Computation times

00:06.401 total execution time for 3 files from examples/mlearning/dimension_reduction:

Example	Time	Mem (MB)
Mixture of experts with PCA on Burgers dataset (plot_moe_burgers.py)	00:05.070	0.0
KL-SVD on Burgers equation (plot_klsvd_burgers.py)	00:00.681	0.0
PCA on Burgers equation (plot_pca_burgers.py)	00:00.651	0.0