Gradient Descend

BFGS

FR

The first experiment (m = 300, n = 500)

258

2

24

The second experiment (m = 1000, n = 1500)

115

2

19

The third experiment (m = 3000, n = 5000)

80

4

18

The fourth experiment (m = 5000, n = 8000)

72

4

32

The fifth experiment (m = 10,000, n = 12,000)

64

52

32