用于人工智能推断和组合优化的模拟光学计算机
Kirill P Kalinin1, Jannes Gladrow2, Jiaqi Chu2
1Microsoft Research, Cambridge, UK. kkalinin@microsoft.com.
Nature
|September 3, 2025
概括
模拟光学计算机可以加速人工智能 (AI) 和优化任务,而无需耗费大量能源的数字转换. 这种可持续的计算方法提高了复杂的人工智能和优化问题的效率和噪声强度.
科学领域:
- 计算机科学
- 光学工程
- 人工智能
背景情况:
- 数字计算的能源需求挑战了人工智能和优化可持续性.
- 现有的非传统系统通常需要低效的数字转换,并面临硬件和软件的不匹配.
- 模拟噪声是当前模拟计算方法的一个重大挑战.
研究的目的:
- 引入一种新的模拟光学计算机 (AOC) 以加速人工智能推断和组合优化.
- 展示一个超越现有系统局限性的双域计算平台.
- 展示一个可持续和高效的计算解决方案,
主要方法:
- 开发了一台集模电子和3D光学的模拟光学计算机.
- 实施快速固定点搜索以避免数字转换和提高噪声稳定性.
- 共同设计的硬件和用于AI和优化任务的固定点抽象.
主要成果:
- 在一个平台上加速AI推断和组合优化.
- 通过消除数字转换,提高了噪声稳定性和效率.
- 在图像分类,非线性回归,医学图像重建和金融交易结算方面表现出能力.
结论:
- 模拟光学计算机为更快,更可持续的计算提供了一个有前途的途径.
- 对代,计算密集型模型的原生支持使人工智能和优化创新的可扩展模拟平台成为可能.
- 硬件和抽象的共同设计是推进计算技术的关键.
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