C/C++ API for NPU

#1

Currently the NPU SDK consists of Python code for interfacing with the NPU, which we need to get from behind a registration wall via CIX.

In the “NPU SDK User Guide.pdf” document it talks about a C/C++ API for the NPU in section 6.3.

I emailed CIX asking about a C/C++ API for the NPU two weeks ago but did not receive a reply, so I am writing this here for Radxa team to ask CIX about the following;

  1. How can we get access to the C/C++ API for the NPU?

  2. Do they have plans to eventually make the NPU API/SDK’s publicly available on Github for example (like Rockchip do) so we don’t need to go through a registration wall?

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#2

The “World’s First Open Source Arm V9 Motherboard” have another closed source component?

How sweet.

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#3

I found the C APIs descriptions described in the NPU SDK User Guide.pdf.
:nerd_face:
And, I have managed to get the C APIs run with resnet_50 finally following the doc!

#4

My O6 has not arrived yet, so I am gathering the details in preparation.

Where did you get the C header files from?

Also are you able to share your work you did with ResNet?

#5

Sorry to butt in but it’s quite boring how most of your posts are moaning about how not open source the board is. Yes, we know this already, chill out

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#6

didn’t you want to step away from the orion until Q4 25?

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#7

The header files are under /usr/share/cix/include/npu/ in the rootfs.
And there are also many other xPU header files under /usr/share/cix/include.

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#8

If you have not grasped the industry paradigm regarding this stuff you need to step back and do an analysis of what is going on.

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#9

So the conclusion I take for me that he is p1ssing off everyone here and not just “contributing reasonable doubt” everywhere he can? Good, cleared that up then.
… unicorn … Mars … Wednesdays

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#10

the O6 is using armchina’s NPU, the driver is opensource, you can access to the C API by
the opensource UMD https://github.com/Arm-China/Compass_NPU_Driver.git.

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#11

I received an email from CIX today about their SDK 25 Q1 release. Its nice to see they have added in some C/C++ examples and explain about NPU core and cluster usage.

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