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Exploiting Spatial Store Locality through Permission Caching in Software DSMs
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Dator System. (Uppsala Architecture Research Team)
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Dator System. (Uppsala Architecture Research Team)
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Dator System. (Uppsala Architecture Research Team)
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Dator System. (Uppsala Architecture Research Team)
2004 (English)In: Proceedings of the 10th International Euro-Par Conference: Parallel Processing, 2004, 551- p.Conference paper, Published paper (Refereed)
Abstract [en]

Fine-grained software-based distributed shared memory (SW-DSM) systems typically maintain coherence with in-line checking code at load and store operations to shared memory. The instrumentation overhead of this added checking code can be severe. This paper (1) shows that most of the instrumentation overhead in the fine-grained SW-DSM system DSZOOM is store-related, (2) introduces a new write permission cache (WPC) technique that exploits spatial store locality and batches coherence actions at runtime, (3) evaluates WPC and (4) presents WPC results when implemented in a real SW-DSM system. On average, the WPC reduces the store instrumentation overhead in DSZOOM with 42 (67) percent for benchmarks compiled with maximum (minimum) compiler optimizations.

Place, publisher, year, edition, pages
2004. 551- p.
Keyword [en]
write permission cache, software distributed shared memory, computer architecture
National Category
Computer Science
Identifiers
URN: urn:nbn:se:uu:diva-71095ISBN: 3-540-22924-8 (print)OAI: oai:DiVA.org:uu-71095DiVA: diva2:99006
Available from: 2005-05-27 Created: 2005-05-27

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http://www.it.uu.se/research/group/uart/publications/zeffer_2004_aug

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Zeffer, HåkanRadovic, ZoranHagersten, Erik

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