Model scale

Iteration

Runtime performance

Damped least squares (s)

Truncated SVD (s)

5 × 10 × 10

1

0.75

0.76

2

0.76

1.35

3

0.79

1.29

4

0.79

1.28

5

0.85

1.33

6

0.80

1.33

5 × 20 × 20

1

3.03

3.13

2

6.18

102.71

3

6.67

101.36

4

6.04

99.52

5

6.04

101.84

6

5.92

101.36