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Michelle Findlay-Olynyk authored
Add speed feature that uses hash tables to reuse deltas from previously found optimized coefficients in av1_optimize_txb. This skips some expensive optimize_txb calls. Work stopped (no current benefit): Current setup has worse speed (~1%), and is turned off by default in speed_features.c. Overall PSNR was ~0.1% worse. See go/hashBasedTrellis for feature details. Requires hash_me. Change-Id: Id12ada82984ea6682e2b6f27534fa57f3a3abb4a
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