Am Dienstag 15 Februar 2005 00.42 schrieb Steven M. Schultz: > > On Mon, 14 Feb 2005, Michael Hanke wrote: > > > I count y4mdenoise an excellent piece of software but I thought that I make > > something wrong: On my machine (1.2GHz Athlon) I obtain a denoising rate of > > 0.3 frames/sec. (that is, 5 days for a movie) This is far too slow for [snip] > What type of material were you using and what '-t' setting was being > used? If -t is too low then y4mdenoise works a lot harder and takes > longer - I've found for most VHS sources "-t 4" works well. I'm using the recommendation -t 3 by Steven Boswell. The source material is very (not to say extremly) noisy.
> > > routine purposes. Or, the other way round, even a small increase in speed > > would give a lot. Therefore my question: Does anyone has experiences with > > optimization? The optimization switches in the CVS build are rather moderate > > (-O2 -mach=athlon-tbird). Are there any experiences using other compilers > [snip] > > As the old saying goes "speed costs - how fast do you want to go?" :-) > Hmmm.. My experience (in the area of scientific computing) is that a lot can be gained by using algorithms/tools which take care of the hardware architecture. In my case, this may also be a part of the problem because my RAM is slow (PC133), too. Did anyone try to use alternative compilers? Thank you, Michael ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
