Thanks all, for your help. I will turn to the igraph lists. Robin Cowan
> On 14 Dec 2018, at 15:26, Ista Zahn <istaz...@gmail.com> wrote: > > The igraph slowdown is known, and discussed in several places, including > > https://github.com/igraph/rigraph/issues/166 > https://lists.nongnu.org/archive/html/igraph-help/2015-06/msg00067.html > https://github.com/igraph/rigraph/issues/194 > > --Ista > On Fri, Dec 14, 2018 at 6:41 AM Martin Maechler > <maech...@stat.math.ethz.ch> wrote: >> >>>>>>> Ista Zahn >>>>>>> on Fri, 14 Dec 2018 05:58:25 -0500 writes: >> >>> This isn't Mac specific (I can reproduce it in Linux). Switching the >>> igraph from version from 1.2.2 (slow) to 0.7.1 (fast) is enough, so >>> this also has nothing to do with R itself. This should be reported to >>> https://igraph.org/r/, either on the mailing list, bug tracker, or >>> both. >> >>> Best, >>> Ista >> >> Indeed (on Linux, too) >> >> A much shorter (and 5x faster running) version of the repr.ex. >> R script is appended (it uses specific .libPaths() to get the >> correct version if igraph). >> >> Martin >> _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac