recommendations:
threadpool_affinity 0 - let the OS handle where threads run on the CPU
already default:
studio_queue_mode 1
r_threaded_particles 1
mat_queue_mode -1
these do nothing (force disabled):
r_threaded_client_shadow_manager
cl_threaded_client_leaf_system
r_threaded_renderables
mp_usehwmmodels
mp_usehwmvcds
these cause crashes:
cl_threaded_bone_setup
r_queued_decals
r_queued_ropes
these cause bugs:
host_thread_mode 1
r_queued_post_processing