Reusing same class instance for different files reused cache content
as well.
Reported-by: Peter Holozan <peter.holozan@amebis.si>
Signed-off-by: Simon Rozman <simon@rozman.si>
Our test program runs 15 minutes using our streams vs. 25 minutes using
std::iostream derived streams.
Streams were ported from Amebis AOsn project.
Signed-off-by: Simon Rozman <simon@rozman.si>