Computer Science > Hardware Architecture
arXiv:2603.08726 (cs)
[Submitted on 18 Feb 2026]
Title:Data-Rate-Aware High-Speed CNN Inference on FPGAs
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Abstract:Dataflow-based CNN accelerators on FPGAs achieve low latency and high throughput by mapping computations of each layer directly to corresponding hardware units. However, layers such as pooling and strided convolutions reduce the data at their output with respect to their input, strongly effecting the data rate of the following layers. This leads to underutilization in fully unrolled designs. While prior work introduced data-rate-aware layer-wise adaptation, determining the most efficient implementation remains challenging.
This paper presents a data-rate-aware CNN accelerator architecture for multi-pixel processing. Building on existing analytical models, the proposed method performs design-space exploration to identify configurations that improve hardware utilization and resource efficiency while preserving continuous flow of data, keeping all hardware units busy. Experimental results show substantial reductions in arithmetic resources compared to previous designs, enabling efficient implementation of complex CNNs on a single FPGA across a wide range of data rates.
| Subjects: | Hardware Architecture (cs.AR); Machine Learning (cs.LG) |
| Cite as: | arXiv:2603.08726 [cs.AR] |
| (or arXiv:2603.08726v1 [cs.AR] for this version) | |
| https://doi.org/10.48550/arXiv.2603.08726
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View a PDF of the paper titled Data-Rate-Aware High-Speed CNN Inference on FPGAs, by Tobias Habermann and 1 other authors
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