@pspeed using control idea saved me about 250 fps. 
before attaching child fps was 500 and after attaching child using control to sync, fps remained 500 whereas using software skinning dropped fps to 250.
@pspeed using control idea saved me about 250 fps.
before attaching child fps was 500 and after attaching child using control to sync, fps remained 500 whereas using software skinning dropped fps to 250.