# fds threads bufsize passes_per_sec
4096 1 12 24500.85
4096 2 12 28838.43
4096 4 12 32041.37
4096 8 12 33561.39
4096 16 12 35041.35
4096 32 12 34731.82
4096 64 12 33715.06
4096 128 12 29324.58