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SiPearl teams for 6nm HPC chip

Technology News |
By Nick Flaherty


French chip designer SiPearl has teamed with Open-Silicon Research (OSR) in India to develop a 6nm ARM chip for embedded high performance computing (HPC) in 2.5D packaging.

The chip, called Rhea, will be based on 64 ARM cores with over 30bn transistors and will be built on TSMC’s 6nm process. This will use the Value Chain Aggregator (VCA) programme through OSR’s US parent company, OpenFive, which is the open IP subsidiary of RISC-V chip developer SiFive. SiPearl already has a license from ARM to use the Neoverse V1 core, codenamed Zeus, and will use this for Rhea.

The SoC design will also use some RISC-V elements along with OSR’s High Bandwidth Memory (HBM2E) IP subsystem, die-to-die (D2D) interconnect and HBM memory die in a single 2.5D advanced package. However, the SoC is expected to ship in Q4, 2022, so there is a long way to go with the design and integration.

The multi-year joint collaboration with OSR will expand the range of HPC designs, using OSR’s deep-submicron physical design implementation, advanced 2.5D packaging and global supply chain management.

The SoC is aimed at HPC applications using artificial intelligence (AI) such as autonomous driving, facial recognition and genomics that generate vast amounts of data.

Open-Silicon Research will also contribute leading-edge deep-submicron physical design methodology that will make it possible to efficiently implement the 6nm SoC die with advanced 2.5D packaging expertise to manage the very high thermal dissipation, and supply chain experience to ensure a smooth ramp up to volume production.

“We highly regard our partnership with Open-Silicon Research, and we’re excited to utilize the company’s experience implementing very large deep-submicron custom silicon designs, together with their global supply chain management track record shipping production volumes, to deliver this highly complex 6nm SoC solution with differentiated HBM2E IP in a highly advanced 2.5D package,” said Philippe Notton, Founder of SiPearl. “We are confident that this partnership will enable vast opportunities to develop new HPC applications with our mutual customers.”

“SiPearl is a global leader in HPC, and we’re extremely proud to be partnering with them in the development of this next-generation SoC solution,” said Huzefa Cutlerywala, Vice President of International Sales and Managing Director of Open-Silicon Research in India. “This initiative leverages the collaborative advanced silicon expertise of both companies and will greatly advance the adoption of custom SoCs in sub-6nm process nodes, with 2.5D packaging and unleash the very high memory throughputs needed for HPC applications.”

SiPearl is already heavily involved in European HPC chip design projects such as the European Processor Initiative (EPI) project, designing the high-performance, low-power microprocessor for the European exascale supercomputer. It is also a member of the Mont-Blanc 2020 consortium to equip Europe with a dedicated modular and energy-efficient high performance computing microprocessor, and is a member of the PlayFrance.Digital collective.

www.sipearl.com; www.openfive.com

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