Tensor-Level Inference Scheduling on Consumer Devices
pmttyji · reddit · 2026-07-20
This paper introduces ATSInfer, a hybrid CPU-GPU inference system designed for consumer devices. The authors note that existing offloading solutions mostly operate at the layer or expert level, failing to handle the heterogeneity of different tensors within the same layer or adapt to changing device workloads. ATSInfer utilizes **tensor-granularity offloading**, combining static tensor placement, load-aware dynamic transfers, and asynchronous CPU-GPU coordination to allocate storage, data movement, and computation more efficiently on laptops and desktops. Experiments show: - prefill throughput increased by up to **1.94×** - decode throughput increased by up to **3.29×** - Improved GPU utilization and better use of PCIe bandwidth The authors conclude that this design significantly enhances the local LLM deployment experience on personal devices.
Related event: ATSInfer Boosts Local LLM Inference Speed(2 posts)→
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