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World-age changes in 1.12 #158
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Activity
Addendum :
I believe it should be possible for us to generate models on the fly, and call
invokelatestwhen we need to call therun!function of those models, to raise the world-age temporarily and ensure those functions are visible and callable without needing to force a clunky return to toplevel first.Situations where generating models and executing on-the-fly code currently only involve status vector inputs, and timestep mapping, but world-age clunkiness was a blocker.
There may still be concerns (performance ?), but the
invokelatestapproach may be worth testing, and is considered to be stable.
I see world-age behaviour was slightly changed in 1.12. This release occurred after the implementation of automatic input vector to model generation was added to PlantSimEngine.
I don't think anything broke on our end (tests pass without issues), but since we may need to work on automated model generation in other circumstances (multi-timestep, etc.), it is worth looking into the exact nature of the changes and potential consequences and subtleties.
A section about world-age was added in the manual : https://docs.julialang.org/en/v1.12.0-rc2/manual/worldage/