Ran the batch benches with the new 0.4.4. Here are my results:

25000000 8.074 7573850b0bc23f8e1bee78aaa4354166
50000000 17.922 864abf38181e874d028bf4272c443e26
100000000 37.940 48a784fc35471ec408603601ec00df76
250000000 107.450 647c8e7c845bbb4c1b732a2d71c57923
500000000 234.795 1174e0882e3932251d65f55e6d8c44dc
1000000000 519.458 677f930fa3dcd53514e3e5c8dee7ae59
2500000000 2433.400 8f48e6e52fdfca981d82a0005220b7b7


Guess there's no page-trashing this time.