MPU is an optional component for the memory protection. The MPU must be programmed and enabled before using it. If the MPU is not enabled, there is no change in the memory system behavior. And th...

(Cont) Cache Policies Write allocate Cache Policy The write allocate policy dictates that when a write miss occurs (i.e., the data to be written is not currently in the cache), the cache line co...

In this post, we will cover the CACHE on the ARM Cortex-M7 series. Modern embedded systems performance and efficiency are critical factors. Of course, one of these key components that significantl...

nbinfo is a command-line tool for analyzing NBG model files on the PC, running on the X86 Linux platform. The analysis provided by nbinfo for NBG models includes: Model input/output informatio...

When working over SSH, one of the most frustrating experiences is a dropped connection killing a long-running process. tmux (terminal multiplexer) solves this - and much more. It lets you run per...

ACUITY Quantitative Accuracy Optimization When quantizing with ACUITY, the model accuracy is slightly lost, but if the accuracy loss is too large and does not meet the needs of the current project...

vpm_run is a VIPLite-driven tool for rapid validation of NPU model files on the Allwinner T527 board side. vpm_run serves as a common model running environment to run any NBG model file that is...

This guide walks through the full ACUITY Toolkit workflow using MobileNetV2 (Keras format) as an example: parsing, quantizing, and compiling the model, generating project code, simulating with the ...

The ACUITY Toolkit runs inside a Docker container on an x86 PC. This guide covers installing Docker on Ubuntu and setting up the ACUITY environment for Allwinner T527 / A733 NPU development. 1. ...

The Allwinner T527 / A733 SoC is equipped with the Vivante VIP9000 series NPU. The Vivante Machine Learning SDK is a powerful toolkit that helps developers deploy and accelerate AI inference tasks ...