Examples with IntByteHashMap com.carrotsearch.hppc.IntByteHashMap used on opensource projects

Example 1 with IntByteHashMap

use of com.carrotsearch.hppc.IntByteHashMap in project lucene-solr by apache.

the class SparseHLLTest method assertOneRegisterSet.

/**
     * Asserts that only the specified register is set and has the specified value.
     */
private static void assertOneRegisterSet(final HLL hll, final int registerIndex, final byte registerValue) {
    final IntByteHashMap sparseProbabilisticStorage = hll.sparseProbabilisticStorage;
    assertEquals(sparseProbabilisticStorage.size(), 1);
    assertEquals(sparseProbabilisticStorage.get(registerIndex), registerValue);
}

Example 2 with IntByteHashMap

use of com.carrotsearch.hppc.IntByteHashMap in project lucene-solr by apache.

the class SparseHLLTest method randomValuesTest.

/**
     * Smoke tests the multisets by adding random values.
     */
@Test
public void randomValuesTest() {
    final int log2m = 11;
    final int regwidth = 5;
    final int sparseThreshold = 256;
    for (int run = 0; run < 100; run++) {
        final HLL hll = new HLL(log2m, regwidth, 128, /*explicitThreshold, arbitrary, unused*/
        sparseThreshold, HLLType.SPARSE);
        final IntByteHashMap map = new IntByteHashMap();
        for (int i = 0; i < sparseThreshold; i++) {
            final long rawValue = RandomizedTest.randomLong();
            final short registerIndex = ProbabilisticTestUtil.getRegisterIndex(rawValue, log2m);
            final byte registerValue = ProbabilisticTestUtil.getRegisterValue(rawValue, log2m);
            if (map.get(registerIndex) < registerValue) {
                map.put(registerIndex, registerValue);
            }
            hll.addRaw(rawValue);
        }
        for (IntByteCursor c : map) {
            final byte expectedRegisterValue = map.get(c.key);
            assertRegisterPresent(hll, c.key, expectedRegisterValue);
        }
    }
}

Example 3 with IntByteHashMap

use of com.carrotsearch.hppc.IntByteHashMap in project lucene-solr by apache.

the class SparseHLLTest method assertElementsEqual.

/**
     * Asserts that all registers in the two {@link HLL} instances are identical.
     */
private static void assertElementsEqual(final HLL hllA, final HLL hllB) {
    final IntByteHashMap sparseProbabilisticStorageA = hllA.sparseProbabilisticStorage;
    final IntByteHashMap sparseProbabilisticStorageB = hllB.sparseProbabilisticStorage;
    assertEquals(sparseProbabilisticStorageA.size(), sparseProbabilisticStorageB.size());
    for (IntByteCursor c : sparseProbabilisticStorageA) {
        assertEquals(sparseProbabilisticStorageA.get(c.key), sparseProbabilisticStorageB.get(c.key));
    }
}

Example 4 with IntByteHashMap

use of com.carrotsearch.hppc.IntByteHashMap in project lucene-solr by apache.

the class SparseHLLTest method assertRegisterPresent.

//*************************************************************************
// assertion helpers
/**
     * Asserts that the register at the specified index is set to the specified
     * value.
     */
private static void assertRegisterPresent(final HLL hll, final int registerIndex, final int registerValue) {
    final IntByteHashMap sparseProbabilisticStorage = hll.sparseProbabilisticStorage;
    assertEquals(sparseProbabilisticStorage.get(registerIndex), registerValue);
}