branch:

+-------------+------------+------------+------------+------------+
|    Test     |   Private  |   Virtual  |  Resident  |   Shared   |
+-------------+------------+------------+------------+------------+
| #1 (Before) |  18.34 MiB | 973.30 MiB |  55.32 MiB |  36.98 MiB |
+-------------+------------+------------+------------+------------+
| #1 (After)  |  94.32 MiB |   1.01 GiB | 132.51 MiB |  38.19 MiB |
+-------------+------------+------------+------------+------------+
| #2 (Before) |  99.70 MiB |   1.02 GiB | 137.96 MiB |  38.26 MiB |
+-------------+------------+------------+------------+------------+
| #2 (After)  | 101.74 MiB |   1.02 GiB | 140.09 MiB |  38.35 MiB |
+-------------+------------+------------+------------+------------+
| #3 (Before) | 107.73 MiB |   1.03 GiB | 146.08 MiB |  38.35 MiB |
+-------------+------------+------------+------------+------------+
| #3 (After)  | 108.21 MiB |   1.03 GiB | 146.54 MiB |  38.33 MiB |
+-------------+------------+------------+------------+------------+
| #4 (Before) | 113.88 MiB |   1.03 GiB | 152.27 MiB |  38.39 MiB |
+-------------+------------+------------+------------+------------+
| #4 (After)  | 114.33 MiB |   1.03 GiB | 152.71 MiB |  38.39 MiB |
+-------------+------------+------------+------------+------------+

trunk:

+-------------+------------+------------+------------+------------+
| #1 (Before) |  18.32 MiB | 909.24 MiB |  55.42 MiB |  37.10 MiB |
+-------------+------------+------------+------------+------------+
| #1 (After)  | 443.09 MiB |   1.28 GiB | 481.36 MiB |  38.27 MiB |
+-------------+------------+------------+------------+------------+
| #2 (Before) | 458.68 MiB |   1.28 GiB | 496.99 MiB |  38.31 MiB |
+-------------+------------+------------+------------+------------+
| #2 (After)  | 683.37 MiB |   1.53 GiB | 721.68 MiB |  38.31 MiB |
+-------------+------------+------------+------------+------------+
| #3 (Before) | 688.97 MiB |   1.54 GiB | 727.29 MiB |  38.31 MiB |
+-------------+------------+------------+------------+------------+
| #3 (After)  | 900.51 MiB |   1.72 GiB | 938.89 MiB |  38.38 MiB |
+-------------+------------+------------+------------+------------+
| #4 (Before) | 906.41 MiB |   1.73 GiB | 944.79 MiB |  38.38 MiB |
+-------------+------------+------------+------------+------------+
| #4 (After)  |   1.09 GiB |   1.92 GiB |   1.13 GiB |  38.41 MiB |
+-------------+------------+------------+------------+------------+