The newest AI boom pitch: Host a mini data center at your home

Such a distributed computing network means that “computation for AI inference must be distributed at the ‘edge’, deployed on small platforms close to population centers and users,” said Benjamin Lee, a computer architect and engineer at the University of Pennsylvania, in correspondence with Ars. “The strategy can have much less impact on the grid because inference requires a few GPUs, unlike training which requires thousands of people working together,” he said.

However, AI inference tasks can be as diverse as document question-answering, software code generation, and multi-turn conversations — each with different computational requirements and performance expectations, Lee cautioned. It will therefore be important to ensure that individual compute nodes can provide the performance required for each task while maintaining network connectivity between nodes.

Lee also questioned whether it was necessary to reduce the size of data centers to “the granularity of a few GPUs” to reduce their burden on the power grid. He speculated that deploying traditional 20-MW data centers instead of 1-Gigawatt hyperscale data centers could prove similarly beneficial.

Then there is the issue of security. XFRA nodes spread across suburbs may be more vulnerable to certain data security threats than centralized data centers. “Many side-channel attacks require physical proximity to a machine, which data centers can protect against,” Lee said. “It is more difficult to protect distributed GPUs in individual homes.”

Thieves may see homes as well as XFRA nodes as an attractive target, given that each Nvidia GPU can sell for around $10,000. Several comment threads on Reddit have already speculated on that possibility, with some commenters suggesting that they would feel tempted to secure such compute resources for themselves as residents. “Of course, there is a risk of losing the actual hardware due to theft,” Lee said.

Any potential benefits and complications will become more apparent during the pilot deployment phase of SPAN. But at a time when Silicon Valley is currently buzzing about orbital data centers and ocean-going AI data centers, embedded data center nodes in suburbia may stand on more solid ground – at least until homeowner associations get wind of it.