[Rd] Patches to speed up R 2.13.0

From: Radford Neal <radford_at_cs.toronto.edu>
Date: Thu, 09 Jun 2011 15:11:20 -0400


I have created a collection of patches to the R 2.13.0 source that speed up many operations substantially. Some of these are related to the patches I posted in September 2010, though often with additional improvements. Other patches are new.

The patches, along with detailed documentation, are available from

  http://www.cs.utoronto.ca/~radford/R-mods-2.13.0.html

For some discussion of these patches and their benefits, see my blog post, at

  http://radfordneal.wordpress.com/2011/06/09/new-patches-to-speed-up-r-2-13-0

I believe that these improvements to the R implementation should be of substantial benefit to the R community. The R core team is welcome to incorporate them into versions of R that they release in the future.

   Radford Neal



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