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df3bd40c56
I noticed that scrolling the assistant panel was very slow in debug mode, after running a completion. From profiling, I saw that it was due to the buffer's `is_dirty` and `has_conflict` checks, which use `edits_since` to check if there are any non-undone edits since the saved version. I optimized this in two ways: * I introduced a specialized `has_edits_since` method on text buffers, which allows us to more cheaply check if the buffer has been edited since a given version, without some of the overhead involved in computing what the edits actually are. * In the case of `has_conflict`, we don't even need to call that method in the case where the buffer doesn't have a file (is untitled, as is the case in the assistant panel). Buffers without files cannot be in conflict. Release Notes: - Improved performance of editing the assistant panel and untitled buffers with many edits. |
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