[yesgrey]

Here are my test results using an Intel E2160@2.7GHz with 1080p material:

ffdshow
User: 0s, kernel: 0s, total: 0s, real: 4s, fps: 479.6, dfps: 41.2
User: 0s, kernel: 0s, total: 0s, real: 3s, fps: 479.6, dfps: 54.2
User: 0s, kernel: 0s, total: 0s, real: 3s, fps: 647.4, dfps: 52.4

ffdshow-mt
User: 0s, kernel: 0s, total: 0s, real: 3s, fps: 719.4, dfps: 66.8
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 563.0, dfps: 67.4
User: 0s, kernel: 0s, total: 0s, real: 3s, fps: 588.6, dfps: 64.4

CoreAVC 1.9.5
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 719.4, dfps: 71.2
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 588.6, dfps: 73.2
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 616.6, dfps: 72.7

CoreAVC 2.0.0
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 498.0, dfps: 81.4
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 404.6, dfps: 81.9
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 462.5, dfps: 80.9

CoreAVC 2.0.0 (CUDA)
User: 0s, kernel: 0s, total: 0s, real: 3s, fps: 417.7, dfps: 62.6
User: 0s, kernel: 0s, total: 0s, real: 3s, fps: 498.0, dfps: 63.2
User: 0s, kernel: 0s, total: 0s, real: 3s, fps: 417.7, dfps: 63.5

DiAVC alfa
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 588.6, dfps: 81.9
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 681.5, dfps: 80.9
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 479.6, dfps: 82.5

DiAVC beta
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 539.5, dfps: 89.3
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 647.4, dfps: 90.5
User: 0s, kernel: 0s, total: 0s, real: 2s, fps: 761.7, dfps: 88.7

So the new optimizations give ~10% better performance.