Df  Sum Sq Mean Sq   F value    Pr(>F)    
comm.strat             3   39.88   13.29    5.7035 0.0007183 ***
migr.freq              1 2717.53 2717.53 1166.0063 < 2.2e-16 ***
max.cpu                1  285.97  285.97  122.7004 < 2.2e-16 ***
instance               1 2361.10 2361.10 1013.0737 < 2.2e-16 ***
comm.strat:migr.freq   3   34.67   11.56    4.9581 0.0020283 ** 
comm.strat:max.cpu     3   10.77    3.59    1.5403 0.2025217    
comm.strat:instance    3   25.59    8.53    3.6600 0.0121532 *  
migr.freq:max.cpu      1    2.15    2.15    0.9223 0.3371185    
migr.freq:instance     1   70.65   70.65   30.3117 4.746e-08 ***
max.cpu:instance       1   10.01   10.01    4.2970 0.0384517 *  
Residuals            941 2193.12    2.33                        
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Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1