On 3 September 2011 at 10:54, Darren Cook wrote: | Anyway, I extended Christian Gunning's example with a noNA version | [1], then an STL version [2] that uses std::vector, then a C/C++ pointer | version [3]. [4] shows my compiler options (all defaults). | | test replications elapsed relative user.self | bracket 50 5.151 1.001556 5.14 | bracket_cpp 50 5.145 1.000389 5.13 | bracket_noNA 50 5.144 1.000194 5.14 | bracket_stl 50 5.143 1.000000 5.14 | parens 50 44.815 8.713786 44.80 | | | I upped the repetitions to 50 and shutdown a few apps on my computer | during the test run to get better results. The stl version is
That is essentially within measurement error -- I'd declare the first four to be in a tie. And am still stunned that 'parens' is so much slower. Thanks for aggregating this! Dirk -- Two new Rcpp master classes for R and C++ integration scheduled for New York (Sep 24) and San Francisco (Oct 8), more details are at http://dirk.eddelbuettel.com/blog/2011/08/04#rcpp_classes_2011-09_and_2011-10 http://www.revolutionanalytics.com/products/training/public/rcpp-master-class.php _______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
