While working on a Cuckoo Filter implementation in C#, I created an array-like structure for the underlying hash table. I chose an 8-bit fingerprint: it aligns nicely on a byte boundary and still keeps the false-positive rate around 3 %. The layout looked straightforward—just a byte array where the start of each bucket is calculated as bucketIdx * bucketSize. The size of each bucket is 4 slots, which is a solid choice for Cuckoo Filter. Bucket03A00B7F2Bucket14C9100DEBucketnAA005FC8Table:... But ...