Ramdisk IOPS Test

root@62-210-187-19:/home/deltik# ./iops --num_threads 16 --time 2 /dev/ram0
/dev/ram0,  67.11 MB, 1024 threads:
 512   B blocks: 342432.3 IO/s, 167.2 MiB/s (  1.4 Gbit/s)
   1 KiB blocks: 336999.5 IO/s, 329.1 MiB/s (  2.8 Gbit/s)
   2 KiB blocks: 323642.5 IO/s, 632.1 MiB/s (  5.3 Gbit/s)
   4 KiB blocks: 327787.1 IO/s,   1.3 GiB/s ( 10.7 Gbit/s)
   8 KiB blocks: 301942.5 IO/s,   2.3 GiB/s ( 19.8 Gbit/s)
  16 KiB blocks: 303062.7 IO/s,   4.6 GiB/s ( 39.7 Gbit/s)
  32 KiB blocks: 305447.2 IO/s,   9.3 GiB/s ( 80.1 Gbit/s)
  64 KiB blocks: 290882.9 IO/s,  17.8 GiB/s (152.5 Gbit/s)
 128 KiB blocks: 266922.3 IO/s,  32.6 GiB/s (279.9 Gbit/s)
 256 KiB blocks: 245646.3 IO/s,  60.0 GiB/s (515.2 Gbit/s)
 512 KiB blocks: 247067.0 IO/s, 120.6 GiB/s (  1.0 Tbit/s)
   1 MiB blocks: 199641.0 IO/s, 195.0 GiB/s (  1.7 Tbit/s)
   2 MiB blocks: 126056.5 IO/s, 246.2 GiB/s (  2.1 Tbit/s)
   4 MiB blocks: 69236.7 IO/s, 270.5 GiB/s (  2.3 Tbit/s)
   8 MiB blocks: 36673.9 IO/s, 286.5 GiB/s (  2.5 Tbit/s)
  16 MiB blocks: 18758.5 IO/s, 293.1 GiB/s (  2.5 Tbit/s)
  32 MiB blocks: 13195.7 IO/s, 412.4 GiB/s (  3.5 Tbit/s)