MNT Speed up of plot_face_recognition.py example#21725

Merged

glemaitre merged 11 commits intoscikit-learn:mainfrom

pramodatre:speed_up_plot_face_recognition.py

Dec 15, 2021

Commits on Nov 21, 2021

Speed up of plot_face_recognition.py by leveraging all cores when running GridSearchCV. Speed up is around 3x (plot_face_recognition.py running time reduced from 21s to 6s)
pramodatre
committed

Commits on Nov 29, 2021

Addressed comments to include StandardScaler(), using ConfusionMatrixDisplay, and accepted all sphinx-gallery related changes
pramodatre
committed
flake8 check and ran black formatter
pramodatre
committed

Commits on Dec 11, 2021