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Alphawave Semi develops ARM Neoverse N3 chiplet

Alphawave Semi develops ARM Neoverse N3 chiplet

Business news |
By Nick Flaherty



Alphawave Semi is developing a compute chiplet using the ARM Neoverse N3 Compute SubSystem (CSS) for high performance AI computing.

The move to producing a chiplet is a key step away from the IP business as Alphawave and follows the acquisition of RISC-V developer SiFive.

The chiplet-based custom silicon design platform taps into the IP with IO extension chiplets, memory chiplets, and compute chiplets, as well as Alphawave Semi’s PCI Express 6.0 and 7.0 connectivity IP and advanced packaging capabilities.

The compute chiplet is based around the mid-range Neoverse N3 CPU core cluster and the ARM Coherent Mesh Network (CMN) and will be available on ‘industry-leading’ process nodes.

Alphawave Semi is using its packaging techniques and PCIe Gen 6.0 and 7.0, Universal Chiplet Express (UCIe), 112/224G Ethernet and HBM subsystems. This strategic integration ensures that the ARM-based compute chiplet delivers robust performance and flexibility balanced with the high speed I/O for HPC, data centre, AI/ML, and 5G/6G infrastructure implementation.

“Our ARM-based compute chiplet is a critical component in Alphawave Semi’s custom silicon platform and a demonstration of both our IP, SoC and packaging capabilities and our successful strategic partnership with Arm,” says Mohit Gupta, Senior VP & GM, Custom Silicon & IP. Alphawave Semi. “Bringing together the Arm Neoverse CSS platform with Alphawave Semi’s advanced and proven IP drives innovation across the chiplet ecosystem and simplifies the development of critical custom silicon for AI, HPC and other demanding digital infrastructure applications.”

Alphawave Semi joined the ARM Total Design programme last year. “ARM Total Design is fostering a rapidly growing ecosystem around custom silicon and enabling chiplet innovations to take on increasingly complex computing requirements,” said Eddie Ramirez, vice president of go-to-market, Infrastructure Line of Business at ARM.

“Alphawave Semi’s new advanced compute chiplet is a fantastic example of how industry-leading companies are leveraging the performance-optimization and power efficiency benefits of Neoverse CSS to get to market faster and power the next-generation AI and HPC workloads.”

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