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Bulk synchronous parallel
The Bulk Synchronous Parallel (BSP) abstract computer is a bridging model for designing parallel algorithms. It serves a purpose similar to the Parallel Random Access Machine (PRAM) model. BSP differs from PRAM by not taking communication and synchronization for granted. An important part of analyzing a BSP algorithm rests on quantifying the synchronization and communication needed.
==History==
The BSP model was developed by Leslie Valiant of Harvard University during the 1980s. The definitive article〔Leslie G. Valiant, A bridging model for parallel computation, Communications of the ACM, Volume 33 Issue 8, Aug. 1990 ()〕 was published in 1990.
Between 1990 and 1992, Leslie Valiant and Bill McColl of Oxford University worked on ideas for a distributed memory BSP programming model, in Princeton and at Harvard. Between 1992 and 1997, McColl led a large research team at Oxford that developed various BSP programming libraries, languages and tools, and also numerous massively parallel BSP algorithms. With interest and momentum growing, McColl then led a group from Oxford, Harvard, Florida, Princeton, Bell Labs, Columbia and Utrecht that developed and published the BSPlib Standard for BSP programming in 1996.
Valiant developed an extension to the BSP model in the 2000s, leading to the publication of the Multi-BSP model〔Valiant, L. G. (2011). A bridging model for multi-core computing. Journal of Computer and System Sciences, 77(1), 154-166 ()〕 in 2011.
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