RISC-V Universe Grows with New GPUs, CPUs, and Development Kits

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More companies continue to leverage RISC-V, a free open source instruction set architecture, to push innovation in GPUs and real-time CPU devices.

www.allaboutcircuits.com, Aug. 28, 2022 – 

As a free and open instruction set architecture (ISA), RISC-V continues to attract new processor developers. More and more companies are taking advantage of the RISC-V open-source instruction set architecture, including GPU- and real-time embedded CPU-based RISC-V offerings.

This article discusses some of RISC-V-based processors and development kits that have emerged in recent months.

Think Silicon's Multithreaded GPU

Announced in June, the parallel multicore and multithreaded GPU, NEOX, is the industry's first RISC-V-based GPU claims its creator Think Silicon. The GPU architecture is built upon the RISC-V RV64C instruction set. The product's architecture features robust ISA extensions, adaptive network on chip (NoC) and SIMD vector in variable length data types.

In addition, the product is configurable in its number of cores and can be set to range from 4 to 64 cores. These are assembled in 1 to 16 cluster elements. Each configurable core operates at a speed of 800 MHz.

The multithreaded graphic processing unit is provided with a software development kit (SDK) which allows developers to integrate the product with a wide range of hardware and software platforms. According to Think Silicon, NEOX fully supports operating systems like Linux and RTOS.

What's more, the smart GPU solution can be adopted in a 32-bit system on chip (SoC) to create applications in video processing, augmented and virtual reality, computer vision and so on. The product's G Series and A Series debuted at the Embedded World 2022 event held at Nuremberg, Germany, in June.

Real-Time Embedded RISC-V CPU

Leveraging the flexibility of RISC-V architecture to make custom processor designs, in June Imagination Technologies introduced its IMG RTXM-2200, the company's first real-time embedded RISC-V-based CPU. The embedded RISC-V-based CPU is a deterministic 32-bit embedded CPU that supports integration with SoCs.

The company claims the device enables efficient and high-performance operation in a wide range of applications including packet management, storage controllers, sensor management for AI cameras, and smart metering.

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