Df Sum Sq Mean Sq  F value    Pr(>F)    
comm.strat             3   8.34    2.78   5.6816 0.0007406 ***
migr.freq              1  34.77   34.77  71.0257 < 2.2e-16 ***
max.cpu                1  50.67   50.67 103.4952 < 2.2e-16 ***
instance               1 143.51  143.51 293.1486 < 2.2e-16 ***
comm.strat:migr.freq   3   6.74    2.25   4.5915 0.0033717 ** 
comm.strat:max.cpu     3   1.82    0.61   1.2407 0.2937183    
comm.strat:instance    3   0.60    0.20   0.4092 0.7464428    
migr.freq:max.cpu      1   1.18    1.18   2.4135 0.1206326    
migr.freq:instance     1   1.54    1.54   3.1407 0.0766835 .  
max.cpu:instance       1   0.04    0.04   0.0839 0.7721013    
Residuals            941 460.66    0.49                       
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Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1