Per https://www.theregister.com/2022/09/06/nasas_spaceflight_computer_risc_v/?td=rt-3a https://www.theregister.com/2022/09/06/nasas_spaceflight_com... this was

Per https://www.theregister.com/2022/09/06/nasas_spaceflight_computer_risc_v/?td=rt-3a https://www.theregister.com/2022/09/06/nasas_spaceflight_com... this was developed for the HPSC program whose goal was to develop a replacement for the RAD750, and the "100 times performance" requirement is wrt that.