  Global simulations of electromagnetic turbulence, collisionless tearing
modes, and Alfven Eigenmodes in the presence of fast particles are carried out
using the gyrokinetic particle-in-cell codes ORB5 (E. Lanti et al, Comp. Phys.
Comm., ${\bf 251}$, 107072 (2020)) and EUTERPE (V. Kornilov et al, Phys.
Plasmas, ${\bf 11}$, 3196 (2004)) in tokamak and stellarator geometries.
Computational feasibility of simulating such complex coupled systems is
demonstrated.
