Re: Small executables

From: Marco van de Voort (marcov_at_stack.nl)
Date: 06/16/04 

Date: Wed, 16 Jun 2004 18:58:02 +0000 (UTC)

On 2004-06-16, Bruce Roberts <ber@bounceitattcanada.xnet> wrote:
>
> "Marco van de Voort" <marcov@stack.nl> wrote in message
> news:slrncd0mf4.slv.marcov@toad.stack.nl...
>
>> multitasking overhead?
>
> There is no possibility of in-memory executable page sharing, hence more
> memory consumption when multiple instances are running, hence higher
> potential memory contention. Since all program pages have to be swapped
> (executable pages can't simply be discarded) more memory contention leads to
> a higher potential of swap file activity hence more overhead.

See other msg. While I directly agree that startup penalties occur, I'm not
100% sure that from/to swapfile is slower than reloading from .exe

Relevant Pages

  • PDT memory contention report
    ... "There is evidence of memory contention, yet Memory Load Control is ... Topas says that there is little swap in use: ...
    (comp.unix.aix)
  • VIRTUAL MEMORY VMM
    ... - There is evidence of memory contention, yet Memory Load Control is ... web site suggests that WLM be used instead. ...
    (comp.unix.aix)