432-Core RISC-V European Processor Designed for Use in Space Taped Out

Re:432-Core RISC-V European Processor Designed for Use in Sp... by 2OEH8eoCRo0 on Tuesday May 09, 2023 @07:08AM (#35872537)

https://en.wikipedia.org/wiki/Ingenuity_(helicopter)

> Ingenuity, also called Ginny, is a small robotic helicopter operating on Mars.

> The helicopter uses a Qualcomm Snapdragon 801 processor

Edit: There is a way to detect and recover from these types of errors. They appear to be able to run the computation on a number of cores with a voter to check for consistency.

Slide 41 (PDF warning): http://microelectronics.esa.int/riscv/rvws2022/presentations...

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Re:432-Core RISC-V European Processor Designed for Use in Sp... by sjburt on Tuesday May 09, 2023 @09:52AM (#35874319)

Ingenuity had a Snapdragon, but there was also a redundant pair of arm r5f microcontrollers (which are also lockstepped dual-core processors, so quadruple redundancy) where the flight controllers were, and a rad-tolerant FPGA (proasic) that watchdogged everything else. The Snapdragon was used for less critical code such as imaging and comms.

https://rotorcraft.arc.nasa.gov/Publications/files/Balaram_A...

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Re:432-Core RISC-V European Processor Designed for Use in Sp... by Symmetry on Tuesday May 09, 2023 @11:29AM (#35875865)

Also, thanks to the thin atmosphere and lack of a magnetic field Mars's surface is about 50 times more radioactive than the Earth's, but it's still no as bad as space out past the Van Allen belts

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