Extended Data Fig. 2: Time trial on Sarthe.
From: Outracing champion Gran Turismo drivers with deep reinforcement learning
An analysis of Igor Fraga’s best lap in the time-trial test compared with GT Sophy’s lap. a, Areas of the track where Igor lost time with respect to GT Sophy. Corner 20, highlighted in yellow, shows an interesting effect common to the other corners in that Igor seems to catch up a little by braking later, but then loses time because he has to brake longer and comes out of the corner slower. Igor’s steering controls (b) and Igor’s throttle and braking (c) compared with GT Sophy on corner 20. Through the steering wheel and brake pedal, Igor is able to give smooth, 60-Hz signals compared with GT Sophy’s 10-Hz action rate.
