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OptiPass 2

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Smart Sampling and stuff
This commit is contained in:
Brian Neumann-Fopiano
2026-04-15 13:26:52 -04:00
parent dcb3306197
commit b42d0e4710
3 changed files with 877 additions and 160 deletions
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core/src/main/java/art/arcane/iris/engine/mantle/components/IrisCaveCarver3D.java
+797 -121
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File diff suppressed because it is too large Load Diff
core/src/main/java/art/arcane/iris/engine/object/IrisCaveProfile.java
+13
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@@ -68,6 +68,19 @@ public class IrisCaveProfile {
@Desc("Vertical sample step used while evaluating cave density.")
private int sampleStep = 1;
@Desc("Use adaptive cave density prediction so only threshold-adjacent cells fall back to full-resolution evaluation.")
private boolean adaptiveSampling = true;
@MinNumber(2)
@MaxNumber(4)
@Desc("Horizontal adaptive predictor grid step used while classifying cave density planes.")
private int adaptiveSampleStep = 2;
@MinNumber(0)
@MaxNumber(1)
@Desc("Additional adaptive ambiguity margin used before the cave predictor falls back to exact sampling.")
private double adaptiveThresholdMargin = 0.04;
@MinNumber(0)
@MaxNumber(4096)
@Desc("Minimum carved cells expected from this profile before recovery boost applies.")
core/src/test/java/art/arcane/iris/engine/mantle/components/IrisCaveCarver3DNearParityTest.java
+37 -9
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@@ -130,12 +130,12 @@ public class IrisCaveCarver3DNearParityTest {
@Test
public void exactPathMatchesNaiveReferenceWithoutWarpOrModules() throws Exception {
assertExactParity(false, false);
assertExactParity(false, false, false);
}
@Test
public void exactPathMatchesNaiveReferenceWithWarpAndModules() throws Exception {
assertExactParity(true, true);
assertExactParity(true, true, false);
}
@Test
@@ -145,12 +145,12 @@ public class IrisCaveCarver3DNearParityTest {
int[] precomputedSurfaceHeights = filledHeights(90);
IrisRange worldYRange = new IrisRange(0D, 88D);
IrisCaveProfile exactProfile = createProfile(true, true).setSampleStep(1);
IrisCaveProfile exactProfile = createProfile(true, true).setSampleStep(1).setAdaptiveSampling(false);
IrisCaveCarver3D exactCarver = new IrisCaveCarver3D(engine, exactProfile);
WriterCapture exactCapture = createWriterCapture(96);
int exactCarved = exactCarver.carve(exactCapture.writer, 5, -1, columnWeights, 0D, 0D, worldYRange, precomputedSurfaceHeights);
IrisCaveProfile legacyProfile = createProfile(true, true).setSampleStep(2);
IrisCaveProfile legacyProfile = createProfile(true, true).setSampleStep(2).setAdaptiveSampling(false);
IrisCaveCarver3D legacyCarver = new IrisCaveCarver3D(engine, legacyProfile);
WriterCapture legacyCapture = createWriterCapture(96);
int legacyCarved = legacyCarver.carve(legacyCapture.writer, 5, -1, columnWeights, 0D, 0D, worldYRange, precomputedSurfaceHeights);
@@ -185,8 +185,8 @@ public class IrisCaveCarver3DNearParityTest {
@Test
public void optimizedExactPathOutperformsNaiveReference() throws Exception {
Engine engine = createEngine(128, 92);
IrisCaveCarver3D optimizedCarver = new IrisCaveCarver3D(engine, createProfile(true, true));
IrisCaveCarver3D naiveCarver = new IrisCaveCarver3D(engine, createProfile(true, true));
IrisCaveCarver3D optimizedCarver = new IrisCaveCarver3D(engine, createProfile(true, true).setAdaptiveSampling(false));
IrisCaveCarver3D naiveCarver = new IrisCaveCarver3D(engine, createProfile(true, true).setAdaptiveSampling(false));
double[] columnWeights = fullWeights();
int[] precomputedSurfaceHeights = filledHeights(92);
IrisRange worldYRange = new IrisRange(0D, 96D);
@@ -213,17 +213,45 @@ public class IrisCaveCarver3DNearParityTest {
assertTrue("expected at least 2.0x speedup but was " + speedup, speedup >= 2D);
}
private void assertExactParity(boolean warp, boolean modules) throws Exception {
@Test
public void adaptivePathStaysNearExactReferenceWithWarpAndModules() throws Exception {
Engine engine = createEngine(96, 90);
double[] columnWeights = fullWeights();
int[] precomputedSurfaceHeights = filledHeights(90);
IrisRange worldYRange = new IrisRange(0D, 88D);
IrisCaveCarver3D optimizedCarver = new IrisCaveCarver3D(engine, createProfile(warp, modules));
IrisCaveCarver3D adaptiveCarver = new IrisCaveCarver3D(engine, createProfile(true, true).setAdaptiveSampling(true));
WriterCapture adaptiveCapture = createWriterCapture(96);
int adaptiveCarved = adaptiveCarver.carve(adaptiveCapture.writer, 5, -1, columnWeights, 0D, 0D, worldYRange, precomputedSurfaceHeights);
IrisCaveCarver3D exactCarver = new IrisCaveCarver3D(engine, createProfile(true, true).setAdaptiveSampling(false));
WriterCapture exactCapture = createWriterCapture(96);
int exactCarved = exactCarver.carve(exactCapture.writer, 5, -1, columnWeights, 0D, 0D, worldYRange, precomputedSurfaceHeights);
Set<String> differingCells = new HashSet<>(adaptiveCapture.carvedCells);
differingCells.addAll(exactCapture.carvedCells);
Set<String> sharedCells = new HashSet<>(adaptiveCapture.carvedCells);
sharedCells.retainAll(exactCapture.carvedCells);
differingCells.removeAll(sharedCells);
int baselineCells = Math.max(1, exactCapture.carvedCells.size());
double carveDeltaRatio = Math.abs(adaptiveCarved - exactCarved) / (double) baselineCells;
double differingRatio = differingCells.size() / (double) baselineCells;
assertTrue("expected carve count delta below 2.5% but was " + carveDeltaRatio, carveDeltaRatio <= 0.025D);
assertTrue("expected carved cell delta below 3.5% but was " + differingRatio, differingRatio <= 0.035D);
}
private void assertExactParity(boolean warp, boolean modules, boolean adaptiveSampling) throws Exception {
Engine engine = createEngine(96, 90);
double[] columnWeights = fullWeights();
int[] precomputedSurfaceHeights = filledHeights(90);
IrisRange worldYRange = new IrisRange(0D, 88D);
IrisCaveCarver3D optimizedCarver = new IrisCaveCarver3D(engine, createProfile(warp, modules).setAdaptiveSampling(adaptiveSampling));
WriterCapture optimizedCapture = createWriterCapture(96);
int optimizedCarved = optimizedCarver.carve(optimizedCapture.writer, 5, -1, columnWeights, 0D, 0D, worldYRange, precomputedSurfaceHeights);
IrisCaveCarver3D naiveCarver = new IrisCaveCarver3D(engine, createProfile(warp, modules));
IrisCaveCarver3D naiveCarver = new IrisCaveCarver3D(engine, createProfile(warp, modules).setAdaptiveSampling(false));
WriterCapture naiveCapture = createWriterCapture(96);
int naiveCarved = carveNaiveExact(naiveCarver, naiveCapture.writer, 5, -1, columnWeights, worldYRange, precomputedSurfaceHeights);