Microsoft patent explores using spare PC GPU capacity for AI training

Microsoft has been granted a patent describing a system that could use spare graphics processing capacity on personal computers to train artificial intelligence models. The patent, titled “Opportunistic Micro-training on Edge Devices Using Spare GPU Utilization,” describes splitting training work into small tasks and distributing them among participating PCs.

The system would monitor devices for available computing capacity and assign tasks to PCs with suitable spare GPU and system resources. It would then combine the results and check for errors or manipulation. The patent says users would give consent, but does not specify how they would be compensated; it mentions direct payments or credits as possibilities.

The concept is not an announced product or active program. The report says Microsoft has gaming PCs in mind because they can have powerful GPUs that are lightly used while the computer is sitting at the Windows 11 desktop, though the patent could apply to other devices.

Potential concerns include system monitoring, RAM use, GPU temperature, electricity costs, performance effects and hardware wear. The patent does not establish how those issues would be handled. The report also notes that some online commenters objected to the idea, while others said compensation exceeding electricity costs could make it worthwhile.