Performance of hardware compressed main memory

A new memory subsystem called Memory Expansion Technology (MXT) has been built for compressing main memory contents. MXT effectively doubles the physically available memory. This paper provides an analysis of the performance impact of memory compression using the SPEC2000 benchmarks and a database b...

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Bibliographic Details
Published inProceedings HPCA Seventh International Symposium on High-Performance Computer Architecture pp. 73 - 81
Main Authors Abali, B., Franke, H., Xiaowei Shen, Poff, D.E., Smith, T.B.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2001
Subjects
Application software
Bandwidth
Costs
Data compression
Hardware
Linux
Operating systems
Performance analysis
Web server
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Summary:A new memory subsystem called Memory Expansion Technology (MXT) has been built for compressing main memory contents. MXT effectively doubles the physically available memory. This paper provides an analysis of the performance impact of memory compression using the SPEC2000 benchmarks and a database benchmark. Results show that the hardware compression of memory has a negligible performance penalty compared to a standard memory. We also show that many applications' memory contents can be compressed usually by a factor of two to one. We demonstrate this using industry benchmarks, web server benchmarks, and contents of popular web sites.
ISBN:0769510191
9780769510194
ISSN:1530-0897
2378-203X
DOI:10.1109/HPCA.2001.903253