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Programming > Forth > Re: Why is GFor...
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Re: Why is GForth-ITC fast?

by mhx@[EMAIL PROTECTED] (Marcel Hendrix) May 2, 2008 at 02:53 AM

brian.fox@[EMAIL PROTECTED]
 writes Re: Why is GForth-ITC fast?
[..]
> variable x

\ Suggest: 
1024 allot

> : test!
>      100 0 do
>      30000 0 do
>      \ 100 ! store ops
>        i x !  i x !  i x !  i x !  i x !  i x !  i x !  i x !  i x !  i
x !
[..]
>      loop
>      loop ;

> \ Benchmarks done on AMD Sempron 1.6 GHz, with 1 Gb RAM; Windows XP SP2
> \ Hs/Forth
> \ elapse test!
> \ Elapsed time =00:00:05.22 ok
> \ Hs/Forth
> \ elapse test!!
> \ Elapsed time =00:00:05.22 ok
> \  28% slower than GForth (below)

These timings are ridiculous. Test! takes 180 ms on my PIV 3 GHz.
Does it help if you add a gap between variable x and test! ?

-marcel
 




 30 Posts in Topic:
Why is GForth-ITC fast?
brian.fox@[EMAIL PROTECTE  2008-04-30 19:30:05 
Re: Why is GForth-ITC fast?
"winston19842005@[EM  2008-04-30 21:29:44 
Re: Why is GForth-ITC fast?
Robert Spykerman <robe  2008-05-01 01:42:28 
Re: Why is GForth-ITC fast?
anton@[EMAIL PROTECTED]   2008-05-01 10:54:45 
Re: Why is GForth-ITC fast?
Albert van der Horst <  2008-05-01 17:26:57 
Re: Why is GForth-ITC fast?
stephenXXX@[EMAIL PROTECT  2008-05-01 22:22:50 
Re: Why is GForth-ITC fast?
stephenXXX@[EMAIL PROTECT  2008-05-01 09:00:18 
Re: Why is GForth-ITC fast?
Robert Spykerman <robe  2008-05-01 04:43:05 
Re: Why is GForth-ITC fast?
Thomas Pornin <pornin@  2008-05-01 12:45:38 
Re: Why is GForth-ITC fast?
stephenXXX@[EMAIL PROTECT  2008-05-01 12:56:26 
Re: Why is GForth-ITC fast?
Andrew Haley <andrew29  2008-05-01 11:41:05 
Re: Why is GForth-ITC fast?
anton@[EMAIL PROTECTED]   2008-05-01 18:22:56 
Re: Why is GForth-ITC fast?
Bernd Paysan <bernd.pa  2008-05-01 22:01:54 
Re: Why is GForth-ITC fast?
stephenXXX@[EMAIL PROTECT  2008-05-01 22:45:04 
Re: Why is GForth-ITC fast?
Thomas Pornin <pornin@  2008-05-01 23:44:26 
Re: Why is GForth-ITC fast?
Andrew Haley <andrew29  2008-05-02 04:27:59 
Re: Why is GForth-ITC fast?
Thomas Pornin <pornin@  2008-05-01 12:31:12 
Re: Why is GForth-ITC fast?
Albert van der Horst <  2008-05-01 16:33:12 
Re: Why is GForth-ITC fast?
brian.fox@[EMAIL PROTECTE  2008-05-01 17:12:16 
Re: Why is GForth-ITC fast?
mhx@[EMAIL PROTECTED] (M  2008-05-02 02:53:47 
Re: Why is GForth-ITC fast?
brian.fox@[EMAIL PROTECTE  2008-05-01 19:44:40 
Re: Why is GForth-ITC fast?
brian.fox@[EMAIL PROTECTE  2008-05-01 17:16:42 
Re: Why is GForth-ITC fast?
Robert Spykerman <robe  2008-05-01 20:17:47 
Re: Why is GForth-ITC fast?
Robert Spykerman <robe  2008-05-01 21:06:05 
Re: Why is GForth-ITC fast?
Thomas Pornin <pornin@  2008-05-02 13:00:46 
Re: Why is GForth-ITC fast?
Albert van der Horst <  2008-05-02 16:46:32 
Re: Why is GForth-ITC fast?
Thomas Pornin <pornin@  2008-05-02 18:11:41 
Re: Why is GForth-ITC fast?
Robert Spykerman <robe  2008-05-02 06:12:42 
Re: Why is GForth-ITC fast?
Robert Spykerman <robe  2008-05-02 17:40:35 
Re: Why is GForth-ITC fast?
Albert van der Horst <  2008-05-03 10:12:44 

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tan12V112 Mon Oct 13 3:04:14 CDT 2008.