Here is a set of mid-to-large Graphviz input files (53 to start).
The intent is to help tune dot performance.
All have been annotated by running gvstats.gvpr (https://gist.github.com/steveroush/3aee138b327bd5293983d606b2e8cc04) plus noting if the file contains multiple connected graphs and showing run time from a very constraining command line.
dot_performance_2854_0.gv
dot_performance_4elt.gv
dot_performance_MODusefulexample.gv
dot_performance_b100.gv
dot_performance_b102.gv
dot_performance_b103.gv
dot_performance_b104.gv
dot_performance_badvoro.gv
dot_performance_bevy.gv
dot_performance_broken.gv
dot_performance_candidate.gv
dot_performance_clusterHighDegreeTest1.gv
dot_performance_clusterHighDegreeTest2.gv
dot_performance_clusterHighDegreeTest3.gv
dot_performance_clusterHighDegreeTest4.gv
dot_performance_clusterHighDegreeTest5.gv
dot_performance_clusterHighDegreeTest6.gv
dot_performance_clusterHighDegreeTest7.gv
dot_performance_forum2740_0.gv
dot_performance_fred0.gv
dot_performance_fromTwitter.gv
dot_performance_ftzz.gv
dot_performance_go_parser.gv
dot_performance_graph_simplex_1.gv
dot_performance_icfg_final.gv
dot_performance_issue1172_0.gv
dot_performance_issue1569_0.gv
dot_performance_issue1652_0.gv
dot_performance_issue1864_0.gv
dot_performance_issue1864_0_shorter.gv
dot_performance_issue2064_0.gv
dot_performance_issue2064_10.gv
dot_performance_issue2088_0_Dot.gv
dot_performance_issue2095_0.gv
dot_performance_issue2108_0.gv
dot_performance_issue2222b_0.gv
dot_performance_issue2621_0.gv
dot_performance_issue456_0.gv
dot_performance_junko.gv
dot_performance_networkmap_Dot.gv
dot_performance_ns.gv
dot_performance_oneNode519Edges.gv
dot_performance_rearrange0.gv
dot_performance_regressionTest_2646.gv
dot_performance_repro0.gv
dot_performance_root.gv
dot_performance_shorterGraph1.gv
dot_performance_tests1172_1.gv
dot_performance_universe.gv
dot_performance_usefulexample.gv
dot_performance_veryWide0.gv
dot_performance_view.gv
dot_performance_world.gv