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Embedded Computing Design Article: Western Digital Announces New “Open” Solutions, Including A RISC-V Core

By December 7, 2018May 12th, 2021No Comments

Western Digital (WD) has been one of the most vocal proponents for the RISC-V instruction set architecture (ISA). The company recently took another step toward “putting its money where its mouth is” when it unveiled plans to release a new open-source RISC-V core, an open standard initiative for cache coherent memory over a network, and an open-source RISC-V instruction set simulator. This announcement was made as part of WD CTO Martin Fink’s Keynote Address at the RISC-V Summit in Santa Clara, CA. This is a follow-on to last year’s WD announcement that the company will produce one billion processor cores per year based on RISC-V.
The target applications for the latest Western Digital offerings would be in the Big Data/Fast Data spaces, another name for the coming (and existing) data-centric applications. The core, dubbed SweRV, two-way superscalar device is a 32-bit, nine- stage pipeline core that allows several instructions to be loaded at one time and execute simultaneously, thereby shortening the time taken to run programs. It’s a compact, in-order core and runs at 4.9 CoreMarks/MHz. With a power-efficient design, it offers clock speeds of up to 1.8GHz on a 28-mm CMOS process technology. The company plans to use the SweRV Core in various internal embedded designs, including flash controllers and SSDs.
In an interesting twist, WD is planning to open source its RISC-V SweRV Core. This means that anyone can download the IP and manufacture a microprocessor. Western Digital claims that open sourcing the core will drive development into other data-centric applications, like IoT Edge devices, secure processing, and industrial controls. This move is similar to the recent NXP announcement that NXP made, where the company is producing a development board, the Vega, and selling it to the RISC-V community at a subsidized price. Al in an effort to jump-start the RISC-V ecosystem.
 
To read more, please visit: http://www.embedded-computing.com/iot/western-digital-announces-new-open-solutions-including-a-risc-v-core.

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