6.8.1-candidate tested

Serge D. Mechveliani mechvel at botik.ru
Thu Oct 18 06:41:49 EDT 2007

On Thu, Oct 18, 2007 at 11:33:52AM +0100, Simon Marlow wrote:
> Serge D. Mechveliani wrote:
> >Dear GHC developers,
> >
> >I have tested  ghc-  on DoCon and on 
> >Dumatel.  
> >It looks all right
> >
> >(except the bug-candidate for -O which is common to all GHC versions
> >and which I recently reported
> >).
> >
> >On DoCon,  ghc-  
> >1) builds the project 2-3 times faster than  ghc-6.6.1,  
> >2) its produced  .a  code is  1.6  times larger,
> I have noticed binary sizes increasing by around 20% on the nofib suite 
> too.  We've discovered one issue with some dictionaries not being inlined 
> when we would expect them to, but there may be others.  I'm investigating.

All this you can easily reproduce in the public  docon-2.10:
build the library under -O, build  demotest/Main  under -Onot  and see
the timing of everything and the .a size. 
Then try to build   demotest/Main  under -O.  And compare to 6.6.1.



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