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This commit makes freeing a node tree about 25 to 30 times faster. Freeing a node tree happens whenever it is edited. Freeing a node tree with about 4000 nodes went from 30-50ms to about 2 ms. This was so slow before because for every node that was freed when freeing the node tree, `node_free_node` looped over all other nodes to detach frames, and then looped over all links to remove any links connected to the node. That was all pointless work because everything else is about to be freed anyway. Instead, move that "detaching" behavior to the dedicated function for removing a single node, and to the "local" version of the free function to be safe, since I know less about what that version expects. Differential Revision: https://developer.blender.org/D13636
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU General Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.