree(0)
layer.freeRef()
tensor
}
}
// Kaleidoscope+Tiling layer used by the optimization engine.
// Expands the canvas by a small amount, using tile wrap to draw in the expanded boundary.
def viewLayer(dims: Seq[Int]) = {
val padding = Math.min(256, Math.max(16, dims(0) / 2))
val viewLayer = getKaleidoscope(dims.toArray).copyPipeline()
viewLayer.wrap(new ImgViewLayer(dims(0) + padding, dims(1) + padding, true)
.setOffsetX(-padding / 2).setOffsetY(-padding / 2)
).freeRef()
viewLayer
}
// Execute the main process while registered with the site index
val registration = registerWithIndexJPG(tiledCanvas)
try {
// Display a pre-tiled image inside the report itself
withMonitoredJpg(() => tiledCanvas.toImage) {
// Display an additional, non-tiled image of the canvas
withMonitoredJpg(() => Option(rotatedCanvas).map(_.toRgbImage).orNull) {
log.subreport("Painting", (sub: NotebookOutput) => {
paint(initUrl, initUrl, canvas, new VisualStyleNetwork(
styleLayers = List(
// We select all the lower-level layers to achieve a good balance between speed and accuracy.
VGG16.VGG16_0,
VGG16.VGG16_1a,
VGG16.VGG16_1b1,
VGG16.VGG16_1b2,
VGG16.VGG16_1c1,
VGG16.VGG16_1c2,
VGG16.VGG16_1c3
),
styleModifiers = List(
// These two operators are a good combination for a vivid yet accurate style
new GramMatrixEnhancer(),
new MomentMatcher()
),
styleUrl = List(styleUrl),
magnification = magnification,
viewLayer = viewLayer
), new BasicOptimizer {
override val trainingMinutes: Int = 30
override val trainingIterations: Int = 10
override val maxRate = 1e9
override def trustRegion(layer: Layer): TrustRegion = null
override def renderingNetwork(dims: Seq[Int]) = getKaleidoscope(dims.toArray).copyPipeline()
}, new GeometricSequence {
override val min: Double = minResolution
override val max: Double = maxResolution
override val steps = TextureTiledRotor.this.steps
}.toStream.map(_.round.toDouble): _*)(sub)
null
})
uploadAsync(log)
}(log)
}
null
} finally {
registration.foreach(_.stop()(s3client, ec2client))
}
}
<function0>