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High-speed and low-power electro-optical DSP coprocessor
Dan E Tamir1, Natan T Shaked, Peter J Wilson
1Department of Computer Science, Texas State University, San Marcos, TX 78666, USA. dt19@txstate.edu
Summary
This study introduces a novel electro-optical vector-by-matrix multiplier (VMM) architecture for faster, more efficient digital signal processing (DSP). The new coprocessor offers significant speedups, achieving over 16 teraflops using accessible components.
Area of Science:
- Electrical Engineering
- Computer Architecture
- Optical Computing
Background:
- Existing vector-by-matrix multiplier (VMM) architectures face bottlenecks limiting speed and efficiency.
- Digital Signal Processing (DSP) requires high computational performance, often limited by current hardware.
Purpose of the Study:
- To present a novel, fast, and power-efficient electro-optical VMM architecture.
- To introduce an electro-optical DSP coprocessor based on this architecture.
- To demonstrate the feasibility and performance advantages of the proposed system.
Main Methods:
- Designed an electro-optical VMM architecture with an optimized electrical unit for high-speed data transfer.
- Developed a DSP coprocessor utilizing the new architecture.
- Analyzed performance for primitive DSP operations and specific applications.
Main Results:
- The proposed architecture overcomes previous VMM bottlenecks.
- The electro-optical DSP coprocessor achieves speedups of 2-3 orders of magnitude over existing technologies.
- The system demonstrates a performance exceeding 16 teraflops.
- Implementation is feasible using off-the-shelf components.
Conclusions:
- The novel electro-optical VMM architecture offers a significant advancement in DSP performance.
- The developed DSP coprocessor provides substantial speed and efficiency gains.
- The system's practicality is validated through feasibility analysis and application demonstrations.
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