> On 14 Dec 2018, at 15:20, Gábor Csárdi wrote: > > Well, you'll have to show the code you are running. Gabor > On Fri, Dec 14, 2018 at 2:18 PM Robin Cowan > wrote: >> >> I have a small simulation that creates a network of agents who then play a game on the network. >> I noticed that when I run the simulation under R 3.1.3 igraph 0.7.1 it takes about 4 seconds. >> When I run it using R 3.5.1 with igraph 1.2.2 it takes about 4 minutes. >> >> I use igraph to create a network and then extract neighbourhoods. The neighbourhoods are what is actually used to get the nodes to play the game. >> I re-wrote it to remove igraph from the code — to test whether igraph is the issue, I created a list directly which represented the neighbourhoods. >> With that elimination of igraph (and no other changes) it takes about 4 seconds under R 3.5.1 >> Some of the maintainers on the R list looked and came tot he same conclusion. The problem is with igraph changes between 0,7 and 1.2. >> Has this come to light before? >> >> Thanks, >> Robin Cowan >> >> >> >> _______________________________________________ >> igraph-help mailing list >> address@hidden >> https://lists.nongnu.org/mailman/listinfo/igraph-help > > _______________________________________________ > igraph-help mailing list > address@hidden > https://lists.nongnu.org/mailman/listinfo/igraph-help