Windows 10 vs. Ubuntu 21.04 On The AMD Ryzen Threadripper 3990X
To some surprise the dav1d AV1 decoder continued running faster on Windows.
Intel's Embree ray-tracing kernels were running faster on Linux.
SVT-AV1 video encoding on Ubuntu 21.04 was much faster than Windows 10 for this AMD Ryzen Threadripper system.
Intel's Open Image Denoise showed slightly stronger performance on Ubuntu 21.04 than Windows 10.