Meta on Wednesday entered into a partnership with Arm Holdings with the aim of helping its software run more efficiently on the British chip designer's CPUs.

The tie-up signals that Arm will also play a bigger role in the datacenters of Facebook and Instagram's parent company, though not necessarily in the way you might expect. Rather than a custom Arm CPU, like the ones that Microsoft, AWS, and Google designed, Meta tells us the partnership will focus on optimizing the Arm-based silicon that it's already deploying.

Like most hyperscalers and cloud providers, Meta is rolling out large quantities of Arm Neoverse cores across its AI datacenters; they just happen to be part of Nvidia's GB200 or GB300 NVL72 rack systems . Each of these racks is equipped with 72 Blackwell GPUs and 36 of Nvidi

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