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Old 4th March 2021, 19:55   #3  |  Link
YaBoyShredderson
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Join Date: Jul 2020
Posts: 76
Quote:
Originally Posted by Blue_MiSfit View Post
1 thread is optimal. You inherently lose some compression efficiency when using threading and it's ideal to not use it (from a quality standpoint).

Big cloud streaming providers often run single threaded parallel chunk encoding for exactly this reason. Some encoders have flat-out poor threading, and cloud providers often prefer to work with a large pool of small VMs, so there's no downside to single threading.
So better to run 16 encodes on 1 thread each than a single encode on 16. How much better if u could ballpark it (bitrate savings/crf changes etc)?
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