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Table 2 SpeedUp ratio sorted by depth + numTrees

From: Random forest implementation and optimization for Big Data analytics on LexisNexis’s high performance computing cluster platform

numTrees

Depth

ratioOldNew

25

10

5.67519

50

10

5.038769

75

10

4.889199

25

25

7.840796

50

25

6.952996

75

25

6.306244

25

50

9.877268

50

50

8.395452

75

50

7.233024

25

75

10.301324

50

75

8.832542

75

75

8.071576

Average ratio

7.45