Programmable Logic


Lattice releases new version of sensAI

23 June 2021 Programmable Logic Design Automation

New enhancements have been made to Lattice Semiconductor’s award-winning sensAI solution stack for accelerating AI/ML (artificial intelligence/machine learning) application development on low-power Lattice FPGAs. Enhancements include support for the Lattice Propel design environment for embedded processor-based development and the TensorFlow Lite deep-learning framework for on-device inferencing.

The new version includes the Lattice sensAI Studio design environment for end-to-end ML model training, validation and compilation. With sensAI 4.0, developers can use a simple drag-and-drop interface to build FPGA designs with a RISC-V processor and a CNN (convolutional neural network) acceleration engine to enable the quick and easy implementation of ML applications on power-constrained edge devices.

There is growing demand in multiple end markets to add support for low-power AI/ML inferencing for applications like object detection and classification. AI/ML models can be trained to support applications for a range of devices that require low-power operation at the edge, including security and surveillance cameras, industrial robots and consumer robotics and toys. The Lattice sensAI solution stack helps developers rapidly create AI/ML applications that run on flexible, low-power Lattice FPGAs.

Enhancements to the Lattice sensAI solution stack 4.0 include:

• TensorFlow Lite – support for the framework reduces power consumption and increases data co-processing performance in AI/ML inferencing applications. TensorFlow Lite runs anywhere from two to 10 times faster on a Lattice FPGA than it does on an ARM Cortex-M4-based MCU.

• Lattice Propel – the stack supports the Propel environment’s GUI and command-line tools to create, analyse, compile and debug both the hardware and software design of an FPGA-based processor system. Even developers unfamiliar with FPGA design can use the tool’s easy-to-use, drag-and-drop interface to create AI/ML applications on low-power Lattice FPGAs with support for RISC-V-based co-processing.

• Lattice sensAI Studio – a GUI-based tool for training, validating and compiling ML models optimised for Lattice FPGAs. The tool makes it easy to take advantage of transfer learning to deploy ML models.

• Improved performance – by leveraging advances in ML model compression and pruning, sensAI 4.0 can support image processing at 60 fps with QVGA resolution or 30 fps with VGA resolution.


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