#3829: GHC leaks memory when compiling many files
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Reporter: maltem | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.2.1
Component: Compiler | Version: 6.12.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Linux | Blocking:
Architecture: x86_64 (amd64) | Failure: Compile-time performance bug
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Comment(by manzyuk):
I might have a related issue. I have a project with 20+ files, and there
is one main file that depends on many other files. Every time I load this
file in GHCi, all its dependencies are (re)compiled. I am accustomed to
running a GHCi session inside of Emacs and pressing `C-c C-l` to load the
file after making a change to make sure that it compiles. I have noticed
that after awhile my machine starts to feel sluggish, and `top` revealed
high memory consumption by GHC. I have tested this outside of Emacs as
well: by just starting GHCi and loading (not ''re''loading) that file
repeatedly I can grow the memory consumption of GHC from a few percents to
50 and more within a few minutes. I can provide more information if
necessary. Just like the bug reporter, I am also using GHC 6.12.1 on a
64-bit Linux machine.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3829#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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