nodes	tasks	mean_time	std_time	efficiency	efficiency_error
1	1	60.658062599999994	1.8711952545625232	1.0	0.021376748626269895
1	2	80.6903592	1.1554429061827625	0.751738661240214	0.007459415624087278
1	4	89.01234124999999	1.3979557323025515	0.6814567704677693	0.00741639040919915
2	8	101.357940575	4.784240687736861	0.5984539766286584	0.01957478845779047
4	16	106.2530252	1.5044057675724636	0.5708831582519497	0.005601211794070455
8	32	113.70197445	2.069642901549501	0.5334829310873062	0.006729131548114211
16	64	119.22770070624999	0.7600051865549382	0.5087581345667959	0.00224730403456563
32	128	121.8124414140625	0.5170666166834136	0.4979627852118346	0.0014647476739746731