Tested and confirmed on MPC-HC x32 1.6 with LAV Filters 0.45 and MADVR 0.8 - non-paged memory just keeps growing and eventually causes frame dropping and choppy playback. This is a major bug.
http://forums.nvidia.com/index.php?showtopic=222342&st=20&p=1366088&#entry1366088
Thank you. We were able to reproduce this issue. Passing bug to driver team to investigate.
It looks like we will be able to have a fix for this issue in our upcoming driver. Thank you all for your feedback.