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Table 1 SpeedUp ratio sorted by numTrees + depth

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

numTreesDepthratioOldNew
25105.67519
25257.840796
25509.877268
257510.301324
50105.038769
50256.952996
50508.395452
50758.832542
75104.889199
75256.306244
75507.233024
75758.071576
Average ratio7.45