pgalbavy 6 Posted February 20, 2020 Share Posted February 20, 2020 Only tangentially related to Emby but I think this forum will have people who know... I am beginning to transcode my media collection to HEVC (with audio copy, so Emby can't do this directly for me) and I know my i7-7500U will support multiple decode/encodes with ffmpeg but I cannot find any stated limits. Mostly BluRay rips but there will be HD-DVD/DVD MPEG2 files as well. Any experience of how many parallel transcodes my HD620 will handle and/or pointers to wider sources of benchmarks/info? For now I'm just kicking off 4 transcodes in parallel and it seems to be coping. Link to comment Share on other sites More sharing options...
Luke 37019 Posted February 20, 2020 Share Posted February 20, 2020 @ may have some insight on that. Link to comment Share on other sites More sharing options...
Jdiesel 1113 Posted February 20, 2020 Share Posted February 20, 2020 My experience testing my HD630 has been about 8-10 1080p remux transcoded and 2-3 4k HVEC transcodes. The CPU may still be required for certain conversation aspects so this may. Not be universal across the board. I have an Intel i7 8700 in my server. Link to comment Share on other sites More sharing options...
pgalbavy 6 Posted February 20, 2020 Author Share Posted February 20, 2020 Thanks; With 4 ffmpeg processes it seems comfortable, 8 and it feels slower but I am still doing approximate / non-scientific benchmarks. Link to comment Share on other sites More sharing options...
Jdiesel 1113 Posted February 20, 2020 Share Posted February 20, 2020 My testing consisted of seeing how many 5Mbps transcodes I could open in Chrome at once. Link to comment Share on other sites More sharing options...
Q-Droid 634 Posted February 20, 2020 Share Posted February 20, 2020 My experience testing my HD630 has been about 8-10 1080p remux transcoded and 2-3 4k HVEC transcodes. The CPU may still be required for certain conversation aspects so this may. Not be universal across the board. I have an Intel i7 8700 in my server. That's also been my experience with an i3 8100. Those are usable playback numbers. You can probably go higher concurrent for conversions that don't have to keep up with real time, at a lower fps. 1 Link to comment Share on other sites More sharing options...
Guest asrequested Posted February 20, 2020 Share Posted February 20, 2020 There won't be any stated limits, because there are too many variables. But be aware that encoding to HEVC is a tough job, more so the higher the resolution and bitrate. 1 Link to comment Share on other sites More sharing options...
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