diff --git a/README.md b/README.md
index e9921cb2..436c9e07 100644
--- a/README.md
+++ b/README.md
@@ -195,39 +195,39 @@ Timings of the key operations on random geometric graphs, each vertex joined to
 
 | Operation                            | per         |  N=100 | N=1,000 | N=10,000 | growth exponent |
 | :----------------------------------- | :---------- | -----: | ------: | -------: | --------------: |
-| add a vertex                         | µs / vertex |   1.52 |    1.65 |     1.59 |             0.0 |
-| add an edge (cost from the metric)   | µs / edge   |   1.55 |    1.58 |     1.85 |             0.0 |
-| copy the graph                       | ms          |  0.823 |    8.17 |      151 |             1.1 |
-| pickle and unpickle the graph        | ms          |  0.456 |    4.76 |      113 |             1.2 |
-| number of components, after a change | ms          | 0.0292 |   0.319 |     3.86 |             1.1 |
+| add a vertex                         | µs / vertex |   0.83 |   0.877 |    0.896 |             0.0 |
+| add an edge (cost from the metric)   | µs / edge   |   1.54 |    1.64 |     1.72 |             0.0 |
+| copy the graph                       | ms          |  0.819 |    8.36 |      155 |             1.1 |
+| pickle and unpickle the graph        | ms          |  0.462 |    4.87 |     90.4 |             1.1 |
+| number of components, after a change | ms          |   0.03 |   0.338 |     4.09 |             1.1 |
 | number of components, unchanged      | µs          |  0.083 |   0.083 |    0.083 |             0.0 |
-| remove a vertex                      | µs          |   6.19 |    11.6 |     56.5 |             0.5 |
-| closest vertex to a point            | µs / query  |   69.9 |     708 |    7,056 |             1.0 |
-| adjacency matrix                     | ms          |  0.107 |    1.46 |        – |             1.1 |
-| Laplacian matrix                     | ms          |  0.121 |    2.76 |        – |             1.4 |
-| incidence matrix                     | ms          | 0.0565 |    1.44 |        – |             1.4 |
-| path, breadth-first                  | ms / query  |  0.038 |   0.317 |      5.4 |             1.1 |
-| path, uniform cost                   | ms / query  | 0.0822 |   0.806 |     11.7 |             1.1 |
-| path, A*                             | ms / query  | 0.0498 |   0.295 |     2.48 |             0.8 |
+| remove a vertex                      | µs          |   6.67 |      18 |     74.2 |             0.5 |
+| closest vertex to a point            | µs / query  |   73.7 |     734 |    7,069 |             1.0 |
+| adjacency matrix                     | ms          |   0.11 |    1.53 |        – |             1.1 |
+| Laplacian matrix                     | ms          |  0.122 |    2.93 |        – |             1.4 |
+| incidence matrix                     | ms          | 0.0568 |    1.37 |        – |             1.4 |
+| path, breadth-first                  | ms / query  | 0.0385 |    0.32 |     4.77 |             1.0 |
+| path, uniform cost                   | ms / query  | 0.0848 |   0.865 |     10.4 |             1.0 |
+| path, A*                             | ms / query  | 0.0521 |   0.306 |     2.71 |             0.9 |
 
 ### Directed graphs
 
 | Operation                            | per         |  N=100 | N=1,000 | N=10,000 | growth exponent |
 | :----------------------------------- | :---------- | -----: | ------: | -------: | --------------: |
-| add a vertex                         | µs / vertex |   1.53 |    1.58 |     1.59 |             0.0 |
-| add an edge (cost from the metric)   | µs / edge   |   1.56 |    1.64 |     1.84 |             0.0 |
-| copy the graph                       | ms          |   1.12 |    12.1 |      227 |             1.2 |
-| pickle and unpickle the graph        | ms          |  0.573 |    6.58 |      151 |             1.2 |
-| number of components, after a change | ms          | 0.0405 |   0.485 |     5.87 |             1.1 |
+| add a vertex                         | µs / vertex |  0.769 |   0.797 |    0.856 |             0.0 |
+| add an edge (cost from the metric)   | µs / edge   |   1.55 |    1.66 |      1.7 |             0.0 |
+| copy the graph                       | ms          |   1.14 |    12.6 |      215 |             1.1 |
+| pickle and unpickle the graph        | ms          |  0.586 |    6.88 |      169 |             1.2 |
+| number of components, after a change | ms          | 0.0419 |    0.49 |     6.35 |             1.1 |
 | number of components, unchanged      | µs          |  0.083 |   0.083 |    0.083 |             0.0 |
-| remove a vertex                      | µs          |   8.04 |    15.7 |       70 |             0.5 |
-| closest vertex to a point            | µs / query  |   70.2 |     711 |    6,921 |             1.0 |
-| adjacency matrix                     | ms          | 0.0815 |    1.21 |        – |             1.2 |
-| Laplacian matrix                     | ms          | 0.0928 |    2.64 |        – |             1.5 |
-| incidence matrix                     | ms          | 0.0871 |    2.41 |        – |             1.4 |
-| path, breadth-first                  | ms / query  | 0.0225 |   0.386 |     3.87 |             1.1 |
-| path, uniform cost                   | ms / query  | 0.0536 |   0.936 |     8.06 |             1.1 |
-| path, A*                             | ms / query  |  0.046 |   0.721 |     3.68 |             1.0 |
+| remove a vertex                      | µs          |   8.33 |      24 |     74.7 |             0.5 |
+| closest vertex to a point            | µs / query  |   69.4 |     703 |    7,242 |             1.0 |
+| adjacency matrix                     | ms          | 0.0816 |    1.27 |        – |             1.2 |
+| Laplacian matrix                     | ms          |  0.093 |    2.81 |        – |             1.5 |
+| incidence matrix                     | ms          | 0.0885 |    2.23 |        – |             1.4 |
+| path, breadth-first                  | ms / query  | 0.0332 |   0.412 |     4.36 |             1.1 |
+| path, uniform cost                   | ms / query  | 0.0607 |   0.944 |     8.26 |             1.1 |
+| path, A*                             | ms / query  | 0.0487 |   0.728 |     3.57 |             0.9 |
 
 ## History