Arm announced on Wednesday its next-generation general-purpose CPU cores for data center processors. The new Neoverse V3, Neoverse N3, and Neoverse E3 CPU cores are aimed at high-performance computing (HPC), general-purpose CPU instances and infrastructure applications, and edge computing and low power applications, respectively. Along with the new cores, Arm is also releasing Compute Subsystems (CSS), which consist of CPU cores, memory, I/O, and die-to-die interconnect interfaces to accelerate processor development.
Arm’s Neoverse Compute Subsystems (CSS) are integrated and verified platforms that bring together all the key components needed for the heart of a system on chip (SoC). These subsystems are designed to provide a starting point for building custom solutions, allowing Arm partners to enhance the CSS with their own IP and introduce their designs to the market quickly, as the company expects it to take about nine months from the start of the project to tapeout. A CSS includes the CPU core complex, memory, and I/O interfaces and is optimized for specific use cases in a particular market segment – such as cloud computing, networking, and AI.
By using CSS, partners can focus on system-level differentiation and workload specificity while leveraging Arm’s technology for their underlying computing resources. Meanwhile, Arm’s Neoverse CSS supports Arm Total Design (a package of IPs from 20 Arm partners), as well as Arm’s Chiplet System Architecture (CSA) and UCIe interfaces to stitch a CSS with a compatible third-party silicon.
Neoverse V3
Arm’s Neoverse V3 is the company’s highest-performing CPU core to date. The core is based on the Armv9-A (v9.2) instruction set architecture (ISA) enhanced with SVE2 SIMD extension and equipped with 64 KB + 64 KB L1 cache (instruction + data), as well as 1 MB/2 MB/3 MB L2 cache with ECC capability.
Arm says that depending on the workload, a simulated 32-core Neoverse V3 offers a performance improvement of 9% to 16% compared to a simulated 32-core Neoverse V2 in typical server workloads, which seems quite decent considering that we are talking about cores competing with AMD’s Zen 4 and Intel’s Raptor Cove – and we rarely see large performance increases from generation to generation in this market. The new Neoverse V3 processor can offer an impressive 84% performance improvement over Neoverse V2 in AI data analysis, according to Arm simulations. This is obviously a significant improvement and will attract attention to the core.
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