Important Takeaways:

• In a remarkable advancement for artificial intelligence (AI) technology, researchers from Beijing have introduced the world’s first fully optical AI chip, known as Taichi-II.
• This innovative chip has set new standards in energy efficiency, surpassing NVIDIA’s renowned H100 GPU by a significant margin.
  • Fully Optical: Unlike traditional chips that rely on electronic signals, Taichi-II operates entirely on light, leading to significantly reduced energy consumption.
  • Energy Efficiency: The chip boasts a remarkable six orders of magnitude improvement in energy efficiency compared to conventional methods in low-light imaging scenarios.
  • Performance: In addition to energy efficiency, Taichi-II has shown a 40% accuracy boost in classification tasks compared to NVIDIA’s H100.
  • FFM Learning: The chip utilizes a novel training method called Fully Forward Mode (FFM) learning, enabling parallel processing directly on the optical chip.
• The FFM learning method leverages high-speed optical modulators and detectors, offering performance that could potentially surpass GPUs in accelerated learning scenarios. This technology shifts optical computing from theoretical to practical, large-scale applications, opening new possibilities for AI.

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