[tormento]

Tried pure speed comparison between SMDegrain and NotSMDegrain on an old movie. Latest versions of AviSynth+, AVSI and dll filters.

Script for SMDegrain

SetMemoryMax()
SetFilterMTMode("DEFAULT_MT_MODE", 2)
LoadPlugin("D:\Eseguibili\Media\DGDecNV\DGDecodeNV.dll")
DGSource("F:\In\1_30 Febbre da cavallo\febbre.dgi",ct=24,cb=24,cl=0,cr=0)
ConvertBits(16)
SMDegrain (tr=6, thSAD=600, refinemotion=true, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)
Prefetch(6)

Script for NotSMDegrain

SetMemoryMax()
SetFilterMTMode("DEFAULT_MT_MODE", 2)
LoadPlugin("D:\Eseguibili\Media\DGDecNV\DGDecodeNV.dll")
DGSource("F:\In\1_30 Febbre da cavallo\febbre.dgi",ct=24,cb=24,cl=0,cr=0)
NotSMDegrain (tr=6, thSAD=600, refinemotion=true, n16_out=true, mode=0, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)
Prefetch(6)

SMDegrain (tr=6, thSAD=600, refinemotion=true, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)

AVSMeter 3.0.8.0 (x64), (c) Groucho2004, 2012-2021
AviSynth+ 3.7.1 (r3413, master, x86_64) (3.7.1.0)

Number of frames: 2712
Length (hh:mm:ss.ms): 00:01:48.480
Frame width: 1920
Frame height: 1032
Framerate: 25.000 (25/1)
Colorspace: YUV420P16

Frames processed: 2712 (0 - 2711)
FPS (min | max | average): 0.918 | 959.8 | 5.764
Process memory usage (max): 2162 MiB
Thread count: 75
CPU usage (average): 72.4%

Time (elapsed): 00:07:50.498

NotSMDegrain (tr=6, thSAD=600, refinemotion=true, n16_out=true, mode=0, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)

Frames processed: 2712 (0 - 2711)
FPS (min | max | average): 0.956 | 125000 | 6.124
Process memory usage (max): 1961 MiB
Thread count: 76
CPU usage (average): 73.0%

Time (elapsed): 00:07:22.854

SMDegrain (tr=7, thSAD=700, refinemotion=true, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)

Frames processed: 2712 (0 - 2711)
FPS (min | max | average): 0.788 | 1055 | 4.498
Process memory usage (max): 2020 MiB
Thread count: 75
CPU usage (average): 73.2%

NotSMDegrain (tr=7, thSAD=700, refinemotion=true, n16_out=true, mode=0, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)

Frames processed: 2712 (0 - 2711)
FPS (min | max | average): 0.477 | 243903 | 5.029
Process memory usage (max): 1783 MiB
Thread count: 74
CPU usage (average): 72.5%

SMDegrain (tr=9, thSAD=900, refinemotion=true, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)

Frames processed: 2712 (0 - 2711)
FPS (min | max | average): 0.683 | 714286 | 3.412
Process memory usage (max): 2278 MiB
Thread count: 75
CPU usage (average): 73.1%

NotSMDegrain (tr=9, thSAD=900, refinemotion=true, n16_out=true, mode=0, contrasharp=false, PreFilter=4, truemotion=true, plane=4, chroma=true)

Frames processed: 2712 (0 - 2711)
FPS (min | max | average): 0.835 | 625000 | 3.909
Process memory usage (max): 1964 MiB
Thread count: 75
CPU usage (average): 72.7%