Patches to Bf Blender for CAD development.
https://tornavis.org/
8adebaeb7c
The goal is to give technical artists the ability to optimize modifier usage and/or geometry node groups for performance. In the long term, it would be useful if Blender could provide its own UI to display profiling information to users. However, right now, there are too many open design questions making it infeasible to tackle this in the short term. This commit uses a simpler approach: Instead of adding new ui for profiling data, it exposes the execution-time of modifiers in the Python API. This allows technical artists to access the information and to build their own UI to display the relevant information. In the long term this will hopefully also help us to integrate a native ui for this in Blender by observing how users use this information. Note: The execution time of a modifier highly depends on what other things the CPU is doing at the same time. For example, in many more complex files, many objects and therefore modifiers are evaluated at the same time by multiple threads which makes the measurement much less reliable. For best results, make sure that only one object is evaluated at a time (e.g. by changing it in isolation) and that no other process on the system keeps the CPU busy. As shown below, the execution time has to be accessed on the evaluated object, not the original object. ```lang=python import bpy depsgraph = bpy.context.view_layer.depsgraph ob = bpy.context.active_object ob_eval = ob.evaluated_get(depsgraph) modifier_eval = ob_eval.modifiers[0] print(modifier_eval.execution_time, "s") ``` Differential Revision: https://developer.blender.org/D17185 |
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README.md
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