Bloom Filters

Comments primarily discuss Bloom filters, their relevance to the post's data structure or technique, comparisons with alternatives like Cuckoo filters, and links to implementations and resources.

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e.g MAB wordpress.com harvard.edu brave.com www.cs HN mclare.blog rebloom.io en.m bloom filter filters hashes false positives positives letters usernames duplicates data structure

Sample Comments

andypants Sep 19, 2018 View on HN

Could a bloom filter be useful here?

nl Jun 15, 2015 View on HN

This is kinda a Bloom filter: https://en.m.wikipedia.org/wiki/Bloom_filter

thewarrior Jan 7, 2014 View on HN

Could this be used as an alternative to a bloom filter ?

bradleyjg Aug 5, 2016 View on HN

Whenever considering a bloom filter also look at cuckoo filters. There are pros and cons of each approach.See https://bdupras.github.io/filter-tutorial/ and http://11011110.livejournal.com/327681.html as well as the corresponding HN discussions <a href="https://news.ycomb

zwily May 25, 2018 View on HN

An appropriately tuned bloom filter would probably suffice.

tsenart Sep 25, 2025 View on HN

Author here, indeed a variation of bloom filters: https://x.com/lemire/status/1971279371131646063

buremba Apr 4, 2016 View on HN

Bloom filters might be a good alternative for this use case if you don't mind false positives.

sowbug Apr 10, 2020 View on HN

https://en.wikipedia.org/wiki/Bloom_filter

rydre Jul 17, 2020 View on HN

Probably their bloom filter implementation?

DanWaterworth Oct 11, 2012 View on HN

Bloom filters were in fact used.