nodes	tasks	mean_time	std_time	efficiency	efficiency_error
1	1	41.98463099999999	1.4067920862965122	1.0	0.023219381860496473
1	2	49.85189340000001	1.7669363566083227	0.8421872899214694	0.020685165974491628
1	4	59.9694977	2.209151778903949	0.7000997608822725	0.01787171173813342
2	8	72.810012625	0.5538313058789631	0.5766326565034021	0.003039461920431096
4	16	84.718001525	5.20969191162485	0.4955809892140865	0.021118450727088397
8	32	87.22569569999999	1.7018797711775082	0.4813332890390463	0.0065079080866405825
16	64	85.36740952500001	1.0197522041876155	0.49181099946232654	0.004071100890302765
32	128	87.5995021046875	0.8707125543332932	0.47927933368645675	0.003301208459097849