#3149: Data.HashTable is slow
---------------------------------+------------------------------------------
Reporter: dons | Type: bug
Status: closed | Priority: normal
Milestone: _|_ | Component: libraries/base
Version: 6.10.1 | Resolution: fixed
Keywords: | Difficulty: Unknown
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Changes (by simonmar):
* status: new => closed
* resolution: => fixed
Comment:
I'm claiming this is fixed in 6.12.1:
{{{
$ ./3149 +RTS -s
./3149 +RTS -s
Just 100
1,826,563,432 bytes allocated in the heap
3,333,946,592 bytes copied during GC
836,996,392 bytes maximum residency (11 sample(s))
5,558,824 bytes maximum slop
1621 MB total memory in use (25 MB lost due to fragmentation)
Generation 0: 3400 collections, 0 parallel, 3.17s, 3.21s elapsed
Generation 1: 11 collections, 0 parallel, 4.43s, 5.63s elapsed
INIT time 0.00s ( 0.00s elapsed)
MUT time 0.62s ( 0.61s elapsed)
GC time 7.60s ( 8.84s elapsed)
EXIT time 0.00s ( 0.00s elapsed)
Total time 8.23s ( 9.46s elapsed)
%GC time 92.4% (93.5% elapsed)
Alloc rate 2,918,294,477 bytes per MUT second
Productivity 7.6% of total user, 6.6% of total elapsed
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3149#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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