Increase FPS?

You must enter this into autoexec.cfg.
fps_max 500
gmod_mcore_test 1
studio_queue_mode 1
cl_threaded_bone_setup 1
cl_timeout 600
cl_detailfade 1
cl_detaildist 2
r_3dsky 0
mat_queue_mode -1
mat_disable_bloom 1
mat_bloom_scalefactor_scalar 1
r_drawmodeldecals 0
r_WaterDrawReflection 0
r_WaterDrawRefraction 0
r_waterforceexpensive 0
r_queued_ropes 1
r_shadowrendertotexture 0
r_shadowmaxrendered 0
r_shadows 0
r_eyemove 0
cl_drawmonitors 0
cl_updaterate 16
cl_cmdrate 16
cl_interp 0
cl_interp_ratio 0
M9K_GasEffect 0