8536fd1223
Stored undo step data for position changes in sculpt mode are now automatically compressed. Compression is run in background threads, reducing memory consumption during sculpting sessions while adding little performance overhead. For testing and benchmarks, memory usage is now available through `bpy.app.undo_memory_info()`. Undo memory usage is now tracked by the existing automated benchmark tests. Some changes to the web benchmark visualization present the data a bit better. ZSTD compression is run asynchronously in a backround task pool. Compression is only blocking if the data is requested immediately for undo/redo. Co-authored-by: Hans Goudey <hans@blender.org> Pull Request: https://projects.blender.org/blender/blender/pulls/141310
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