is there any datasheet or reference about BLAI-100??

[ArpeggioP]

I am trying to use the BL808 for research, and the NPU is crucial for this research. I am searching for a datasheet or block diagram for the BLAI-100 NPU.

Do you have any information about the BLAI-100, specifically regarding its hardware?

[holystone]

@ArpeggioP I bought sipeed M1s mainly for it's NPU. Simulator (blai_toolchain.exe) fails to run my model & have no clue why :). It is a shame they do not provide at least a decent tool to use their NPU, regardless of the datasheet.

[infdivzero]

The M1s sdk has some encoder code for the NPU but the interesting part's a blob; lib/libblai_npu_encoder.a
https://github.com/sipeed/M1s_BL808_SDK/tree/main/components/stage/blai/blai_npu_encoder

[zachary-kaelan]

The reference manual for BL808 has more information, starting at page 653. It has an API reference at least. But it's pretty much guaranteed the hardware is either an ASIC or an FPGA.

[gamelaster]

@zachary-kaelan from where you assume it's FPGA? It's normal IP core in the chip AFAIK.