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Changes between Initial Version and Version 1 of Ticket #30251, comment 16

initial	v1
5	5	> +1. Could they possibly be added as thematic tutorials in the main sage tree, or are there technical limitations that would prevent that?
6	6
7		The large CPU times could prevent to add these examples to the thematic tutorials, which are doctested at each run of `make ptestlong`. For instance, if you look at the last cell of the [https://nbviewer.jupyter.org/github/sagemanifolds/SageManifolds/blob/master/Notebooks/SM_Kerr.ipynb Kerr notebook], you see that it takes about 6 min when running in parallel on 8 processes. NB: most of this CPU time is not spent in the actual tensor calculation, but in the simplifications of the involved symbolic expressions.
	7	The large CPU times could prevent to add these examples to the thematic tutorials, which are doctested at each run of `make ptestlong`. For instance, if you look at the last cell of the [https://nbviewer.jupyter.org/github/sagemanifolds/SageManifolds/blob/master/Notebooks/SM_Kerr.ipynb Kerr notebook], you see that it takes about 6 min when running in parallel on 8 processes. NB: most of this CPU time is not spent in the actual tensor calculations, but in the simplifications of the involved symbolic expressions.
8	8	>
9	9	> > Another concern one might have is performance, which is not tracked by doctests, but could be in the test suite (note that there is a total CPU time measurement in the Kerr notebook mentioned above).