8kb block size, varying lvm2 stripe width from 16kb to 512kb.

kernel 16 kb 32 kb 64 kb 128 kb 256 kb 512 kb
2.6.3 2308.88 2335.33 2348.96 2334.42
2.6.4-mm2 2028.37 2048.08 2074.77 2096.99 2082.82 2078.08
2.6.5-rc1-01-up-to-nfs-08-short_rw 2394.08
2.6.5-rc1-02-up-to-sched-no-cpu-in-rq 2117.55
2.6.5-rc1-03-up-to-correct-unplugs-on-nr_queued 2117.55
2.6.5-rc1-mm2 2113.97 2036.41