Giga-cache: a high performance optoelectronic memory architecture

Paul Lukowicz

doi:10.1117/12.409219

17 November 2000 Giga-cache: a high performance optoelectronic memory architecture

Paul Lukowicz

Proceedings Volume 4109, Critical Technologies for the Future of Computing; (2000) https://doi.org/10.1117/12.409219
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

High memory latency is among the most critical performance factors in today's computers. To a degree it can be attributed to the high cost of fast (but low density) SRAM memory compared to slow (but high density) DRAM components. However the most important factor is the increase in access time in large memory systems caused by the communication latency. The paper describes how optical interconnections with a simple, regular topology and a modest number of optical IOs could be used to implement a memory system with a capacity of up to 1 GByte and a latency on the order of magnitude of a second level cache. The system relies on the direct integration of optical IOs on top of VLSI circuits which allows the processor to have direct, low latency, high bandwidth interconnection with hundreds of components.

Citation Download Citation

Paul Lukowicz "Giga-cache: a high performance optoelectronic memory architecture", Proc. SPIE 4109, Critical Technologies for the Future of Computing, (17 November 2000); https://doi.org/10.1117/12.409219

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