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Peter,
It is not described in the ADK, however I consider this as 'common knowleadge'
for Windows programmers. The DLLs in Windows are basic programming tool,
and re-basing occurs in every Windows application.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "bluesinvestor" <bluesinvestor@xxxxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, August 11, 2003 8:57 PM
Subject: RE: [amibroker] Does number of DLLs affect AmiBroker's performance ?
> Tomasz,
>
> Is this described in the ADK manual?
>
> Regards,
> Peter
>
> > -----Original Message-----
> > From: Tomasz Janeczko [mailto:amibroker@xxxxxx]
> > Sent: Monday, August 11, 2003 2:38 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: Re: [amibroker] Does number of DLLs affect AmiBroker's
> > performance ?
> >
> > Salil,
> >
> > Well it certainly affects AmiBroker load and exit times.
> > The more DLLs there are the slower start up because DLL must
> > be loaded. Things become worse as most of developers
> > do not care about setting appropriate "base" for the DLL
> > (via BASE switch in the linker).
> >
> > The DLLs delivered with AmiBroker have distinct base load
> > addresses and there is no conflict.
> >
> > On the other hand all 3rd party plugins I have seen do not set
> > base to value other than 0x10000000 (the default).
> >
> > This causes that Windows have to re-base 3rd party DLLs during loading
> > because of conflicting addresses. Rebasing is automatic
> > but it takes additional milliseconds.
> > http://msdn.microsoft.com/msdnmag/issues/0500/hood/
> >
> > Some slow down may be added if you have lots of plugins
> > adding lots of new functions - functions get added to symbol map
> > and the larger map is then symbol lookup is slower.
> > This however should be non-issue because lookups in hashtable
> > based maps are very quick and take a lot less than real processing
> > of data.
> >
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "salil_gangal" <salil_gangal@xxxxxxxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Monday, August 11, 2003 8:21 PM
> > Subject: [amibroker] Does number of DLLs affect AmiBroker's
> performance ?
> >
> >
> > > Friends,
> > >
> > > Does the number of DLLs I have linked into AmiBroker affect the
> > > performance of AmiBroker in any way ? If it does, how exactly does
> > > it get affected ?
> > >
> > > At present I have over 40 .DLLs (some of them old, some of them
> > > trivial/experimental, others fully functional), so is it bettter to
> > > roll a few of them into fewer DLLs or is it better to keep them
> > > seperate ? Will it improve performance if I delete the old and
> > > experimental DLLs or it is a non-issue ?
> > >
> > > Regards,
> > > - Salil V Gangal
> > >
> > >
> > >
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>
>
>
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