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Jingning Han authored
The txk-sel allows each transform block to select its own transform kernel. Such locality enables one to store the selected RD cost including tx_type selection per transform block size. It reduces the needed hash map size to 1 / 16 of what is needed without txk-sel. This commit re-works the hash map RD cost fetch for txk-sel. Tested on red_kayak_480p in speed 1, enabling txk-sel makes the encoding speed 12% faster than the baseline without txk-sel on. Further enabling reduced hash map size gains speed 1 another 10%. Change-Id: I4a5d99d27e2a76b10e76c00a8178f692c95fdf13
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