Parallel contingency statistics with Titan.

[摘要] This report summarizes existing statistical engines in VTK/Titan and presents the recently parallelized contingency statistics engine. It is a sequel to [PT08] and [BPRT09] which studied the parallel descriptive, correlative, multi-correlative, and principal component analysis engines. The ease of use of this new parallel engines is illustrated by the means of C++ code snippets. Furthermore, this report justifies the design of these engines with parallel scalability in mind; however, the very nature of contingency tables prevent this new engine from exhibiting optimal parallel speed-up as the aforementioned engines do. This report therefore discusses the design trade-offs we made and study performance with up to 200 processors.

[发布日期] 2009-09-01

[学科分类] 数学（综合）

[关键词] V CODES;T CODES;PERFORMANCE;STATISTICS;PARALLEL PROCESSING;COMPUTER CALCULATIONS