Commits on May 2, 2024

1. perf(internal/bits): Speedup extended commit.BitArray() (backport com… …

   …etbft#2959) (cometbft#2983)
   
   Speedup ExtendedCommit.BitArray() by making a direct constructor that
   does not go through mutexes. I expect this to be a 10x performance
   improvement. (It also removes the duffcopies and reduces setIndex
   proportion of time here)
   
   This removes this time (which is mostly coming from mutex calls): 
   
   ![image](https://github.com/cometbft/cometbft/assets/6440154/da11d57d-6bea-40ea-a0fa-9209ea3e22f8)
   
   Later on we should instead make an API that lets us randomly sample from
   a bit array with no bit array copying needed. (But that makes the
   interface messier)
   
   ---
   
   #### PR checklist
   
   - [x] Tests written/updated
   - [x] Changelog entry added in `.changelog` (we use
   [unclog](https://github.com/informalsystems/unclog) to manage our
   changelog)
   - [x] Updated relevant documentation (`docs/` or `spec/`) and code
   comments
   - [x] Title follows the [Conventional
   Commits](https://www.conventionalcommits.org/en/v1.0.0/) spec
   <hr>This is an automatic backport of pull request cometbft#2959 done by
   [Mergify](https://mergify.com).
   
   ---------
   
   Co-authored-by: Dev Ojha <ValarDragon@users.noreply.github.com>
   Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>

   

   

   3 people authored and czarcas7ic committed May 2, 2024
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