False Sharing ans Spatial Locality in Multiprocessor Caches

  title={False Sharing ans Spatial Locality in Multiprocessor Caches},
  author={Josep Torrellas and Monica S. Lam and John L. Hennessy},
  journal={IEEE Trans. Computers},
The performance of the data cache in sharedmemory multiprocessors has been shown to be different from that in uniprocessors. In particular, cache miss rates in multiprocessors do not show the sharp drop typical of uniprocessors when the size of the cache block increases. The resulting high cache miss rate is a cause of concern, since it can significantly limit the performance of multiprocessors. Some researchers have speculated that this effect is due to false sharing, the coherence… CONTINUE READING
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John Hennessy (S’72-M’77-SM’89-F’91) is a Professor of Electrical Engineering and Computer Science at Stanford University

  • Dr. Lam received an NSF Young Investigator Award in
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Josep Torrellas (S’87-M’90-S’91-M’92) received the B.S. degree from the Universitat Politecnica de Catalunya in 1986, the M.S. degree from the University of Wisconsin-Madison

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