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13th Euromicro Conference on Parallel, Distributed and Network-Based Processing (PDP'05)
A Comparison Study of the HLRC-DU Protocol versus a HLRC Hardware Assisted Protocol
Lugano, Switzerland
February 09-February 12
ISBN: 0-7695-2280-7
Salvador Petit, Universidad Polit?cnica de Valencia, Spain
Julio Sahuquillo, Universidad Polit?cnica de Valencia, Spain
Ana Pont, Universidad Polit?cnica de Valencia, Spain
SVM systems are a cheaper and flexible way to implement the shared memory programming paradigm. Their huge flexibility is due to their software implementation; however, this is also the main responsible of their performance drawbacks with respect to hardware systems.
In this paper we compare a pure software HLRC protocol called the HLRC-DU, versus an improved version of the HLRC protocol that uses hardware support to reduce asynchronous communication. Performances of both protocols are compared over a baseline HLRC protocol. Results show that, by on the half of the benchmarks, our protocol performs better than the hardware approach, even more, in some cases our protocol reaches a speedup higher than 22% with respect to the baseline protocol.
Index Terms:
Shared Virtual Memory Systems, Memory Consistency Models, Memory Consistency Protocols, Asyncrhonous Communication
Citation:
Salvador Petit, Julio Sahuquillo, Ana Pont, "A Comparison Study of the HLRC-DU Protocol versus a HLRC Hardware Assisted Protocol," pdp, pp.197-204, 13th Euromicro Conference on Parallel, Distributed and Network-Based Processing (PDP'05), 2005
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