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Øyvind "pippin" Kolås authored
Resurrected GEGL multi threaded locks with locking at the tile level, the performance gained from multi threading is small if detectable, through the added overhead and lock contention. There still are outstanding paralellisation issues. There is a per tile mutex, per buffer (in ->tile_backend) mutex and a per node mutex. You need to pass --enable-mt to configure/autogen to enable the multi threading support.
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