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On Dec 21, 2007 2:55 PM, Bertram Felgenhauer <bertram.felgenhauer@googlemail.com> wrote: > > If you look at the generated machine code, you'll find that f and g > are identical functions. The sole purpose of the int2Word# and > word2Int# operations is to satisfy the type checker. (This is > even true at the core level. The core language is typed, so you > still need to do the conversions there     

Group: fa.haskell · Group Profile · Search for Unliftable in fa.haskell
Author: Justin Bailey
Date: Dec 21, 2007 15:40

I'm curious how much of the unboxing helped performance and how much didn't. In my experience playing with this stuff, GHC's strictness analyzer has consistently been really excellent, given the right hints. Unboxed tuples are generally a win, but GHC was often smarter at unboxing ints than I was. Also, higher-order functions can be used fine, assuming they're not awful recursive, as
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I'm back with another version of my cellular automata simulator. Since the last iteration I discovered GHC's unlifted types and the primitive operations that go with them. Using these types, rather than Ints, sped my code up by 2x or more. http://hpaste.org/4151#a2 -- first half of program http://hpaste.org/4151#a3 -- remaining (note 3 lines or so from first half are repeated) The key observation     

Group: fa.haskell · Group Profile · Search for Unliftable in fa.haskell
Author: Sterling Clover
Date: Dec 20, 2007 19:43

On Fri, 29 Aug 2008 21:09:42 -0700, RichD wrote: Popular among so-called martial arts demos, and similar circus acts, is the 'heavy body' trick. The performer asks 2 volunteers to lift him. First, he tenses his whole body, and they lift him easily. Then, he goes limp, which generates 'chi', and gets heavier, i.e. rooted to the ground. So how does this relaxation technique
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On Sep 2, 12:13 am, Fraser Johnston <fra...@cjmanagement.com.au> wrote: > Lorenz.L...@gmx.de wrote: > > On 31 Aug., 21:46, Renli <oliver.rich...@gmail.com> wrote: > >> On Sep 1, 12:19 am, yazig <gkorne...@msn.com> wrote: > > >>> On Aug 31, 8:29 am, PD <TheDraperFam...@gmail.com> wrote: > >>>> On Aug 30, 6:24 pm, RichD <r_delaney2...@yahoo.com> wrote: > >>>>> On Aug 30, PD <TheDraperFam...@gmail     

Group: fa.haskell · Group Profile · Search for Unliftable in fa.haskell
Author: Justin Bailey
Date: Dec 20, 2007 15:07

Lorenz.Lang@gmx.de wrote: On 31 Aug., 21:46, Renli <oliver.rich...@gmail.com> wrote: On Sep 1, 12:19 am, yazig <gkorne...@msn.com> wrote: On Aug 31, 8:29 am, PD <TheDraperFam...@gmail.com> wrote: On Aug 30, 6:24 pm, RichD <r_delaney2...@yahoo.com> wrote: On Aug 30, PD <TheDraperFam...@gmail.com> wrote: Popular among so-called martial arts demos, and similar
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On Aug 30, 7:24 pm, RichD <r_delaney2...@yahoo.com> wrote: > On Aug 30, PD <TheDraperFam...@gmail.com> wrote: > > > > > > Popular among so-called martial arts demos, and similar circus > > > acts, is the 'heavy body' trick. The performer asks 2 volunteers > > > to lift him. First, he tenses his whole body, and they lift him > > > easily. Then, he goes limp, which generates 'chi', > > >     

Group: sci.physics · Group Profile · Search for Unliftable in sci.physics
Author: Rich Grise
Date: Sep 2, 2008 14:55

On 31 Aug., 21:46, Renli <oliver.rich...@gmail.com> wrote: On Sep 1, 12:19 am, yazig <gkorne...@msn.com> wrote: On Aug 31, 8:29 am, PD <TheDraperFam...@gmail.com> wrote: On Aug 30, 6:24 pm, RichD <r_delaney2...@yahoo.com> wrote: On Aug 30, PD <TheDraperFam...@gmail.com> wrote: Popular among so-called martial arts demos, and similar circus
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On Sep 1, 12:19 am, yazig <gkorne...@msn.com> wrote: > On Aug 31, 8:29 am, PD <TheDraperFam...@gmail.com> wrote: > > > > > On Aug 30, 6:24 pm, RichD <r_delaney2...@yahoo.com> wrote: > > > > On Aug 30, PD <TheDraperFam...@gmail.com> wrote: > > > > > > Popular among so-called martial arts demos, and similar circus > > > > > acts, is the 'heavy body' trick. The performer asks 2 volunteers     

Group: sci.physics · Group Profile · Search for Unliftable in sci.physics
Author: Richard Henry
Date: Sep 2, 2008 08:54

On Aug 31, 8:29 am, PD <TheDraperFam...@gmail.com> wrote: On Aug 30, 6:24 pm, RichD <r_delaney2...@yahoo.com> wrote: On Aug 30, PD <TheDraperFam...@gmail.com> wrote: Popular among so-called martial arts demos, and similar circus acts, is the 'heavy body' trick. The performer asks 2 volunteers to lift him. First, he tenses his whole body, and they lift
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Group: sci.physics · Group Profile · Search for Unliftable in sci.physics
Author: Fraser Johnston
Date: Sep 2, 2008 00:13

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Group: sci.physics · Group Profile · Search for Unliftable in sci.physics
Author: SPORTfighter
Date: Sep 1, 2008 11:45

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Group: sci.physics · Group Profile · Search for Unliftable in sci.physics
Author: Lorenz.Lang
Date: Sep 1, 2008 10:47

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Group: sci.physics · Group Profile · Search for Unliftable in sci.physics
Author: Renli
Date: Aug 31, 2008 12:46

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Group: sci.physics · Group Profile · Search for Unliftable in sci.physics
Author: yazig
Date: Aug 31, 2008 09:19

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