Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

optimize Natural/fold in the strict case #2585

Merged
merged 9 commits into from
Jun 12, 2024
Merged

optimize Natural/fold in the strict case #2585

Changes from 3 commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
e36815e
optimize Natural/fold in the strict case
winitzki May 11, 2024
89c54f7
remove tabs
winitzki May 11, 2024
7bbee59
fix syntax in do block
winitzki May 11, 2024
9dcac33
Update Normalize.hs
winitzki May 12, 2024
827fc45
adding wip code to Eval.hs
winitzki May 14, 2024
ed07195
fix code
winitzki May 14, 2024
9fae7ff
Merge branch 'main' into feature/optimize_natural_fold
winitzki May 31, 2024
33efa78
remove dummy change
winitzki May 31, 2024
be07882
Merge branch 'main' into feature/optimize_natural_fold
winitzki Jun 1, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 7 additions & 2 deletions dhall/src/Dhall/Normalize.hs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -211,8 +211,13 @@ normalizeWithM ctx e0 = loop (Syntax.denote e0)
strict = strictLoop (fromIntegral n0 :: Integer)
lazy = loop ( lazyLoop (fromIntegral n0 :: Integer))

strictLoop 0 = loop zero
strictLoop !n = App succ' <$> strictLoop (n - 1) >>= loop
strictLoop !n = strictLoopShortcut n (loop zero)
strictLoopShortcut 0 !res = res
strictLoopShortcut !n !res = do
x <- res
let next_res = App succ' <$> res >>= loop
y <- next_res
if judgmentallyEqual x y then res else strictLoopShortcut (n - 1) next_res
winitzki marked this conversation as resolved.
Show resolved Hide resolved

lazyLoop 0 = zero
lazyLoop !n = App succ' (lazyLoop (n - 1))
Expand Down
Loading