The package is available from CRAN, the R project's repository of packages, at http://cran.r-project.org/web/packages/gputools More information about our gputools R package is available at http://brainarray.mbni.med.umich.edu/brainarray/Rgpgpu

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CONVEX ComputerCorp. has developed a language-independent interprocedural optimizer that is now available to users of its C-series supercomputers. This paper documents the benefits of one particular feature of that optiwu"zer, pointer target tracking. This paper surveys the structure of the interprocedural optimizer and the goals of pointer target tracking. It describes the realities of scientific codes that had to be handled, and gives an overview of the algorithms used. It also provides detailed statistics on the opportunities for pointer tracking, the characteristics of pointer ranges, and the bene)ts to optimization of pointer tracking.