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Re: A brief note regarding BUFFER:

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Julian Fondren <julian.fondren@gmail.com> writes:
>Hello clf,
>
>Suppose you have hard limits and some mild configuration at compile
>time, with code like
>
>  [undefined] max-users [if]
>    100 constant max-users
>  [then]
>
>  create user-table  max-users user-size * allot
>  create enemies     max-users cells allot
>  ... and so on ...
>
>Not all software is permitted to use all available resources and then
>kill its host when under duress, and for such software it's nice to be
>able to say that when tuned a certain way it'll use at most some
>amount of memory.
>
>
>Now let's suppose someone says "I'd like to see how this code works
>with 100 million users". You would likely have to rewrite the above:
>
>  max-users user-size * allocate throw constant user-table
>  max-users cells allocate throw constant enemies

Or you can keep the code and call the system with

gforth -m 4G ...

(assuming that 4GB of dictionary is enough); and you can use
--vm-commit (and configure the OS to avoid overcommitting memory) to
let the process die right away instead of only under duress.

- anton
-- 
M. Anton Ertl  http://www.complang.tuwien.ac.at/anton/home.html
comp.lang.forth FAQs: http://www.complang.tuwien.ac.at/forth/faq/toc.html
     New standard: http://www.forth200x.org/forth200x.html
   EuroForth 2016: http://www.euroforth.org/ef16/

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A brief note regarding BUFFER: Julian Fondren <julian.fondren@gmail.com> - 2017-02-24 22:59 -0800
  Re: A brief note regarding BUFFER: "Elizabeth D. Rather" <erather@forth.com> - 2017-02-24 21:31 -1000
  Re: A brief note regarding BUFFER: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-02-25 17:40 +0000

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