[MRG] Accelerate examples/manifold/plot_t_sne_perplexity.py #21636
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Reference Issues/PRs
#21598
What does this implement/fix? Explain your changes.
Reduce from 18 sec to 7 sec by halving the number of samples and reducing
n_iterfrom default 1000 to 300 or 400.Also set
learning_rate="auto"to disable FutureWarning.Before:
After:
Any other comments?