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For example the Samsung Galaxy S10 has an Exynos 9820 CPU with integrated NPU. We all know Android is based on Linux.

So where can I find the Linux API documentation about how to interact with the NPU?

For example there must be a way to get the frequency and core count of the NPU. Maybe they are listed in /proc/cpuinfo? Also I want to load a program into the NPU and execute it.

All this must be documented somewhere. Where can I find the Linux NPU documentation?

I already know where to find the Android AI documentation. But I am looking for the Linux NPU documentation which is on a lower level.

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  • I don't think what you are asking for actually exists. Commented Feb 5, 2023 at 22:03
  • I.e. what indication do you have this is actually a standardized Linux subsystem and not just some random device hanging of some bus, probably AMBA, which Linux has essentially nothing to do with but maybe setting up a memory mapping? Commented Feb 5, 2023 at 22:15
  • @MarcusMüller Ok so there is no such Linux API and it must be an proprietary API on the Galaxy S10. Thank you for your help. Commented Feb 6, 2023 at 8:05

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