AMD Ryzen 3950x speed issues
Posted: Sat Mar 27, 2021 4:04 pm
Just built a new computer with a 16-core 3950x / PCI Express 4.0 motherboard and having a couple of issues with the speed at which NV 5 is optimizing/working. Just a heads-up that I'm exclusively working in VirtualDub 2 (64-bit) with standard definition footage - 720x480 interlaced on a Windows 10 Pro 64-bit OS. GPU is not being used for processing at this time until I can get one of the RTX cards down the line. I'm encoding in either HuffyUV or Lagarith (with multi-threading turned on). Using an XPG SX8200 Pro M.2 SSD drive for saving the video.
When I run the optimizer with the default settings I'm seeing 'best combination' 148 frames/sec for 720 x 480 interlaced. I go ahead and accept that and then run my encode, where I'm getting only about 50 fps. The other thing I notice is that I cannot get it utilize more than about 25%-30% of my CPU with no other major applications running on my machine and the CPU pretty much idle otherwise -- pretty much no matter what I change the settings to.
Is there some reason why it's not using the full capacity of the CPU and/or why I'm not getting closer to the 148 fps that the optimizer stated?
When I run the optimizer with the default settings I'm seeing 'best combination' 148 frames/sec for 720 x 480 interlaced. I go ahead and accept that and then run my encode, where I'm getting only about 50 fps. The other thing I notice is that I cannot get it utilize more than about 25%-30% of my CPU with no other major applications running on my machine and the CPU pretty much idle otherwise -- pretty much no matter what I change the settings to.
Is there some reason why it's not using the full capacity of the CPU and/or why I'm not getting closer to the 148 fps that the optimizer stated?