private void benchmarkKD(Renderer renderer) {
// Experiment with different settings for parameters for grid
StringBuilder sb;
System.err.println("------------------------");
System.err.println("Starting extended BVH benchmark");
System.err.println("------------------------");
Scene scene = SceneFactory.getBVHScene();
for (int i = 20; i < 200; i += 50) {
System.err.println("KD leaf contents: " + i);
sb = new StringBuilder();
sb.append(
"nbSpheres | nbIntersections"
+ i
+ " | mem"
+ i
+ " | buildtime"
+ i
+ " | rendertime"
+ i
+ '\n');
Settings.KDTREE_ELEMENTS_IN_LEAF = i;
iterate(renderer, sb, scene);
toFile(sb.toString(), "kdtree" + i);
}
}
private void benchmarkAll(Renderer renderer) {
StringBuilder sb;
HashMap<String, Scene> scenes = new HashMap<String, Scene>();
scenes.put("basic", new Scene());
scenes.put("grid", SceneFactory.getGridScene());
scenes.put("KD", SceneFactory.getBVHScene());
// Compare all different acceleration structures with one another
for (String sceneType : scenes.keySet()) {
sb = new StringBuilder();
sb.append(
"nbSpheres | nbIntersections"
+ sceneType
+ " | mem"
+ sceneType
+ " | buildtime"
+ sceneType
+ " | rendertime"
+ sceneType
+ '\n');
System.err.println("------------------------");
System.err.println("Starting " + sceneType + " benchmark");
System.err.println("------------------------");
Scene scene = scenes.get(sceneType);
iterate(renderer, sb, scene);
System.out.println("Writing stats to file");
toFile(sb.toString(), sceneType);
}
}