#3294: Large compilation time/memory consumption
---------------------------------------------+------------------------------
Reporter: pumpkin | Owner:
Type: compile-time performance bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.10.3
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: MacOS X
Architecture: x86 |
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Changes (by igloo):
* difficulty: => Unknown
Old description:
> When compiling the attached test case in the following way:
>
> airpumpkin:integer-benchmark pumpkin$ time ghc -O2 --make -o big Big.hs
> [1 of 1] Compiling Main ( Big.hs, Big.o )
> Linking big ...
>
> real 1m29.336s
> user 1m18.300s
> sys 0m6.816s
>
> You can see it takes a while to compile, and uses 640 MB of RAM during
> compilation.
New description:
When compiling the attached test case in the following way:
{{{
airpumpkin:integer-benchmark pumpkin$ time ghc -O2 --make -o big Big.hs
[1 of 1] Compiling Main ( Big.hs, Big.o )
Linking big ...
real 1m29.336s
user 1m18.300s
sys 0m6.816s
}}}
You can see it takes a while to compile, and uses 640 MB of RAM during
compilation.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3294#comment:1>
GHC <http://www.haskell.org/ghc/>
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