[GHC] #6000: Performance of Fibonnaci compare to Python

GHC cvs-ghc at haskell.org
Thu Apr 12 05:05:06 CEST 2012


#6000: Performance of Fibonnaci compare to Python
-------------------------------------+--------------------------------------
 Reporter:  guest                    |          Owner:                     
     Type:  bug                      |         Status:  new                
 Priority:  normal                   |      Component:  Compiler           
  Version:  7.4.1                    |       Keywords:  python, performance
       Os:  Linux                    |   Architecture:  x86_64 (amd64)     
  Failure:  Runtime performance bug  |       Testcase:                     
Blockedby:                           |       Blocking:                     
  Related:                           |  
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Comment(by tibbe):

 Replying to [comment:2 guest]:
 > What's your architecture? I tried it with amd64. Also the python version
 prints the out while the haskell version does not, can you try it again
 after removing the print() statement from the python code?

 I'm using a 32-bit GHC on a 64-bit machine (Core i7.) Removing the
 printing from the Python code speeds it up a little bit:

 {{{
 $ time python pyfib.py

 real    0m12.866s
 user    0m12.841s
 sys     0m0.022s
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6000#comment:3>
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