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Proceedings of the 22nd International Conference on Parallel Architectures and Compilation Techniques (2005)
St. Louis, Missouri
Sept. 17, 2005 to Sept. 21, 2005
ISSN: 1089-795X
ISBN: 0-7695-2429-X
pp: 303-314
Andreas Moshovos , Electrical and Computer Engineering University of Toronto
Alexandros Kostopoulos , Department of Informatics and Telecommunications University of Athens
<p>We propose a checkpoint store compression method for coarse-grain giga-scale checkpoint/restore. This mechanism can be useful for debugging, post-mortem analysis and error recovery. Our compression method exploits value locality in the memory data and address streams. Our compressors require few resources, can be easily pipelined and can process a full cache block per processor cycle. We study two applications of our compressors for post-mortem analysis: (1) Using them alone, and (2) using them in-series with a dictionary-based compressor. When used alone they offer competitive compression rates in most cases. When combined with dictionary compressors, they significantly reducing onchip buffer requirements.</p>

A. Kostopoulos and A. Moshovos, "Memory State Compressors for Giga-Scale Checkpoint/Restore," PACT 2005. 14th International Conference on Parallel Architectures and Compilation Techniques(PACT), St. Louis, MO, USA, 2005, pp. 303-314.
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