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JDLang76

macrumors regular
Original poster
Jan 1, 2018
155
55
High Sierra on HFS+
Latest iMove
2x Xeon X5690
All clips are 4K mp4 from the same source.

Sometimes imovie renders using 6 cores, sometimes 12. Seems to be totally at random. When it uses 12, it really does render twice as fast. Anyone know how I can keep the 12 core usage consistent or why it does this?
 
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