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List:       koffice-devel
Subject:    Re: KoStore diff for direct file extracting/adding
From:       Lucijan Busch <lucijan () gmx ! at>
Date:       2003-02-01 21:47:52
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On Saturday 01 February 2003 22:32, Percy Leonhardt wrote:
> On Saturday 01 February 2003 22:18, Lucijan Busch wrote:
> > On Saturday 01 February 2003 22:11, Percy Leonhardt wrote:
> > > Hi Lucijan,
> > >
> > > what about replacing
> > >
> > > for ( int block = 0; ( block = file.readBlock ( data.data(),
> > > data.size() ) ) > 0; total += block )
> > > {
> > >   write( data );
> > > }
> > >
> > > in addLocalFile with
> > >
> > > write( file.readAll() );
> > >
> > > The same could be done in extractFile using
> > >
> > > file.writeBlock ( device->readAll() );
> > >
> > > I think this is faster and the correct way to go...
> >
> > yes, but imagine a file has 300 MB or more what is quite possible for it
> > pruposes (db-embedding).
>
> Hmm, okay haven't thought about that one.
>
> As I don't know the internals of Qt maybe David can comment on this,
well i talked about the diff with him, and the 8K junk was what he sugestesed
> if copying for example 300 MB by reading and writing it in chunks of 8kB is
> faster or slower than letting Qt do it and hope that it will optimize this
> task somehow.
>
> 	Percy
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-- 
lucijan busch
karawankenblickstraße 215
9020 klagenfurt

+43 (699) 11 50 67 32

irc:	lucijan @ irc.freenode.net (#kexi, #koffice, #kde-devel)
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