"Frank Schumacher" <f_nospam_s@informatik.uni-leipzig.de> wrote in message
news:uoKJNuYYHHA.4000@TK2MSFTNGP02.phx.gbl...
> Hi there,
>
> I need to parse a lot of html-files from wikipedia, and I need to do it as
> fast as possible. So I started a little testing with XMLTextReader, but
> the results I get confuse me. It seems that the Reader ALWAYS needs about
> 1 second for the first textReader.Read()
>
> Here's my testcode:
>
> XmlTextReader _myReader = new XmlTextReader(textBox1.Text);
> DateTime _firstRead = DateTime.MinValue;
>
> DateTime _start = DateTime.Now;
> _myReader.Read();
> _firstRead = DateTime.Now;
>
> while (_myReader.Read())
> {
> }
>
> MessageBox.Show("FirstRead: " + Convert.ToString(_firstRead - _start) + ".
> Overall: " + Convert.ToString(DateTime.Now - _start));
>
> And here are the results for a 134kb file:
> FirstRead: 0.9218750. Overall: 0.9375
>
> I get a similar result for a 15kb file. (And btw. the same result when
> using DOM)
>
> Any ideas why it takes so long for the first read and what to do about it?
>
> I have downloaded the whole wikipedia and extract it to the filesystem. Is
> that the reason?

> Which version of .NET are you running?