Archive for January, 2014

New version of pqR, now with task merging

 
I’ve now released pqR-2013-12-29, a new version of my speedier implementation of R.  There’s a new website, pqR-project.org, as well, and a new logo, seen here.

The big improvement in this version is that vector operations are sped up using task merging.

With task merging, several arithmetic operations on a vector may be merged into a single operation, reducing the time spent on memory stores and fetches of intermediate results. I was inspired to add task merging to pqR by Renjin and Riposte (see my post here and the subsequent discussion). (more…)

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2014-01-01 at 10:11 pm 4 comments

Netherlands Centennial Carillon, Victoria, BC

10-carillon-blog-small (more…)

2014-01-01 at 10:11 pm Leave a comment


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