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| author | Ben Gamari <ben@well-typed.com> | 2020-05-14 12:25:53 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@well-typed.com> | 2020-05-14 12:25:53 -0400 |
| commit | e9c0110ce9e753360d7e6523114109b7616f2f08 (patch) | |
| tree | a97af02c94c00ffeb77bde03e7ee3aac91b6926c /compiler | |
| parent | 477f13bb4c5c2ba969d2c90890c51d7de01c5312 (diff) | |
| download | haskell-e9c0110ce9e753360d7e6523114109b7616f2f08.tar.gz | |
IdInfo: Add reference to bitfield-packing ticket
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/GHC/Types/Id/Info.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Types/Id/Info.hs b/compiler/GHC/Types/Id/Info.hs index d1365aa978..3eda9abe11 100644 --- a/compiler/GHC/Types/Id/Info.hs +++ b/compiler/GHC/Types/Id/Info.hs @@ -267,7 +267,7 @@ data IdInfo -- ^ Bitfield packs CafInfo, OneShotInfo, arity info, LevityInfo, and -- call arity info in one 64-bit word. Packing these fields reduces size -- of `IdInfo` from 12 words to 7 words and reduces residency by almost - -- 4% in some programs. + -- 4% in some programs. See #17497 and associated MR. -- -- See documentation of the getters for what these packed fields mean. } |