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| author | Ben Gamari <ben@smart-cactus.org> | 2021-04-22 13:12:49 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2021-05-12 15:44:45 -0400 |
| commit | c12d0ed8fc6d516013a693c0f8ff88072343c4ea (patch) | |
| tree | ee845243da641aeeb93709075e9fc1dc84690fcb | |
| parent | 7ab696ceaee269b42d0a7fde011791aadd227368 (diff) | |
| download | haskell-c12d0ed8fc6d516013a693c0f8ff88072343c4ea.tar.gz | |
users-guide: Document deprecation of -funfolding-keeness-factor
See #15304.
(cherry picked from commit 3339ed49b103d5aab42733dfb434de3a9a27bf2b)
| -rw-r--r-- | docs/users_guide/9.0.1-notes.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/users_guide/9.0.1-notes.rst b/docs/users_guide/9.0.1-notes.rst index c0db022030..0e83843dd1 100644 --- a/docs/users_guide/9.0.1-notes.rst +++ b/docs/users_guide/9.0.1-notes.rst @@ -263,6 +263,13 @@ Compiler :ghc-flag:`-funfolding-use-threshold=⟨n⟩` or use :pragma:`INLINE` pragmas to more precisely force inlining. +- The ``-funfolding-keeness-factor`` flag has been deprecated as its scaling + strategy resulted in unreasonably large discounts in some cases (see + :ghc-ticket:`15304`). Users who previously used this flag to suggest + more aggressive inlining are advised to look at + :ghc-flag:`-funfolding-use-threshold=⟨n⟩` or use :pragma:`INLINE` pragmas to + more precisely force inlining. + GHCi ~~~~ |