Maya Parallel Evaluation and Complex Expression Interoperability
0 reputation · 10 Jul 2020, 20:34 UTC
Parallel Evaluation Mode and Expression Determinism
Autodesk Maya utilizes Parallel Evaluation to distribute the calculation of the dependency graph across multiple CPU cores. While this significantly improves playback performance, the interaction between this mode and complex expressions can introduce inconsistencies.
When scenes rely on intricate expressions for animation or simulation, there is a risk that the evaluation order may vary between Parallel and Serial modes. This uncertainty can lead to non-repeatable results during playback or simulation, complicating the hand-off between animation and technical direction.
Given these architectural constraints, what are the specific conditions that cause Parallel Evaluation to deviate from Serial Evaluation results when processing complex expressions? How can a developer verify that an expression is fully compatible with the parallelized dependency graph?
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