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What's so important about hardware crypto? For me, the real game-changer would be some type of better GPGPU support on existing and future devices. Most of the
by etaioinshrdlu 6y ago
What's so important about hardware crypto?
For me, the real game-changer would be some type of better GPGPU support on existing and future devices. Most of the FLOPs are in the GPU and it's not very practical to use it for compute due to lack of drivers and APIs.
- stefan_ 6y agoThere aren't a lot of flops at all in the RPi GPU, though. They probably want some sort of Neural Network inference engine, both because it is easy enough and makes for good educational content.
- etaioinshrdlu 6y agoIt turns out to be a difficult question to answer as to the number of FLOPs of the Pi 4 GPU, see here: https://www.raspberrypi.org/forums/viewtopic.php?t=244519 https://www.raspberrypi.org/forums/viewtopic.php?t=244519 But it does appear the the GPU has perhaps 2x to 5x the FLOPs of the CPU, albeit with not much in the way of APIs to actually use it.
- hedora 6y agoHardware crypto has an incredibly low gate count, and essentially all network communication requires crypto. Without it, you waste the (much more power and die-space intensive) CPU on AES.