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introduce bitloops

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mike
2026-01-20 05:32:58 +01:00
parent a1061f5eb9
commit 47ead135d3
4 changed files with 23 additions and 12 deletions
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12
src/main/java/puzzle/Masker.java
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@@ -250,7 +250,7 @@ public final class Masker {
}
if ((bitCount(rLo) + bitCount(rHi)) < MIN_LEN) penalty += 8000;
int wordLen = bitCount(rLo) + bitCount(rHi);
if (wordLen > 5) penalty += (wordLen - 5) * 2000;
if (wordLen > 5) penalty += (wordLen - 5) * 1000L;
} else penalty += 25000;
}
for (long bits = hi_cl; bits != X; bits &= bits - 1) {
@@ -294,7 +294,7 @@ public final class Masker {
}
if ((bitCount(rLo) + bitCount(rHi)) < MIN_LEN) penalty += 8000;
int wordLen = bitCount(rLo) + bitCount(rHi);
if (wordLen > 5) penalty += (wordLen - 5) * 2000;
if (wordLen > 5) penalty += (wordLen - 5) * 1000L;
} else penalty += 25000;
}
@@ -307,8 +307,8 @@ public final class Masker {
rCount[idx & 7]++;
cCount[idx >> 3]++;
}
for (int rc : rCount) if (rc < 2) penalty += (2 - rc) * 4000;
for (int cc : cCount) if (cc < 2) penalty += (2 - cc) * 4000;
for (int rc : rCount) if (rc < 2) penalty += (2 - rc) * 4000L;
for (int cc : cCount) if (cc < 2) penalty += (2 - cc) * 4000L;
// Connectiviteitscheck
for (int i = 0; i < numClues; i++) {
@@ -368,7 +368,7 @@ public final class Masker {
totalReachedHi |= currentReachedHi;
}
if (maxReached < numClues) {
penalty += (numClues - maxReached) * 4000;
penalty += (numClues - maxReached) * 4000L;
penalty += 20000;
}
}
@@ -416,7 +416,7 @@ public final class Masker {
compHi |= expandedHi & hi_cl;
} while (compLo != lastLo || compHi != lastHi);
int s = bitCount(compLo) + bitCount(compHi);
if (s >= 2) penalty += (long) (s - 1) * 120;
if (s >= 2) penalty += (long) (s - 1) * 520;
remLo &= ~compLo;
remHi &= ~compHi;
}

2
src/main/java/puzzle/SwedishGenerator.java
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@@ -40,7 +40,7 @@ public record SwedishGenerator() {
public static final int MAX_WORD_LENGTH = Config.PUZZLE_ROWS;
public static final int MAX_WORD_LENGTH_PLUS_ONE = MAX_WORD_LENGTH + 1;
public static final int MIN_LEN = 2;//Neighbors9x8.MIN_LEN;//Config.MIN_LEN;
public static final int MAX_TRIES_PER_SLOT = 400;//Config.MAX_TRIES_PER_SLOT;
public static final int MAX_TRIES_PER_SLOT = 500;//Config.MAX_TRIES_PER_SLOT;
public static final int STACK_SIZE = 128;
public static final long RANGE_0_SIZE = Neighbors9x8.RANGE_0_SIZE;// (long) SIZE_MIN_1 - 0L + 1L
public static final long RANGE_0_624 = Neighbors9x8.RANGE_0_624;//624L - 0L + 1L;

20
src/test/java/puzzle/ConnectivityTest.java
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@@ -54,10 +54,22 @@ public class ConnectivityTest {
clues.setClueLo(1L << Masker.offset(2, 1), (byte)1);
long fitness = masker.maskFitness(clues, 2);
// Als 8-naburigheid NIET MEER meetelt, moet de penalty hoog zijn.
System.out.println("[DEBUG_LOG] Fitness physically adjacent: " + fitness);
assertTrue(fitness > 20000, "Should have island penalty even if physically adjacent");
// Als 8-naburigheid NIET MEER meetelt, moet de penalty hoog zijn.
System.out.println("[DEBUG_LOG] Fitness physically adjacent: " + fitness);
assertTrue(fitness > 20000, "Should have island penalty even if physically adjacent");
Clues clues2 = Clues.createEmpty();
// Twee clues naast elkaar, maar slots kruisen niet.
// Clue 1: (1,1) Right. Slot (1,2), (1,3), (1,4)
// Clue 2: (2,1) Right. Slot (2,2), (2,3), (2,4)
clues2.setClueLo(1L << Masker.offset(1, 1), (byte)1);
clues2.setClueLo(1L << Masker.offset(3, 1), (byte)1);
long fitness2 = new Masker(rng, new int[STACK_SIZE], Clues.createEmpty()).maskFitness(clues2, 2);
// Als 8-naburigheid NIET MEER meetelt, moet de penalty hoog zijn.
System.out.println("[DEBUG_LOG] Fitness physically adjacent: " + fitness2);
assertTrue(fitness2 > 20000, "Should have island penalty even if physically adjacent");
}
@Test

1
src/test/java/puzzle/PerformanceTest.java
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@@ -90,7 +90,6 @@ public class PerformanceTest {
val subset = Arrays.copyOf(allSlots, i);
// Arrays.sort(subset, Comparator.comparingInt(Slotinfo::score));
System.out.printf("[DEBUG_LOG] Testing with first %d slots%n of %s", i, allSlots.length);
var grid = Slotinfo.grid(subset);
visualizeSlots(subset);
measureFill(new Rng(123 + i), subset, "Subset size " + i);
}