# fds threads bufsize passes_per_sec
4096 1 12 10920.60
4096 2 12 16571.71
4096 4 12 22424.13
4096 8 12 27341.46
4096 16 12 30614.41
4096 32 12 31466.73
4096 64 12 31586.69
4096 128 12 28351.14