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| author | Reid Barton <rwbarton@gmail.com> | 2017-04-01 11:51:59 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-04-01 12:31:59 -0400 |
| commit | f2b10f35a053e595fd309f523c5e93f619d2ec3a (patch) | |
| tree | 1c4ebdc9c61b3c48d85eca4c33d40736fbbb3581 /compiler/basicTypes/Demand.hs | |
| parent | 3b5f786c7257298657fd34b3840d8cf6da968ef6 (diff) | |
| download | haskell-f2b10f35a053e595fd309f523c5e93f619d2ec3a.tar.gz | |
Stamp out space leaks from demand analysis
This reduces peak memory usage by ~30% on my test case (DynFlags),
and (probably as a result of reduced GC work) decreases compilation
time by a few percent as well.
Also fix a bug in seqStrDmd so that demeand info is fully evaluated.
Reviewers: simonpj, austin, bgamari
Reviewed By: bgamari
Subscribers: dfeuer, thomie
Differential Revision: https://phabricator.haskell.org/D3400
Diffstat (limited to 'compiler/basicTypes/Demand.hs')
| -rw-r--r-- | compiler/basicTypes/Demand.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/basicTypes/Demand.hs b/compiler/basicTypes/Demand.hs index 377fc3d6ea..95c7b79b4f 100644 --- a/compiler/basicTypes/Demand.hs +++ b/compiler/basicTypes/Demand.hs @@ -332,7 +332,7 @@ bothStr (SProd _) (SCall _) = HyperStr -- utility functions to deal with memory leaks seqStrDmd :: StrDmd -> () seqStrDmd (SProd ds) = seqStrDmdList ds -seqStrDmd (SCall s) = s `seq` () +seqStrDmd (SCall s) = seqStrDmd s seqStrDmd _ = () seqStrDmdList :: [ArgStr] -> () |