Hi,

Am Sonntag, 3. März 2013, 20:46:35 schrieb Bård Skaflestad:
> On Sun, 2013-03-03 at 20:35 +0100, Håvard Berland wrote:
> > Bård Skaflestad:
> > > I personally think a fixed-size buffer (e.g., one megabyte) which is
> > > filled through fread() and then> > 
> > >  separately tokenised is a much better choice for the lowest
> > > 
> > > level of a deck parser.
> > 
> > I hope you are not suggesting that one megabyte ought to be enough for
> > 
> >  all reservoirs...
> 
> Not at all.  If I were to make such a suggestion I would have chosen a
> more appropriate size.  640 MB springs to mind.  My one MB suggestion
> was an order of magnitude intended to balance memory consumption with
> input performance.  I'll happily go for five or ten, but I don't think
> we need to go for buffers that are much larger than that.  On the other
> hand, measurements trumps assertions every time.

Just a suggestion: if you just want array-like access to the file contents, 
using the mmap() syscall would be an option that does not consume (much) main 
memory. 
 
cheers
  Andreas

-- 
Andreas Lauser
Department of Hydromechanics and Modelling of Hydrosystems
University of Stuttgart
Pfaffenwaldring 61
D-70569 Stuttgart
Phone: (+49) 711 685-64719
Fax: (+49) 711 685-60430
www.hydrosys.uni-stuttgart.de

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