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Speaking of APv3...which CPU architecture do you think will it have?
I think ARM is very likely.
It seems like the easiest (though not best) path forward. Swap out the GP106 for their NN chip (assuming it also speaks PCIe) and all associated hardware (RAM and such attached to the GP106 for whatever the NN chip needs). Minimal changes to board layout, minimal re-routing, re-tooling, etc for production and assmebly.Is it possible that they will stick with Parker SoC?
It seems like the easiest (though not best) path forward. Swap out the GP106 for their NN chip (assuming it also speaks PCIe) and all associated hardware (RAM and such attached to the GP106 for whatever theNN chip needs). Minimal changes to board layout, minimal re-routing, re-tooling, etc for production and assmebly.
"Best" is debatable upon what your priorities are but a custom ARM SoC (perhaps integrated the NN chip itself) with just enough of everything they need and no more is my idea of "best".
If they could still use Parker SoC than delays are less likely and 2.5 revision makes more sense. However I wonder how nvidia feels about it.
Nvidia will sell them every Parker they can, as long as Tesla is buying. Outside of Nintendo Switch they don't have many real major design wins for their "mobile" SoCs (Tegra & friends) - mostly due to being 'hotter' and 'more power hungry' than the competition (this only really impacts portable devices, not EVs). Plus this lets Nvidia still brag about powering Tesla vehicles even if they aren't doing the heavy lifting.If they could still use Parker SoC than delays are less likely and 2.5 revision makes more sense. However I wonder how nvidia feels about it.
I'm sure that whatever the design is, it's quite fixed at this point. All we can do is speculate until they see fit to tell us more, or deliver it in vehicles for someone to take apart.Hopefully those decisions have been made and set in concrete given that they claim to have cars running AP3 test hardware on the road.
Nvidia will sell them every Parker they can, as long as Tesla is buying. Outside of Nintendo Switch they don't have many real major design wins for their "mobile" SoCs (Tegra & friends) - mostly due to being 'hotter' and 'more power hungry' than the competition (this only really impacts portable devices, not EVs). Plus this lets Nvidia still brag about powering Tesla vehicles even if they aren't doing the heavy lifting.
I'm sure that whatever the design is, it's quite fixed at this point. All we can do is speculate until they see fit to tell us more, or deliver it in vehicles for someone to take apart.
Doesn't mean I won't enjoy speculating
Extra power? The vehicle is sitting on top of the equivalent of three days worth of summer time electricity usage for my entire house. The batteries contain so much energy that people use them to store solar so they can operate every appliance in their house. Plugging in to a home charger charges at about the same speed the car drives through a town. This is all to say that these batteries offer an amazing amount of electrical charge, and that even if post-processing of data consumed 700W (we know it doesn't, but let's say it did), that's still only 2-3 miles of range per hour of processing.
...when there is computational power extra
NVidia doesn't appear to even be pursuing low-end, and low power stuff. In fact with the Xavier they're targeting even higher end stuff like Kiosk robots.
As to Tesla I fully expect them to continue using the Parker SoC, and to interface to their own silicon through a PCI-Express interface. I don't see them wanting to work with ARM to license anything.
I think ARM is very likely.
If someone wants to learn about neural networks without a background in computer science or math, where should they start? Can anyone recommend a good online course or a similar deep dive that is accessible to a general audience?
To confirm are you saying the single net processing all cameras is NOT the one you now believe is running the car and rather it's individual NNs processing each independently like v8?
Just trying to understand.
An interesting question to consider would be, is there some way to tell which network is being use to drive? In V8 the number of cameras being used in the networks was different so you could do stuff like tape over a camera to see if it had an effect on the car and try to figure out if the number of cameras that was being used would tell you which networks were getting used. In V9 both sets of networks use all the cameras so this trick doesn't work. There might be some other way to tell if we knew more about the non-AKNET_V9 networks, but right now we don't know much other than that they are separate networks for each camera and that there's a complete set of them for all 8 external cameras.
Speaking of APv3...which CPU architecture do you think will it have?