False Sharing and its Effect on Shared Memory Performance Export

@inproceedings{citeulike:2792244, abstract = {False sharing occurs when processors in a shared-memory parallel system make references to different data objects within the same coherence block (cache line or page), thereby inducing \"unnecessary\" coherence operations. False sharing is widely believed to be a serious problem for parallel program performance, but a precise definition and quantification of the problem has proven to be elusive. We explain why. In the process, we present a variety of possible definitions for false sharing, and...}, author = {Bolosky, William J. and Scott, Michael L.}, booktitle = {Proceedings of the USENIX SEDMS IV Conference}, citeulike-article-id = {2792244}, citeulike-linkout-0 = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.17.3255}, keywords = {cache, cache\_coherence, falsesharing, multiproc, smp}, posted-at = {2008-05-13 03:14:16}, priority = {2}, title = {False Sharing and its Effect on Shared Memory Performance}, url = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.17.3255}, year = {1993} }

TY - CONF ID - citeulike:2792244 L3 - citeulike-article-id:2792244 N2 - False sharing occurs when processors in a shared-memory parallel system make references to different data objects within the same coherence block (cache line or page), thereby inducing "unnecessary" coherence operations. False sharing is widely believed to be a serious problem for parallel program performance, but a precise definition and quantification of the problem has proven to be elusive. We explain why. In the process, we present a variety of possible definitions for false sharing, and... TI - False Sharing and its Effect on Shared Memory Performance T2 - Proceedings of the USENIX SEDMS IV Conference KW - cache KW - cache_coherence KW - falsesharing KW - multiproc KW - smp AU - Bolosky, William AU - Scott, Michael PY - 1993/// UR - http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.17.3255 ER -