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Message from discussion GA144 polyForth

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From: Coos Haak <chfo...@hccnet.nl>
Subject: Re: GA144 polyForth
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Op Sat, 29 Sep 2012 01:20:40 -0700 schreef Paul Rubin:

<snip>
>>: asd  1000 for 1000 for 0 drop next next ;
>> takes about 3 seconds. 
> 
> OK, I remember hearing something like 250ns access time to the external
> ram, so each pass through the loop is doing 10-12 ram accesses (the F18
> cycles probably don't use much of that 3 sec).  I guess not too bad,
> figuring it's a traditional threaded interpreter.
> 
>> IIRC a 16 MHx Novix takes less than 1 second for this, and most 8 bit
>> processors are some tens of seconds.
> 
> Hrm, do you mean recent 8 bitters?  And I wonder how something like an
> MSP430 (16 bit) would do.
noForth, a Dutch Forth, see
http://www.forth.hcc.nl/w/WerkgroepMSP/WerkgroepMSP
does it in just under 5 seconds.

-- 
Coos

CHForth, 16 bit DOS applications
http://home.hccnet.nl/j.j.haak/forth.html