scouten
Is anyone aware of an Erlang or Elixir library that provides efficient sparse-bitmap operations (including AND, OR, XOR) along the lines of GitHub - lemire/javaewah: A compressed alternative to the Java BitSet class · GitHub? Or can you suggest alternative approaches to this problem space?
I’m aware of GitHub - hashd/bitmap-elixir: Bitmap implementation in Elixir using binaries and integers. Fast space efficient data structure for lookups · GitHub, but it seems lacking the necessary operations; I’m also not sure that it’s under active current maintenance.
Thanks!
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idi527
I think I saw roaring bitmap wrapper in erlang once, would that work?
Probably this one GitHub - zambal/rb_sets: Erlang NIF wrapper for Roaring Bitmaps · GitHub
lpil
Does this qualify? GitHub - gausby/bit_field_set: Store and manipulate a set of bit flags, mostly used for syncing the state over the wire between peers in a peer to peer network, such as BitTorrent. · GitHub
scouten
Both of these look potentially on-point. Thank you!