Quote:
Originally Posted by Nintendo Maniac 64
I realize it's still early days, but it's kind of disappointing to see only ~25% CPU utilization on my 4c/8t Nehalem Xeon x3470 while playing back a 1080p 30fps AV1 video in slower than real-time (ended up somewhere between 16 and 20fps).
Mathematically that would equal out to only using 2 threads, but I find a massive performance difference between running 2 threads and 3 threads - it would seem that the 2 less-demanding threads only use around 50% of a CPU core's available utilization even the video you're trying to play is running slower than real-time.
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Strange, on the low grade 2c/4t processor, i get around 90% utilization, which means decoder must use at least 4 threads. Maybe You have any other bootlenecks