@Override
    public void aggregate(int hash) {
        int existingValue = data[hash & bucketMask];
        int newValue = Integer.numberOfLeadingZeros(hash | bucketMask) + 1;
        data[hash & bucketMask] = (byte) Math.max(newValue, existingValue);
    }
Aggregates the hash value.

@param hash Hash value.
searchlib/src/main/java/com/yahoo/searchlib/aggregation/hll/NormalSketch.java