# \#bitpacking

**URL:** https://discourse.julialang.org/tag/bitpacking/1374.md

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## [Challenge: Can you beat Python and C++ in Int4 Matrix-Vector Multiply Op?](https://discourse.julialang.org/t/challenge-can-you-beat-python-and-c-in-int4-matrix-vector-multiply-op/101588)

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**Author:** [@svilupp](https://discourse.julialang.org/u/svilupp)\
**Replies:** 10\
**Last updated:** [July 25, 2023, 9:44pm UTC](https://discourse.julialang.org/t/challenge-can-you-beat-python-and-c-in-int4-matrix-vector-multiply-op/101588 "2023-07-25T21:44:29Z")

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TL;DR How close can we get to 4x speedup if we move from Float16 to Int4 in mat-vec multiply? Hi everyone, It’s challenge time! I’m calling on the Julia community to show Python bitsandbytes (recent release with 2-4x s…

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## [\[ANN\] FieldFlags.jl: Bitfield-like structs](https://discourse.julialang.org/t/ann-fieldflags-jl-bitfield-like-structs/100594)

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**Author:** [@Sukera](https://discourse.julialang.org/u/Sukera)\
**Replies:** 7\
**Last updated:** [June 20, 2023, 12:14pm UTC](https://discourse.julialang.org/t/ann-fieldflags-jl-bitfield-like-structs/100594 "2023-06-20T12:14:58Z")

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Hi everyone! I’m happy to announce FieldFlags.jl, a small package without dependencies for creating bitfield-like structs, packing integers of various bitsizes into the smallest possible space. The current stable release…