[Rcpp-devel] Question on performance

Dirk Eddelbuettel edd at debian.org
Sat Sep 22 19:31:51 CEST 2018


On 22 September 2018 at 19:15, Iñaki Ucar wrote:
| FYI, you can find the code here:
| 
| https://github.com/jesusfv/Comparison-Programming-Languages-Economics

Nice catch!

Have not had time to look.  Any volunteers willing to dive in, ie fork or
clone the thing and clean up?  Happy to help.

Dirk
 
| 
| El sáb., 22 sept. 2018 a las 15:11, Dirk Eddelbuettel
| (<edd at debian.org>) escribió:
| >
| >
| > Jordi,
| >
| > On 22 September 2018 at 09:18, Georgi Boshnakov wrote:
| > | I don’t see any code going with the revised version, but
| > | looking at the code coming with the original paper, see  http://economics.sas.upenn.edu/~jesusfv/RBC_codes.zip,
| > | the following points come up:
| >
| > All excellent points.  Jordi, you should ask for the code.  It really sounds
| > like something done either naively, or with a goal in mind.  "Rcpp code is
| > C++ code" so any "N times" is silly -- setup costs, extra copies, ... etc pp.
| >
| > We may of course copy at the end from, say, bespoke C++ data structures to
| > ours.  But for any non-trivial example the cost of that will be well under, say, 1%
| > while still getting a "many times" speedup over alternative R solutions.  So
| > a win for most people.  Hence 1444 packages on CRAN using it. Those people
| > aren't all fools ...
| >
| > Dirk
| >
| > --
| > http://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org
| > _______________________________________________
| > Rcpp-devel mailing list
| > Rcpp-devel at lists.r-forge.r-project.org
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| 
| 
| 
| -- 
| Iñaki Ucar

-- 
http://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org


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