composewell/streamly
1
1
Fork 0
mirror of https://github.com/composewell/streamly.git synced 2024-09-11 11:37:22 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add build notes about GHC-9.6.x issues

Browse Source
This commit is contained in:
Harendra Kumar 2023-11-02 15:35:46 +05:30
parent 35bc11a0fc
commit ac1ba5b280
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
docs/User/HowTo/Compiling.md
View File

@ -4,8 +4,9 @@
### Compiler (GHC) Versions
Do not use ghc 9.0.x and 9.2.1. For best performance use
`fusion-plugin` (see below) when compiling.
Do not use ghc 9.0.x and 9.2.1. GHC 9.6.x may have a small memory
leak issue in some concurrent stream cases, see below for more details.
For best performance use `fusion-plugin` (see below) when compiling.
### Memory requirements
@ -63,7 +64,8 @@ Important Notes:
* `-fdicts-strict` is needed to avoid [a GHC
issue](https://gitlab.haskell.org/ghc/ghc/issues/17745) leading to
memory leak in some cases.
memory leak in some cases. In GHC 9.6.x this issue cannot be avoided
even with `-fdicts-strict` option.
* `-fspec-constr-recursive` is needed for better stream fusion, it
allows the `SpecConstr` optimization to occur in more cases. Large