1000

FS::read_file            1829/s
FS12::read_file          1879/s

100

FS12::read_file          1943/s
FS::read_file            2047/s    

0

FS12::read_file          2036/s
FS::read_file            2074/s

after error handling moved up

1000

FS::read_file            1845/s
FS12::read_file          1896/s