recompose this grid

testing results for: monetdb5 (diff mode)
mac-mini
Cla-Dar-i64
mac-mini
Cla-Dar-i64
mac-mini
Cla-Dar-i64
mac-mini
Cla-Dar-i64
lab05
Cla-Fed-i64
lab05
Cla-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab01
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab05
GNU-Fed-i64
lab01
GNU-Fed-i64
lab01
Int-Fed-i64
power8
GNU-Fed-p64
power8
GNU-Fed-p64
power8
GNU-Fed-p64
power8
GNU-Fed-p64
lab03
Int-Win-i32
lab03
Int-Win-i32
lab03
Mic-Win-i32
lab03
Mic-Win-i32
lab03
Int-Win-i64
lab03
Int-Win-i64
lab03
Mic-Win-i64
lab03
Mic-Win-i64
total102.492 102.430 131.469 131.162 77.395 76.094 119.429 119.569 81.588 81.662 77.583 77.818 184.250 392.296 95.799 96.213 83.675 84.345 124.681 122.968 217.049 286.015 220.836 228.721 229.183 220.440 220.368 282.005 283.063 226.987 227.644 272.906 275.576 201.542 202.416 
70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)70358 (Apr2019)70361 (Apr2019)