HERO: Hardware-Efficient RL-based Optimization Framework for NeRF Quantization
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866917001776070656 |
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| author | Zhang, Yipu Ma, Chaofang Ge, Jinming Jiang, Lin Xu, Jiang Zhang, Wei |
| author_facet | Zhang, Yipu Ma, Chaofang Ge, Jinming Jiang, Lin Xu, Jiang Zhang, Wei |
| contents | Neural Radiance Field (NeRF) has emerged as a promising 3D reconstruction method, delivering high-quality results for AR/VR applications. While quantization methods and hardware accelerators have been proposed to enhance NeRF's computational efficiency, existing approaches face crucial limitations. Current quantization methods operate without considering hardware architecture, resulting in sub-optimal solutions within the vast design space encompassing accuracy, latency, and model size. Additionally, existing NeRF accelerators heavily rely on human experts to explore this design space, making the optimization process time-consuming, inefficient, and unlikely to discover optimal solutions. To address these challenges, we introduce HERO, a reinforcement learning framework performing hardware-aware quantization for NeRF. Our framework integrates a NeRF accelerator simulator to generate real-time hardware feedback, enabling fully automated adaptation to hardware constraints. Experimental results demonstrate that HERO achieves 1.31-1.33 $\times$ better latency, 1.29-1.33 $\times$ improved cost efficiency, and a more compact model size compared to CAQ, a previous state-of-the-art NeRF quantization framework. These results validate our framework's capability to effectively navigate the complex design space between hardware and algorithm requirements, discovering superior quantization policies for NeRF implementation. Code is available at https://github.com/ypzhng/HERO. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_09010 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | HERO: Hardware-Efficient RL-based Optimization Framework for NeRF Quantization Zhang, Yipu Ma, Chaofang Ge, Jinming Jiang, Lin Xu, Jiang Zhang, Wei Hardware Architecture Neural Radiance Field (NeRF) has emerged as a promising 3D reconstruction method, delivering high-quality results for AR/VR applications. While quantization methods and hardware accelerators have been proposed to enhance NeRF's computational efficiency, existing approaches face crucial limitations. Current quantization methods operate without considering hardware architecture, resulting in sub-optimal solutions within the vast design space encompassing accuracy, latency, and model size. Additionally, existing NeRF accelerators heavily rely on human experts to explore this design space, making the optimization process time-consuming, inefficient, and unlikely to discover optimal solutions. To address these challenges, we introduce HERO, a reinforcement learning framework performing hardware-aware quantization for NeRF. Our framework integrates a NeRF accelerator simulator to generate real-time hardware feedback, enabling fully automated adaptation to hardware constraints. Experimental results demonstrate that HERO achieves 1.31-1.33 $\times$ better latency, 1.29-1.33 $\times$ improved cost efficiency, and a more compact model size compared to CAQ, a previous state-of-the-art NeRF quantization framework. These results validate our framework's capability to effectively navigate the complex design space between hardware and algorithm requirements, discovering superior quantization policies for NeRF implementation. Code is available at https://github.com/ypzhng/HERO. |
| title | HERO: Hardware-Efficient RL-based Optimization Framework for NeRF Quantization |
| topic | Hardware Architecture |
| url | https://arxiv.org/abs/2510.09010 |