haskell / haskell/haskell-language-server
Speed up session loader
Open
performance
type: enhancement
- Dominant language
- Haskell
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- 3k
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- Avg merge
- 2d 19h
- Merged PRs (30d)
- 11
Description
Session loader is responsible for generating ghc options to load modules. Due to the limitation of hie-bios, we are loading module one by one. The session loader is overly sequentialized.
Problems:
1. Not loading in batch with multi homeunit support. https://github.com/haskell/haskell-language-server/issues/4381
2. Loading of a module's options is blocked by the loading in the front of the line even if the module's options in the cache.
Solutions:
1. Batch load. https://github.com/haskell/haskell-language-server/pull/4439
2. Decouple the session loader into reader and writer over the cache. #4445
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