Huawei looks set to launch a new server chip with HBM technology to challenge Xeon and Epyc; yes, that's the same memory powering AI GPUs from Nvidia and AMD

Date:
Wed, 18 Dec 2024 18:32:00 +0000

Description:
Huawei could be set to launch new server chip with HBM technology to
challenge Xeon and Epyc.

FULL STORY ======================================================================Huawei may be adding HBM support to Kunpeng SoC Clues hint at a replacement for the Kunpeng 920, launched in 2019 New SoC with HBM may target HPC, server market rivals

Huawei engineers have reportedly released new Linux patches to enable driver support for High Bandwidth Memory (HBM) management on the companys ARM-based Kunpeng high-performance SoC.

The Kunpeng 920, which debuted in January 2019 as the companys first server CPU, is a 7nm processor featuring up to 64 cores based on the Armv8.2 architecture. It supports eight DDR4 memory channels and has a thermal design power (TDP) of up to 180W. While these specifications were competitive when first introduced, things have moved on significantly since.

Introducing a new Kunpeng SoC with integrated HBM would align with industry trends as companies seek to boost memory bandwidth and performance in
response to increasingly demanding workloads. It could also signal Huaweis efforts to maintain competitiveness in the HPC and server markets dominated
by Intel Xeon and AMD EPYC. No official announcement... yet

Phoronix s Michael Larabel notes that Huawei has not yet formally announced
a new Kunpeng SoC (with or without HBM), and references to it are sparse. Kernel patches, however, have previously indicated work on integrating HBM into the platform.

The latest patches specifically address power control for HBM devices on the Kunpeng SoC, introducing the ability to power on or off HBM caches depending on workload requirements.

The patch series includes detailed descriptions of this functionality. Huawei explains that HBM offers higher bandwidth but consumes more power. The proposed drivers will allow users to manage HBM power consumption, optimizing energy use for workloads that do not require high memory bandwidth.

The patches also introduce a driver for HBM cache, enabling user-space
control over this feature. By using HBM as a cache, operating systems can leverage its bandwidth benefits without needing direct awareness of the
caches presence. When workloads are less demanding, the cache can be powered down to save energy.

While we don't have any concrete details on future Kunpeng SoCs, integrating HBM could potentially allow them compete more effectively against other ARM-based server processors, as well as Intels latest Xeon and AMD EPYC offerings. You might also like US sanctions allow Huawei 'case-by-case'
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Link to news story: https://www.techradar.com/pro/huawei-looks-set-to-launch-a-new-server-chip-wit h-hbm-technology-to-challenge-xeon-and-epyc-yes-thats-the-same-memory-powering -ai-gpus-from-nvidia-and-amd-that-sell-like-hot-cakes


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