Current GR just too much fishing for barb if you want to compete.  do you follow ww breakpoints?

you're dual wielding:

ATTACKS PER SECOND - FRAME LENGTH - TICK FREQUENCY - # OF TORNADO TICKS

0.86957-0.90909 aps - 22 frames per tick - 2.73 ticks per second - 9 ticks
0.90910-0.95238 aps - 21 frames per tick - 2.86 ticks per second - 9 ticks
0.95239-1.00000 aps - 20 frames per tick - 3.00 ticks per second - 9 ticks
1.00001-1.05263 aps - 19 frames per tick - 3.16 ticks per second - 10 ticks
1.05264-1.11111 aps - 18 frames per tick - 3.33 ticks per second - 10 ticks
1.11112-1.17647 aps - 17 frames per tick - 3.53 ticks per second - 11 ticks
1.17648-1.25000 aps - 16 frames per tick - 3.75 ticks per second - 12 ticks
1.25001-1.33333 aps - 15 frames per tick - 4.00 ticks per second - 12 ticks
1.33334-1.42857 aps - 14 frames per tick - 4.29 ticks per second - 13 ticks
1.42858-1.53846 aps - 13 frames per tick - 4.62 ticks per second - 14 ticks
1.53847-1.66666 aps - 12 frames per tick - 5.00 ticks per second - 15 ticks
1.66667-1.81818 aps - 11 frames per tick - 5.45 ticks per second - 17 ticks
1.81819-2.00000 aps - 10 frames per tick - 6.00 ticks per second - 18 ticks
2.00001-2.22222 aps - 9 frames per tick - 6.67 ticks per second - 20 ticks
2.22223-2.50000 aps - 8 frames per tick - 7.50 ticks per second - 23 ticks
2.50001-2.85714 aps - 7 frames per tick - 8.57 ticks per second - 26 ticks
2.85715-3.33333 aps - 6 frames per tick - 10.0 ticks per second - 30 ticks
3.33334-4.00000 aps - 5 frames per tick - 12.0 ticks per second - 36 ticks
4.00001-5.00000 aps - 4 frames per tick - 15.0 ticks per second - 45 ticks
5.00001-6.66666 aps - 3 frames per tick - 20.0 ticks per second - 60 ticks
6.66667-10.00000 aps - 2 frames per tick - 30.0 ticks per second - 90 ticks
10.00001-20.00000 aps - 1 frame per tick - 60.0 ticks per second - 180 ticks 

and you really need those legendary gem to help you, especially pain enchancer, taeguk and maybe trap if you have 3 sockets.