4 ms·
That never made sense to me until I really learned about bit flips, and how the smaller the process node, the more susceptible it is. They are at least up to P
by 4oo4 4y ago
That never made sense to me until I really learned about bit flips, and how the smaller the process node, the more susceptible it is.
They are at least up to PowerPC with the most recent Mars missions, probably not a terrible tradeoff of computing power vs. radiation vulnerability.
https://www.macrumors.com/2021/03/02/nasa-mars-perseverance-rover-imac-powerpc/ https://www.macrumors.com/2021/03/02/nasa-mars-perseverance-...
- kam 4y agoThe Mars Helicopter Ingenuity actually has a 2014-era 2.2GHz ARM phone SoC, the Snapdragon 801 (same chip as the Galaxy S5 and OnePlus One) https://rotorcraft.arc.nasa.gov/Publications/files/Balaram_AIAA2018_0023.pdf https://rotorcraft.arc.nasa.gov/Publications/files/Balaram_A...
- 4oo4 4y agoWow that's crazy, since I'd imagine SoCs to be the most vulnerable to bitflips.