[fpc-devel] Benchmark for FreePascal

[Michael Van Canneyt]

On Sun, 11 Dec 2005, Daniël Mantione wrote:

> 
> 
> Op Sat, 10 Dec 2005, schreef darekM:
> 
> > Hi
> > I've tested some of benchmark on 
> > http://shootout.alioth.debian.org/
> > 
> > I've see that reverse-complement benchmark
> > <http://shootout.alioth.debian.org/benchmark.php?test=revcomp&lang=all> for
> > FPC is very slow. I discover, that problem is with readln, that function
> > consume about 90% of time. Because I use it in my program, I implemented new
> > version of reading files. My propositions is add tTextStream to unit Classes
> > 
> > using is very similar
> > 
> > while not eof do
> > begin
> >  readln(s);
> > end;
> 
> The Shootout benchmarks should preferably be implemented without unit 
> classes to achieve the best memory usage results. Your code is welcome 
> though to add to unit classes, allthough I currently can't because it uses 
> assembler code withotu Pascal alternative, i.e. it would make the classes 
> unit unavailable on the other processors FPC supports.

Even then not. See my mail...

> 
> Can you do the same to improve readln?

The problem is not the readln implementation, but the buffer size.

Michael.