Indeed, and since this is a database client, the question is not just the elapsed time of the client code, but the optimisation opportunities need to be viewed as a proportion of the overall request time: client time, network time, typical and minimum database server time.
On Mon, 9 May 2022 at 05:24, Joshua Ulrich <josh.m.ulr...@gmail.com> wrote: > Hi Ben, > > On Sat, May 7, 2022 at 4:24 PM Ben Engbers <ben.engb...@be-logical.nl> > wrote: > > > > Hi, > > > > My package (RBaseX) is written entirely in R. The performance is not bad > > but to further improve the performance I want to investigate to what > > extent use of C++ makes sense. Problem is that I have little experience > > with C++ and none with Rcpp. So I am looking for examples. > > On my (linux) system I installed several packages that needed to be > > compiled. So it is likely that I already have examples on my system. > > > I strongly recommend you profile your code to determine where there > are performance bottlenecks before writing any new code. Especially > before adding compiled code to your package. > > The infamous Knuth quote: > "We should forget about small efficiencies, say about 97% of the time: > premature optimization is the root of all evil. Yet we should not pass > up our opportunities in that critical 3%. A good programmer will not > be lulled into complacency by such reasoning, he will be wise to look > carefully at the critical code; but only after that code has been > identified." > > Best, > Josh > > > My first question is if there is a useful linux command to search all > > the source code of installed packages on my system. > > The second question is if there is a command to search all packages at > > https://cran.r-project.org/web/packages/available_packages_by_name.html? > > > > This question is not only relevant to C++ examples. It would also be > > nice if you could search for occurrences of commands in R code. > > > > Ben > > > > ______________________________________________ > > R-package-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-package-devel > > > > -- > Joshua Ulrich | about.me/joshuaulrich > FOSS Trading | www.fosstrading.com > > ______________________________________________ > R-package-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-package-devel > [[alternative HTML version deleted]] ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
