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Fiona Glaser authored
Smarter decision to improve fast-first-pass performance in 2-pass encodes. Dramatically improves CPU utilization on multi-core systems. Tested on a quad-core Ivy Bridge (12 threads, 1080p): Fast first pass: veryfast: ~7% faster faster: ~11% faster fast/medium: ~15% faster slow/slower: ~42% faster veryslow: ~55% faster CRF/1-pass: veryfast: ~9% faster (all others remained the same)
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